DSGW-390 Mobile Charging Robot Main Controller

1.Product Introduction

1.1Product Overview

Product overview based on Rockchip RK3588J Designed for Mobile charging robot A high-performance Main control box products. DSGW-390 has an 8-core CPU, 6TOPS independent NPU computing power, strong AI capabilities, and includes rich peripheral interfaces such as USB, LVDS, HMDI, CAN, etc., fully meeting Access requirements for robot multi-sensor perception and control blocks The product meets industrial design standards and adopts metal casing and Anti-vibration interface design, applicable to Outdoor, industrial, severe vibration of the whole machine It supports flexible selection of operating systems, with Ubuntu system as standard, and can also independently run Android / Linux+RTOS fusion operating system. It is mainly used in robot scenarios that require high performance and high computing power, such as mobile charging robots and service robots.

1.2 Hardware Specifications

name	describe
Product Model	DSGW-390
CPU	RK3588J
RAM	8GB
EMMC	64GB
system	Ubuntu 20.04
Network port	1 10/100/1000Mbps Ethernet interface
USB interface	3* USB 2.0 +1* USB 3.0 Type A
USB interface	1* USB Type C
WI-FI	Wifi6, 802.11a/b/g/n/ac/ax 1200Mbps WLAN + BT v5.2
wireless	Support private Lora
Audio	Support, dual channel output
video	Support, 1 LVDS interface, 1 HDMI interface
RTC	support,
Debug interface	Support, Phoenix terminal
Cooling Solution	Support radiator
IO interface	DI,DO,AI, PWM, isolation
CAN	3-way, isolated
RS485	1-way, isolated
power supply	DC power supply voltage range 9~16VDC
Operating temperature	-40 to 85 degrees
Storage temperature	-40 to 105 degrees
PCBA Dimensions	208.3*147mm

1.3 Product Application Diagram

1.3.1 Hardware Application Block Diagram

1.3.2 System Software Block Diagram

Dusun integrates the robot main control box industry-related applications on the basis of the standard system, customizes a highly reliable operating system and industry SDK, and completes the transplantation and testing of a variety of hardware peripheral drivers that meet industry applications with many years of experience in the development and design of robot embedded motherboards. The following is the system software framework

In addition, Dongsheng can provide independent system support for various versions of Linux, such as Debian, Ubuntu, Openwrt, etc.
Dongsheng provides the robot master control box industry SDK source code that matches the motherboard, supporting customers to conduct micro-development to achieve rapid productization. Dongsheng Robot Industry SDK has the following features:
1. Streamlined operating system: On the premise of meeting industry applications, the number of components is streamlined, the system resource utilization rate is high, thereby reducing hardware costs, and to a certain extent, the functional structure is optimized, the system architecture is reasonably laid out, and the system is more efficient and easy to maintain;
2. BSP with industry attributes: According to the types of peripheral devices used in the industry, it supports multiple sensor interfaces to facilitate the connection of sensors such as cameras, lidars, IMUs, and supports multi-screen display drivers, as well as multi-channel DIO.AIO for battery management, whole-machine heat dissipation management, whole-machine thermal management, etc. It performs driver transplantation and debugging and adapts industry algorithms to meet customers’ needs for the overall hardware + algorithm solution. In addition, Dongsheng BSP driver will continue to iterate the access of peripheral devices of different brands and models.
3. Pre-installed tools and middleware: Pre-install NPU’s big data model tools (such as ONXX, etc.) and the middleware ROS/ROS2 of the robotics industry in advance, so that users can quickly transplant applications and tree models of other hardware platforms and achieve low-cost hardware platform switching.

1.3.3 Supported algorithms and peripheral hardware

1.3.3.1 Basic equipment

Peripherals	model	illustrate
fan	013102018	Support PWM speed control Support speed FG signal reading back
Water Pump	043100010	Support PWM speed control Support speed FG signal reading back
trumpet	-	8W speaker
Relay	AP24512ABDNil60
NTC	PT100
USB Camera	-	Universal UVC
External expansion USB flash drive	TinkPad/Patriot/Kingston mainstream models	Universal 3.0/2.0 USB flash drive
Advertising screen	-	HDMI standard display
Car display screen	AV123Z7M-N12 (BOE)	Size 12.3 inches, resolution 1920*720, refresh rate 60Hz,

1.3.3.2 Core Components

Core Algorithm	Matching peripheral hardware	model	illustrate
SLAM Algorithm	LiDAR+Binocular Camera+Motor	SLAMTEC Athena	Robot chassis
Face recognition algorithm	Structured light module	RMSL321	RK NN Deep Algorithm
Intelligent voice algorithm	6-microphone circular array	Can be customized according to structure	Sound pickup and noise reduction, keyword wake-up, voice wake-up
Monocular ranging algorithm	Structured light module	RMSL321	Distance and angle information of visual obstructions

Note: The above algorithms are not pre-installed in the factory firmware version. If necessary, please contact the corresponding technical window

1.3.3.3 Supported algorithm models

ROS (Robot Operating System) is pre-installed in the product SDK. As the de facto standard operating system in the field of robotics, ROS provides a wealth of tools and libraries for building complex robotic systems. Pre-installing ROS on RK3588J can greatly simplify the robot development process.

1.4 Hardware Description

RK3588J industrial-grade high-performance CPU, integrated with quad-core A76 and quad-core A55 processors, with a maximum main frequency of 2.4GHz;
G610 MP4 GPU and 6TOPS NPU, providing powerful computing power and graphics and video processing capabilities;
Support 4G LTE CAT4 (China);
Supports Wi-Fi 5 and Bluetooth 4.2;
Provide powerful computing performance and high-performance processing resources for AI edge computing;
Support industrial bus protocols such as CAN, RS485;
Supports a variety of isolated DIO and AIO interfaces;
Support private wireless protocols, such as LoRa private protocol;

