1 Hardware Manual

This chapter introduces the product overview, packing list, appearance, button, indicator and interfaces.

1.1 Overview

ED-SBC2300 series is a Mini-ITX industrial single board computer based on Raspberry Pi CM4. According to different application scenarios and user needs, different specifications of RAM and eMMC computer systems can be selected.

  • Options for 1GB, 2GB, 4GB and 8GB RAM
  • Options for 8GB, 16GB and 32GB eMMC storage

ED-SBC2300 series provides common interfaces such as HDMI, USB, Ethernet, RS232 and RS485, and supports access to the network through Wi-Fi, Ethernet and 4G. It supports Micro SD Card and mSATA SSD storage expansion, integrates RTC, EEPROM and encryption chip, and provides ease of use and security of products, which are mainly used in industrial control and IOT.

ED-SBC2300 series includes:

  • ED-SBC2310
  • ED-SBC2311
  • ED-SBC2320
  • ED-SBC2321

And the corresponding main configurations are as follows.

ModelConfiguration
ED-SBC23101 x