1.5 Hardware Specifications

Name	Describe	External interface form	Remark
Product Model	DSGW-390
CPU	RK3588J	On the core board	The core board is mounted on the main board via four board-to-board connectors
RAM	8GB
EMMC	64GB
HDMI interface	2 HDMI ports	Externally use Type A interface
Network port	1 10/100/1000Mbps Ethernet interface	Using RJ45
USB3.0 interface	1 USB3.0 HOST interface	1-way USB 3.0 HOST uses USB 3.0 Type A female connector
USB2.0 interface	3-way USB2.0 HOST interface	3-way USB2.0 HOST uses USB2.0 Type A female connector
LTE	LTE 4G CAT4 with main antenna, diversity antenna and GPS antenna	Connect an external antenna via a BNC connector
LORA	The frequency band of Lora on the device side is 470MHz	Connect an external antenna via a BNC connector
Wifi	Wifi5, IEEE 802.11a/b/g/n/ac 433.3Mbps WLAN + BT v4.2, SDIO interface, 1 BNC antenna socket	Connect an external antenna via a BNC connector
Audio	2 speaker driver interfaces, can drive 2 8 ohm/3W speakers	External use of 2*2Pin connector
DP screen interface	Use the DP interface and multiplex it with the firmware burning interface	External use Type C female connector
LVDS screen interface	2 groups of LVDS interfaces, 4 pairs of signal lines in each group, 51Pin connector	One 51-pin socket for external use
LVDS screen touch interface	USB2.0 HOST interface, using connector	One 51-pin socket for external use
LVDS screen backlight driver interface	Use PWM to drive the brightness of the screen	One 14-pin socket for external use
LVDS screen temperature detection interface	Use NTC temperature sensor to measure the temperature of the screen	One 14-pin socket for external use
RS485	1 RS485 interface	External use of 2*4Pin connector
CAN interface	3-way CAN interface	External use of 2*4Pin connector
Digital input	3-way passive digital input interface	External use 6Pin connector
Digital output	5-channel digital output interface	External use 5Pin connector
PWM Output	2-way PWM output interface	External use 2Pin connector
External temperature detection interface	2-way NTC temperature measurement interface	External use 4Pin connector
RTC	1 real-time clock chip	No external
Debug port	1 UART interface, CMOS level, level 3.3V, 2.54mm pitch, 3Pin socket	External use 3pin socket
button	1 hard reset button
	1 RECOVERY button
	1 MASKROM button
fan	Core board cooling fan interface, 1.25mm spacing, 4Pin socket	Use within the board	Reserved fan socket
Firmware burning interface	Software program used to burn PCBA, reused with DP screen interface	External use Type C female connector
power supply	Battery powered, voltage range 9V to 12V, 60W	Powered by 2Pin connector
Operating temperature	-40 to 85 degrees
Storage temperature	-40 to 85 degrees
PCBA Dimensions	208.3*147mm

2. Installation Instructions

2.1 Packaging instructions

⚠️：This section describes the product packaging form (boxed/antistatic bag, etc.?), packaging size, unit weight, packing instructions, etc.

Product shipping box type: None.
Product shipping packaging bag type: PE flat bag.
Weight of complete stand-alone machine (excluding accessories): 1500g±10g.
Description of packing: 4 units per box, the packing box is in the form of top and bottom box + pearl cotton.

2.2 Accessories List

⚠️：This section describes the factory accessories list of the product

Product has no accessories.

2.3 Installation

⚠️：This section describes the installation method and installation precautions of the product. If the product is a complete machine, use diagrams to describe the appropriate installation method and installation steps. If the product is a PCBA, describe the fixed space and air avoidance rules, radiator installation, etc.

The product is installed by fixing it on the product with corresponding screw posts through M6 screws. Or the product can be fastened to the plate through the combination of M6 screws + M6 nuts, but it should be noted that holes that can pass the screws must be reserved on the plate.

2.4 Product Dimensions

⚠️: Use 2D wireframes to quickly describe the product dimensions. Also provide a link to download the 3D product image.

3. Hardware Instructions

3.1 Product Appearance

3.2 Product IO Interface Diagram

3.2.1 Interface Identification Diagram

3.2.2 Interface definition

Serial number	describe	Remark
1	Fan connector	Reserved core board cooling fan interface
2	Motherboard PCBA
3	Core board heat sink
4	PCBA of daughter board 1
5	PCBA of daughter board 2
K1	RECOVERY button	Not external, for debugging
K2	MASKROM button
K3	Hard reset button
J1	1 passive digital input, 3 digital outputs, 1 NTC temperature sensor input detection and 2 PWM outputs	1 passive digital input is isolated, 3 digital outputs are open collector outputs, 1 PWM interface is open collector output
J2	1 485 interface and 3 high-speed CAN interfaces, the maximum rate of CAN interface is 1Mbps	The 485 interface is non-isolated, and the 3-way CAN interface is independently isolated
J3	2-way speaker output, speaker 8 ohm/3W	1 speaker for each left and right channel
J4	2 passive digital inputs, 2 digital outputs and 1 NTC temperature sensor input detection	The 2 passive digital inputs are isolated and the 2 digital outputs are open collector outputs.
J5	Battery power supply interface, voltage range 9V to 12V
J6	Debug interface	1 UART interface, CMOS level, level 3.3V, 2.54mm pitch, 3Pin socket
LVDS-2	LVDS screen interface, 2 groups of LVDS interfaces, 4 pairs of signal lines in each group	One 51-pin socket for external use
LVDS-2	LVDS screen touch interface, USB2.0 HOST interface	One 51-pin socket for external use
LVDS-1	LVDS screen backlight driver interface, using PWM to drive the screen brightness	One 14-pin socket for external use
LVDS-1	LVDS screen temperature detection interface, using NTC temperature sensor to measure the screen temperature	One 14-pin socket for external use
ANT1	LTE 4G Main Antenna	These three antennas are derived from the LTE 4G CAT4 module, module model EC20CEFILG-128-SGNS, Quectel Communications
ANT2	LTE 4G GPS Antenna
ANT3	LTE 4G Diversity Antenna
ANT4	WIFI&BT integrated antenna
ANT5	Lora Antenna
USB1	USB2.0 HOST interface
USB2	USB2.0 HOST interface
USB3	USB2.0 HOST interface
USB5	USB3.0 HOST interface
USB6	DP screen interface, multiplexed with the firmware burning interface	External use Type C female connector
HDMI0	Connect HDMI display 0
HDMI1	Connect HDMI display 1
RJ45	10/100/1000Mbps Ethernet interface
SIM	LTE 4G SIM card interface	Micro-SIM card slot,Supports China Mobile, China Telecom and China Unicom

3.2.3 Interface Usage Description

3.2.3.1 Instructions for use of core board interface

The mainboard uses the RK3588J core board. The position of the core board on the PCBA is shown in the figure below:

The four corners in the above picture are the four columns for fixing the core board. The size parameter is M2*3.0, and the corresponding fixing screw size can be M3*6.0mm.
The core board used on this PCBA has a RAM capacity of 8GB and an EMMC capacity of 64GB.

3.2.3.2 Fan Interface Instructions

The pin sequence of the core board cooling fan interface CON2 on the PCBA is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	VCC_12V_FAN	Fan power supply	12V	Fan power supply
2	FAN_FG	Fan speed feedback signal	3.3V	This signal can detect the fan speed
3	FAN_PWM	Fan speed PWM control signal	5V	The fan speed is controlled by this PWM signal
4	GND	Signal Ground	0V

This interface is reserved. Whether to add a fan depends on the actual application.
The specifications of the fan socket CON2 are shown in the figure below:

3.2.3.3 Fan Interface Instructions

The positions of the three buttons on the motherboard on the PCBA are shown in the figure below:

K1 is the RECOVERY button, K2 is the MASKROM button, and K3 is the hard reset button.
①RECOVERY button
Press the RECOVERY button, the system enters the RECOVERY state, under the premise that no button action is performed and the system has been burned with firmware, power on and enter the system directly; if the RECOVERY mode button is pressed when the system starts, RK3588 enters the Loader burning mode, when the PC recognizes the USB device, release the RECOVERY button to burn the firmware.
②MASKROM button
MASKROM is a dedicated pin for BOOT configuration, which determines the system startup sequence. This pin cannot be used for other functions. Press the MASKROM button, power on the core board again or press the reset button to put the device into the MASKROM state.
③Hard reset button
The hard reset button signal is connected to the hardware reset pin of the core board. Press this button and the core board will reset and restart.

3.2.3.4 J1 connector interface instructions

①The pin sequence of the J1 connector is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	Digital input DI1+	Passive digital input positive	VCC5V0_SYS_ISO1	Connect the manual/automatic switch button. This signal is isolated from the system ground and signal.
2	Digital input DI1-	Passive digital input negative	0V
3	Digital output DO1+	Control KL87 relay to close and open single-side control, low-side drive	12V	Open collector output, external relay model AP24512ABDNil60, Ningbo Puzheng Auto Parts Co., Ltd., the power supply of the relay coil is the same as the input power supply of the system, the power supply voltage is 9 to 16V, the control pin is high level, the relay is energized, otherwise, it is disconnected
4	Digital output DO2+	Control thermal management relay unilateral control, low side drive	12V
5	Digital output DO3+	Control KL15 relay unilateral control, low side drive	12V
6	null
7	Analog input AI1+			Vehicle thermal management, connected to NTC thermistor
8	Analog input AI1-			Vehicle thermal management, connected to NTC thermistor
9	PWM output P1+,	The collector has a 1.5K pull-up resistor output		Vehicle thermal management, control cooling system-fan power supply ground
10	PWM output P2+,	Open collector output		Vehicle thermal management control cooling system-water pump power supply ground

②J1 board connector model: C3030WR-2x5P-G, brand: CJT, parameters are as follows:

③The line connector model corresponding to the J1 board connector is: C3030HF-2x5P, brand: CJT, parameters are as follows:

3.2.3.5 J2 connector interface instructions

①The pin sequence of the J2 connector is shown in the figure below:

Serial number	Pin Name	Pin Description	Remark
1	CAN0_H	CAN1: Chassis CAN 500kbps, no terminal resistor, reserved position	High-speed CAN interface, the 3-way CAN interface is isolated from each other, and the 3-way CAN interface is also isolated from the system ground
2	CAN0_L
3	CAN1_H	CAN2: Total CAN 500kbps, connected to 120 ohm terminal resistor
4	CAN1_L
5	CAN2_H	CAN3: Discharge CAN 250kbps, no terminal resistor, reserved position
6	CAN2_L
7	RS485-A	Connect to the lighting control board, the rate is 9600bps	Non-isolated RS485 interface, shared ground with system ground
8	RS485-B	Connect to the lighting control board, the rate is 9600bps

②J2 board connector model: C3030WR-2x4P-G, brand: CJT, parameters are as follows:

③The line-end connector model corresponding to the J2 board-end connector is: C3030HF-2x4P, brand: CJT, and the parameters are as follows:

3.2.3.6 J3 connector interface instructions

①The pin sequence of the J3 connector is shown in the figure below:

Serial number	Pin Name	Pin Description	Remark
1	SPEAK1-P	Left channel speaker 1 output positive	Speaker 8 ohm/3W
2	SPEAK1-N	Left channel speaker 1 output negative
3	SPEAK2-P	Right channel speaker 2 output positive
4	SPEAK2-N	Right channel speaker 2 output negative

②J3 board connector model: C3030WR-2x2P-G, brand: CJT, parameters are as follows:

③The line-end connector model corresponding to the J3 board-end connector is C3030HF-2x2P, and the parameters are as follows:

3.2.3.7 J4 connector interface instructions

①The pin sequence of the J4 connector is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	Digital input DI2+	Passive digital quantity 2 input positive	VCC5V0_SYS_ISO1	Connect the manual/automatic switch button. This signal is isolated from the system ground and signal.
2	Digital input DI2-	Passive digital quantity 2 input negative	0V
3	Digital input DI3+	Passive digital quantity 3 input positive	VCC5V0_SYS_ISO1
4	Digital input DI3-	Passive digital quantity 3 input negative	0V
5	Digital output DO4+	Control KL15 relay unilateral control, low side drive		Open collector output, external relay model AP24512ABDNil60, Ningbo Puzheng Auto Parts Co., Ltd., the power supply of the relay coil is the same as the input power supply of the system, the power supply voltage is 9 to 16V, the control pin is high level, the relay is energized, otherwise, it is disconnected
6	Digital output DO4+	Control KL15 relay unilateral control, low side drive
7	Analog Input AI2+			Reserved for vehicle thermal management, connected to NTC thermistor
8	Analog input AI2 -

②J4 board connector model: C3030WR-2x4P-G, brand: CJT, parameters are as follows:

③The line-end connector model corresponding to the J4 board-end connector is C3030HF-2x4P, and the parameters are as follows:

3.2.3.8 J5 connector interface instructions

①The pin sequence of the J5 connector is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	VCC	System input power positive pole		Battery powered, voltage range 9V to 12V, 60W
2	GND	System input power positive pole	0V	Battery powered, voltage range 9V to 12V, 60W

②J5 board connector model: C4201WR-2x1P, brand: CJT, parameters are as follows:

③The line-end connector model corresponding to the J5 board-end connector is: C4201HF-2x1P, brand: CJT, and the parameters are as follows:

3.2.3.9 J6 connector interface instructions

①The pin sequence of the J6 connector is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	DEBUG_RXD	UART receiving signal	3.3V	UART signal is CMOS level
2	DEBUG_TXD	UART sends signal	3.3V	UART signal is CMOS level
3	GND	Signal Ground	0V

②J6 board connector model: WJ15EDGRC-2.54-3P-1YY-00A, brand: Hangzhou Wanjie Electronics Co., Ltd., parameters are as follows:

③The line-end connector model corresponding to the J6 board-end connector is: WJ15EDGK-2.54-1P-1YY-00A, brand: Hangzhou Wanjie Electronics Co., Ltd., parameters are as follows:

3.2.3.10 USB interface instructions

The USB interface is arranged as shown in the following figure:

Serial number	Pin Name	Pin Description	Remark
USB1	USB2.0 HOST interface	Chassis CUB2 USB port	Maximum external output current 567mA
USB2	USB2.0 HOST interface	External RGBD camera	Maximum external output current 567mA
USB3	USB2.0 HOST interface	External RGBD camera	Maximum external output current 567mA
USB5	USB3.0 HOST interface, reserved	Reserved interface	Maximum external output current 1000mA

3.2.3.11 HDMI Interface Instructions

The positions of HDMI0 and HDMI1 interfaces are shown in the following figure:

Serial number	Pin Name	Pin Description	IO level	Remark
HDMI0	HDMI0 interface	Display and sound output interface		External Type A interface, external advertising screen, reserved
HDMI1	HDMI1 port	Display and sound output interface

3.2.3.12 DP screen interface instructions

The position layout of the DP screen interface is shown in the following figure:

USB6 is Type-C interface, used for DP display function. Reserved for connecting Type-C screen and touch screen.

3.2.3.13 RJ45 interface instructions

The position of the RJ45 interface is shown in the following figure:

RJ45 is an Ethernet interface that supports 10M/100M/1000Mbps rates.

3.2.3.14 SIM interface instructions

The location of the SIM interface is shown in the following figure:

The above is the installation location of the LTE 4G SIM card.Micro-SIM card slot,Supports three major operators: China Mobile, China Telecom and China Unicom. SIM card holder model: SIM-212SA-KT-A2, brand: Dongguan Hanbo Electronic Technology Co., Ltd., specifications are shown in the figure below:

3.2.3.15 LVDS touch screen interface instructions

The LVDS touch display uses two interfaces, one is a 14-pin LVDS-1 interface and the other is a 51-pin LVDS-2 interface.

3.2.3.15.1 LVDS-1 Interface Usage Instructions

①The pin sequence of the LVDS-1 interface connector is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	LVDS_GND		0V
2	LEDK4	Backlight 4th LED cathode		Each string has 8 LED lights connected in series, the typical current of each string is 95mA, and the maximum current is 100mA
3	LEDK3	Backlight 3rd LED cathode
4	LEDK2	Backlight 2nd LED cathode
5	LEDK1	Backlight 1st LED cathode
6	LVDS_GND		0V
7	LEDA	Backlight 4 strings LED anode	Typical 24V, maximum 27V
8	LEDA	Backlight 4 strings LED anode	Typical 24V, maximum 27V
9	LVDS_GND		0V
10	NCT_K	NTC Thermistors		Resistor model: NCP15XH103F0SRB
11	NCT_A
12	LVDS_GND		0V
13	VCC5V0_TP	Screen touch panel output 5V power supply	5V	External current limit 200mA
14	LVDS_GND		0V

②LVDS-1 board-side connector model: A1004WR-S-14P-G, brand: CJT, parameters are as follows:

③The line-end connector model corresponding to the LVDS-1 board-end connector is: A1004H-14P, brand: CJT, and the parameters are as follows:

3.2.3.15.2 LVDS-2 Interface Instructions

①The pin sequence of the LVDS-2 interface connector is shown in the figure below:

Serial number	Pin Name	Pin Description	IO level	Remark
1	LVDS_GND		0V
2	VCC		3.3V	Display screen power supply
3	VCC		3.3V	Display screen power supply
4	VOTP	OTP power input	3.3V	Not use: connect to VCC
5	LVDS_GND		0V
6	LVDS_GND		0V
7	USB_DP	USB2.0 data signal+		Single-ended impedance 50Ω, differential impedance 90Ω, connected to the display touch panel
8	USB_DM	USB2.0 data signal -
9	LVDS_GND		0V
10	FAULT	Abnormal status detection pin		Normal: low Abnormal : high
11	UPND	Display vertical direction selection pin
12	SHLR	Display horizontal direction selection pin
13	CSB	Chip select pin		Reserve
14	SDA	I2C Interface		Reserve
15	SCL	I2C Interface		Reserve
16	STBYB	Standby mode setting pin		Low level is effective
17	LVDS_GND
18	RESET	Hard reset pin,		Low level is effective
19	BIST	BIST function enable pin, Normal: L; BIST: H
20	LVDS_GND		0V
21	LVDS_GND		0V
22	ELV3P	LVDS even data output 3+		Single-ended impedance 50Ω, differential impedance 100Ω
23	ELV3N	LVDS even data output 3-		Single-ended impedance 50Ω, differential impedance 100Ω
24	LVDS_GND		0V
25	ELVCKP	LVDS even clock output +		Single-ended impedance 50Ω, differential impedance 100Ω
26	ELVCKN	LVDS even clock output -		Single-ended impedance 50Ω, differential impedance 100Ω
27	LVDS_GND		0V
28	ELV2P	LVDS even data output 2+		Single-ended impedance 50Ω, differential impedance 100Ω
29	ELV2N	LVDS even data output 2-		Single-ended impedance 50Ω, differential impedance 100Ω
30	LVDS_GND		0V
31	ELV1P	LVDS even data output 1+		Single-ended impedance 50Ω, differential impedance 100Ω
32	ELV1N	LVDS even data output 1-		Single-ended impedance 50Ω, differential impedance 100Ω
33	LVDS_GND		0V
34	ELV0P	LVDS even data output 0+		Single-ended impedance 50Ω, differential impedance 100Ω
35	ELV0N	LVDS even data output 0-		Single-ended impedance 50Ω, differential impedance 100Ω
36	LVDS_GND		0V
37	OLV3P	LVDS odd data output 3+		Single-ended impedance 50Ω, differential impedance 100Ω
38	OLV3N	LVDS odd data output 3-		Single-ended impedance 50Ω, differential impedance 100Ω
39	LVDS_GND		0V
40	OLVCKP	LVDS odd clock output +		Single-ended impedance 50Ω, differential impedance 100Ω
41	OLVCKN	LVDS odd clock output -		Single-ended impedance 50Ω, differential impedance 100Ω
42	LVDS_GND		0V
43	OLV2P	LVDS odd data output 2+		Single-ended impedance 50Ω, differential impedance 100Ω
44	OLV2N	LVDS odd data output 2-		Single-ended impedance 50Ω, differential impedance 100Ω
45	LVDS_GND		0V
46	OLV1P	LVDS odd data output 1+		Single-ended impedance 50Ω, differential impedance 100Ω
47	OLV1N	LVDS odd data output 1-		Single-ended impedance 50Ω, differential impedance 100Ω
48	LVDS_GND		0V
49	OLV0P	LVDS odd data output 0+		Single-ended impedance 50Ω, differential impedance 100Ω
50	OLV0N	LVDS odd data output 0-		Single-ended impedance 50Ω, differential impedance 100Ω
51	LVDS_GND		0V

②LVDS-2 board connector model: LVDS-51P-3.75H, brand: Shenzhen Xingzhao Confidential Co., Ltd., parameters are as follows:

③The line connector model corresponding to the LVDS-2 board connector: LVDS-2 adapter cable (34AWG&40AWG coaxial cable), the parameters are as follows:

③LVDS screen model:COG-VLBJT195-01, Brand: BOE, parameters are as follows:

Parameter	Specification	Unit	Remarks
Active area	292.032(H)x 109.512(V)	mm	8:03
Number of pixels	1920(H) x RGB x720(V)	pixels
Pixel pitch	0.1521(H) x0.1521 (V)	mm
Pixel arrangement	RGB horizontal stripe
Display colors	16.7M	colors
Color gamut	72%	%	TyP.
Display mode	Normally black
Module outline	301.632(W)x 124.812(H)x6.8(D)	mm	Without FPC&PCB&Component and EMI Tape
Viewing Direction(Human Eye)	U/D/L/R Min 80/80/80/80 Typ 88/88/88/88

Table 2-1 Environment Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Unit	Remarks
LCD Logic Voltage	DVDD	—	4	V	Ta=25+1-20℃
Operating Temperature(Humidity)	TOP	-30	+85	℃
Operating Temperature(Humidity)	RH	—	90	%	At 60℃
Storage Temperature(Humidity)	TST	-40	+90	℃
Storage Temperature(Humidity)	RH	—	90	%	At 600℃

Table 3-3Electrical Specifications Ta=25+/-2℃

Parameter		Symbol	Values			Unit	Remark
Parameter		Symbol	Min	TyP.	Max	Unit	Remark
TFT Logic Power	Voltage	DVDD	3.0	3.3	3.6	V
TFT Logic Power	Current	IDVDD	—	300	550	mA
Input High Voltage	Voltage	VIH	0.7*VCC	—	VCC	V
Input Low Voltage	Voltage	VIL	0	—	0.3*VCC	V
Supply current of LED backlight		Per string	—	95	100	mA	8 LED
Total Supply current of LED Backlight		ILEDTotal	—	380	400	mA	4 strings
Supply voltage of LED backlight		Per string	—	24	27	V	4 strings
LED Power consumption of		Total		9.12	10.8	W	Note2

Table 3-5 LVDS AC Characteristics

Parameter	Symbol	Value			Unit
Parameter	Symbol	Min.	TyP.	Max.	Unit
Clock frequency	RXFCLK	20	—	95	MHZ
1 data bit time	UI		1/7		TLVCYC
Clock high time	TLVCH	—	4/(7*RXFCLK)	—	UI
Clock low time	TLVCL	—	3/(7*RXFCLK)	—	UI
Position 1	TPOS1	-0.2	0	0.2	UI
Position 0	TPOS0	0.8	1	1.2	UI
Position 6	TPOS6	1.8	2	2.2	UI
Position 5	TPOS5	2.8	3	3.2	UI
Position 4	TPOS4	3.8	4	4.2	UI
Position 3	TPOS3	4.8	5	5.2	UI
Position 2	TPOS2	5.8	6	6.2	UI
Input eye width	TEYEW	0.6	—	—	UI
Input eye border	TEX	—	—	0.2	UI
LVDS wake up time	TENLVDS	—	—	150	us

Table 3-6 LVDS DC Characteristics

Parameter	Symbol	Spec.			Unit	Condition
Parameter	Symbol	Min.	TyP.	Max.	Unit	Condition
Differential input common modevoltage	Vcm	\|Vid\|/2	—	VDD-1.2-\|vid\|/2	V	—
LVDS input voltage range(signaled-end)	Vinlv	0	—	VDD-1.2	V	—
Differential input voltage	\|vid\|	0.1	—	0.6	V	—
Differential input leakage Current	\|RVXliz\|	-10	—	+10	uA	—

3.2.3.16 Antenna Interface Instructions

①The positions of the five external antennas are arranged as shown in the figure below:

Serial number	Pin Name	Corresponding antenna frequency range	Remark
ANT1	LTE 4G Main Antenna	698-960MHZ and 1700-2700MHZ	Module model EC20CEFILG-128-SGNS, Quectel Communications
ANT2	LTE 4G GPS Antenna	1555-1595MHZ
ANT3	LTE 4G Diversity Antenna	698-960MHZ and 1700-2700MHZ
ANT4	WIFI&BT integrated antenna	2400-2500MHZ and 5150-5850MHZ	Module model FCS950RACMD, Quectel Communications
ANT5	Lora Antenna	470-510MHZ	Chip model LLCC68IMLTRT, SEMTECH

②The main technical parameters of LTE 4G main antenna ANT1 and LTE 4G diversity antenna ANT3 are shown in the following figure:

Main technical parameters
Frequency Range(MHZ)	698-960MHZ 1700-2700MHZ
Impedance(Ω)	50±10
Gain(dBi)	2.5±1
ReTumLoss(dB)	≤-8
VSWR	≤3.0
Polarization	Linear Vertical
Connector Type	BNC
Physical Properties
Antenna Base	ABS
Operating Temp	-20℃-+60℃
Storage Temp	-20'C-+70℃

③The main technical parameters of LTE 4G GPS antenna ANT2 are shown in the figure below:

Main technical parameters
Frequency Range(MHZ)	1555-1595MHZ
Impedance(Ω)	50±10
Gain(dBi)	1.5±0.5
ReTumLoss(dB)	≤-10
VSWR	≤2.0
Polarization	Linear Vertical
Connector Type	BNC
Physical Properties
Antenna Base	ABS
Operating Temp	-20℃-+60℃
Storage Temp	-20'C-+70℃

④The main technical parameters of WIFI&BT integrated antenna ANT4 are shown in the figure below:

Main technical parameters
Frequency Range(MHZ)	2400-2500MHZ 5150-5850MHZ
Impedance(Ω)	50±10
Gain(dBi)	3±0.5
ReTumLoss(dB)	≤-10
VSWR	≤2.0
Polarization	Linear Vertical
Connector Type	BNC
Physical Properties
Antenna Base	ABS
Operating Temp	-20℃-+60℃
Storage Temp	-20'C-+70℃

⑤The main technical parameters of Lora antenna ANT5 are shown in the figure below:

Main technical parameters
Frequency Range(MHZ)	470-510MHZ
Impedance(Ω)	50±10
Gain(dBi)	0.5±0.5
ReTumLoss(dB)	≤-10
VSWR	≤2.5
Polarization	Linear Vertical
Connector Type	BNC
Physical Properties
Antenna Base	ABS
Operating Temp	-20℃-+60℃
Storage Temp	-20'C-+70℃

3.3 Status indicator light description

none

4. Software Instructions

4.1 Mainboard buttons and interface description

4.1.1 Button Description

Serial number	interface	illustrate
1	recovery	Press and hold the power on system to enter the loader burning mode
2	RESET	Restart
3	MASKROM	Press and hold the store system to enter the MASKROM burning mode

4.1.2 Interface Description

4.2 Debug serial port parameter settings

It is recommended to use MobaXterm to access, the recommended download address is: https://mobaxterm.mobatek.net/download-home-edition.html
The effect after the tool opens the serial port is as follows:

4.2.2 Serial port settings

l Debug serial port baud rate 1500000
18 data bits
1 stop bit
No verification
No flow control
Please note that there is no 1500000 in the serial port baud rate drop-down box. You need to enter it directly.
See the figure below for details

4.2.3 Serial port connection diagram

4.3 Firmware Burning

4.3.1 Preparation

Prepare the Materials	illustrate
Burning PC	Windows 7 and above
RKDevTool	v2.93 and above
USB type C cable

4.3.2 SDK application and download

4.3.2.1 Apply for SDK

The SDK versions of different Dusun chip platforms need to be applied to the corresponding business end respectively. For example, your company has received the SDK for RK3288, and now there is a new project that requires the SDK for RK3588. We need to contact the corresponding business end of Dusun for business confirmation, and the business end will assist in the application. After approval by Dusun auditors, the technical department can disclose information to your company.
Notice:
The SDK code management released by Dusun follows Google’s REPO method. Users are not recommended to delete the SDK’s REPO and GIT version records.

4.3.2.2 Generate server key

Enter on the server command line

				
					ssh-keygen -t rsa -C " xxxx@xxxx.com "

Keep pressing Enter and do not enter the task characters;
After generating the key, email the ~/.ssh/id_rsa.pub file to Dusun

4.3.2.3 Git Configuration

Enter on the server command line

				
					git config --global user.email " You@example.com "
git config --global user.name "Your Name"

4.3.2.4 SDK Download

Download the repo

				
					git clone ssh:// git@roombanker.x3322.net :2223/dusun_repo.git

Add environment variables

				
					sudo cp -f ~/work/dusun_repo/repo /usr/bin/repo
sudo chmod +x /usr/bin/repo

Get the code

				
					mkdir -p ~/work/project/dev
cd ~/work/project/dev
repo init -u ssh:// git@roombanker.x3322.net :2223/rk3588_linux_rt/manifests_first.git -m rk3588_linux.xml -b dev --no-repo-verify
repo sync -c -j8
repo start master --all

4.3.3 Download the burning software tool

4.3.3.1 Download PC flash tool

Flashing tool link, the installation package is located below the source code library

				
					tools/windows/RKDevTool_Release_v3.31.zip

4.3.3.2. PC driver download

The computer needs to install the adb USB driver, the installation package is located below the source code library

				
					tools/windows/DriverAssitant_v5.13.zip

4.3.4 Solid Zen Dao Burning

4.3.4.1 Flash connection diagram

4.3.4.2 Flashing steps

Connect the development board typec to the computer, open RKTool, and install the tool driver
Press and hold the recovery/MASKROM/USB_KET button, then power on.
Start burning

4.4 SDK Introduction

4.4.1. Compile Commands

				
					#Compile all
RK_ROOTFS_SYSTEM=debian ./build.sh  
# Compile kernel separately
RK_ROOTFS_SYSTEM=debian ./build.sh kernel

4.4.2 Compilation Products

Use update.img for the flash package to generate the firmware location

				
					output/update/Image/update.img

4.4.3 Commonly used interfaces

4.4.3.1 Wifi

Run “ds_conf_ap.sh”, the script starts the Wi-Fi AP.
SSID: “dsap”. PWD: “12345678”

				
					#ds_conf_ap.sh
192.168.10.1
start hostapd
Configuration file: /etc/hostapd.conf
wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE
start dnsmasq
Stopping dnsmasq: OK
Starting dnsmasq: OK Done!!!!!!
#
#
# iwconfig
lo	no wireless extensions.

wlan0 IEEE 802.11an ESSID:"dsap" Nickname:"<WIFI@REALTEK>"        
    Mode:Master Frequency:5.745 GHz Access Point: 20:57:9E:8B:70:F5
    Bit Rate:72.2 Mb/s Sensitivity:0/0
    Retry:off RTS thr:off Fragment thr:off
    Encryption key:off
    Power Management:off
    Link Quality=1/100 Signal level=1/100 Noise level=0/100
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth0	no wireless extensions.
#
# ifconfig
eth0	Link encap:Ethernet HWaddr 0A:11:D3:88:1E:B5
    inet addr:192.168.1.4 Bcast:192.168.1.255 Mask:255.255.255.0
    inet6 addr: fe80::811:d3ff:fe88:1eb5/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:73386 errors:0 dropped:0 overruns:0 frame:0
    TX packets:52722 errors:0 dropped:0 overruns:0 carrier:0    
    collisions:0 txqueuelen:1000
    RX bytes:64535523 (61.5 MiB) TX bytes:4975499 (4.7 MiB)
    Interrupt:40

lo	Link encap:Local Loopback
    inet addr:127.0.0.1 Mask:255.0.0.0
    inet6 addr: ::1/128 Scope:Host
    UP LOOPBACK RUNNING MTU:65536 Metric:1

4.4.3.2 Ethernet

				
					root@DUSUN:~# ifconfig eth0
    eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
    inet 192.168.124.22 netmask 255.255.255.0broadcast 192.168.124.255
    inet6 fe80::fcef:8eff:fe73:7e62 prefixlen 64 scopeid 0x20<link>
    ether fe:ef:8e:73:7e:62 txqueuelen 1000(Ethernet)
    RX packets 252 bytes 71409 (71.4 KB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 278 bytes 42041 (42.0 KB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
    device interrupt 80

4.4.3.3 LTE

Run bg96_dial.sh

				
					# ifconfig eth0 down
#
# bg96_dial.sh

AT+CPIN?
+CPIN: READY
OK AT+CSQ
+CSQ: 31,99

OK

sent [IPCP ConfAck id=0x1]
rcvd [IPCP ConfNak id=0x3 <addr 172.28.36.150> <ms-dns1 221.131.143.69> <ms-dns2 112.4.0.55>]
sent [IPCP ConfReq id=0x4 <addr 172.28.36.150> <ms-dns1 221.131.143.69> <ms-dns2 112.4.0.55>]
rcvd [IPCP ConfAck id=0x4 <addr 172.28.36.150> <ms-dns1 221.131.143.69> <ms-dns2 112.4.0.55>]
Could not determine remote IP address: defaulting to 10.64.64.64 local IP address 172.28.36.150
remote IP address 10.64.64.64 primary   
DNS address 221.131.143.69
secondary DNS address 112.4.0.55<===== after connected,type Ctrl+Z

^Z[1]+ Stopped    bg96_dial.sh
#
# ifconfig
    lo	Link encap:Local Loopback
    inet addr:127.0.0.1 Mask:255.0.0.0
    inet6 addr: ::1/128 Scope:Host
    UP LOOPBACK RUNNING MTU:65536 Metric:1
    RX packets:131 errors:0 dropped:0 overruns:0 frame:0
    TX packets:131 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1
    RX bytes:12350 (12.0 KiB) TX bytes:12350 (12.0 KiB)

ppp0	Link encap:Point-to-Point Protocol
    inet addr:172.28.36.150 PtP:10.64.64.64 Mask:255.255.255.255
    UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
    RX packets:6 errors:0 dropped:0 overruns:0 frame:0
    TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:3
    RX bytes:96 (96.0 B) TX bytes:114 (114.0 B)
    
wlan0 Link encap:Ethernet HWaddr 20:57:9E:8B:70:F5
    inet addr:192.168.10.1 Bcast:0.0.0.0 Mask:255.255.255.0
    inet6 addr: fe80::2257:9eff:fe8b:70f5/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:33387 errors:0 dropped:0 overruns:0 frame:0  
    TX packets:56331 errors:0 dropped:636 overruns:0 carrier:0    
    collisions:0 txqueuelen:1000
    RX bytes:5077398 (4.8 MiB) TX bytes:78164665 (74.5 MiB)
#
# ping www.baidu.com
PING www.baidu.com (36.152.44.96): 56 data bytes
64 bytes from 36.152.44.96: seq=0 ttl=56 time=317.025 ms

4.4.3.4 Button

				
					#enter
dig_in1: cat /sys/class/gpio/gpio153/value (the value will change when the key is pressed)
dig_in2: cat /sys/class/gpio/gpio508/value (the value will change when the key is pressed)
dig_in3: cat /sys/class/gpio/gpio507/value (the value will change when the key is pressed)
#Output
dig_out1: echo 1 > /sys/class/gpio/gpio122/value (output high level)
	      echo 0 > /sys/class/gpio/gpio122/value (output low level)
dig_out2: echo 1 > /sys/class/gpio/gpio102/value (output high level)
	      echo 0 > /sys/class/gpio/gpio102/value (output low level)
dig_out3: echo 1 > /sys/class/gpio/gpio131/value (output high level)
	      echo 0 > /sys/class/gpio/gpio131/value (output low level)
dig_out4: echo 1 > /sys/class/gpio/gpio112/value (output high level)
	      echo 0 > /sys/class/gpio/gpio112/value (output low level)
dig_out5: echo 1 > /sys/class/gpio/gpio124/value (output high level)
	      echo 0 > /sys/class/gpio/gpio124/value (output low level)

4.4.3.5 Audio

				
					root@DUSUN:~# aplay /path/audio file

#Volume adjustment command
alsamixer

#Amplifier
aw87565

4.4.3.6 485

458 port name, /dev/ttyS5

4.4.3.7 ADC

				
					#temp_ntc2
cat /sys/bus/iio/devices/iio\:device0/in_voltage_raw  
#temp_ntc1
cat /sys/bus/iio/devices/iio\:device0/in_voltage_raw  
#power、display
cat /sys/bus/iio/devices/iio\:device2/in_voltage*

4.4.3.8 PWM

				
					#fan
echo 0 > /sys/class/pwm/pwmchip1/export   
echo 1000000 > /sys/class/pwm/pwmchip1/pwm0/period
echo 500000 > /sys/class/pwm/pwmchip1/pwm0/duty_cycle
echo 1 > /sys/class/pwm/pwmchip1/pwm0/enable

#Water Pump
echo 0 > /sys/class/pwm/pwmchip2/export   
echo 1000000 > /sys/class/pwm/pwmchip2/pwm0/period
echo 500000 > /sys/class/pwm/pwmchip2/pwm0/duty_cycle
echo 1 > /sys/class/pwm/pwmchip2/pwm0/enable

4.4.3.9 CAN

				
					#ifconfig can0 down

#Configure CAN frequency 500khz
#ip link set can0 type can bitrate 500000 loopback off
#ip link set can0 up

#View the can node information after configuration;
#ip -details link show can0  

#canreceive
#./candump can0 #Block receiving, print r if there is information received

#can send:
#./cansend can0 123#112233445566 #This test program sends a maximum of 8 bytes of data at a time;

5. Relevant standards and certifications

5.1 Hazardous Substance Standards

5.1.1 ROHS

Chinese Standard: GB/T 26572-2011
EU Standard: Directive 2011/65/EU
Remark:The components used in current products comply with ROHS standards

5.1.2 REACH

EU Standard: EU Regulation (EC) No 1907/2006 (REACH)
Remark:The components used in the current products comply with REACH standards

5.2 Anti-vibration standard STA-2A

5.2.1 Vibration Standards

1	Random vibration test	1. Place 3 noodles on the platform for 30 minutes. 2. Place Noodle 1 on the platform for 10 minutes. 3. Place side 2 or side 4 on the platform for 10 minutes. 4. Place surface 5 or 6 on the platform for 10 minutes. 5. Frequency: 1…4…100…200 6. PSD: 0.0001…0.01…0.01…0.0001	There is no obvious damage to the box after the random vibration test
2	Fixed displacement test	Displacement: 25 mm Displacement times: 14200 ci	There is no obvious damage to the box after the displacement test
3	Sinusoidal vibration test (packaging)		1. The appearance, function and performance of the equipment under test meet the specifications of the relevant standards without obvious changes, and the functions of the equipment meet the requirements of Table 2. 2. Minor surface damage (such as scratches, nicks, etc.) of the sample meets the requirements. 3. Some parts of the sample (such as connectors) are allowed to have slight deformation, but this deformation cannot affect the mechanical and electrical properties of the device.
4	Sinusoidal vibration test (bare metal)		1. The appearance, function and performance of the equipment under test meet the specifications of the relevant standards without obvious changes, and the functions of the equipment meet the requirements of Table 2. 2. Minor surface damage (such as scratches, nicks, etc.) of the sample meets the requirements. 3. Some parts of the sample (such as connectors) are allowed to have slight deformation, but this deformation cannot affect the mechanical and electrical properties of the device.

5.2.2 Drop Standard

1	Package drop test	1. Wt< 10 Kg, drop 97 cm, 2. Wt:10 ~ 19 Kg, drop 81 cm, 3. 19 ~ 28 Kg, drop 66 cm, 4. Test standard: one corner, three sides, six faces, ten drops in total.	There is no obvious damage to the box after the drop test
2	Bare metal drop	1. Sample with normal function, no power supply 2. Drop mode: 6 sides, the drop sides are bottom, front, left, right, back and front in order; 3. Drop height a) Excluding display screen and optical engine products Free fall from a height of 100 cm onto a wooden floor no less than 3 cm thick b) Products containing display screens and optical engines Free fall from a height of 80cm onto a wooden floor no less than 3cm thick	1. The appearance, function and performance of the equipment under test meet the specifications of the relevant standards without obvious changes, and the functions of the equipment meet the requirements of Table 2. 2. Minor surface damage (such as scratches, nicks, etc.) of the sample meets the requirements. 3. Some parts of the sample (such as connectors) are allowed to have slight deformation, but this deformation cannot affect the mechanical and electrical properties of the device.
3	Drop (Packaging)		1. The appearance, function and performance of the equipment under test meet the specifications of the relevant standards without obvious changes, and the functions of the equipment meet the requirements of Table 2. 2. Minor surface damage (such as scratches, nicks, etc.) of the sample meets the requirements. 3. Some parts of the sample (such as connectors) are allowed to have slight deformation, but this deformation cannot affect the mechanical and electrical properties of the device.

5.2.3 Impact standards

1	Impact test	1. Impact spectrum: half sine, duration: 11 milliseconds 2. Acceleration: 30m/s2, impact direction: 6 sides 3. Test duration: 6 sides, 3 impacts per side	1. Calculate the test pressure value x1.4 2. Calculation of test pressure 3. Test load 4. The appearance, function and performance of the equipment under test meet the specifications of the relevant standards without obvious changes, and the functions of the equipment meet the requirements of Table 2. 5. Minor surface damage (such as scratches, nicks, etc.) of the sample meets the requirements. 6. Some parts of the sample (such as connectors) are allowed to have slight deformation, but this deformation cannot affect the mechanical and electrical properties of the device.

5.3 EMC implementation standards

EU standards: EN55032:2015+A11:2020/EN55035:2017+A11:2020/ETSI EN 301489-1 V2.2.3(2019-11)/ETSI EN 301489-X
Chinese Standard: GB/T 26572-2011
Note: The current product is designed strictly in accordance with EMC standards

5.4 Authentication Support

5.3.1 Proxy Client Authentication

The customer only needs to provide the application company information, and Dongsheng will be responsible for all the certification processes
The certification process is shown in the following example (CE certification):

5.3.2 Customer Self-Authentication

① Dongsheng provides certification related materials, the list of materials is as follows (contact the project leader, who will coordinate and organize the materials):

BOM list (all in English)
Body Label
Block diagram
Parts placement
PCB layout
Schematic diagram SCH
User manual
Antenna Specifications
List of key safety components (with safety component certificates, such as relays, fuses, terminal blocks, etc.)
PCB-UL certificate

② Dongsheng provides certification technical support (fixed frequency, safety regulations, EMC)
Contact the project leader, who will coordinate with relevant technical personnel to provide technical support.

6. Order

6.1 Model Description

⚠️：Order sub-model and corresponding product description

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DSGW-390 Mobile Charging Robot Main Controller

1.Product Introduction

2. Installation Instructions

3. Hardware Instructions

4. Software Instructions

5. Relevant standards and certifications

6. Order

MIR-TE100 Zigbee Temperature & Humidity Sensor

DSGW-560 Oil storage explosion-proof gateway

DSGW-090-Caregiving Nursing Bed IoT Gateway

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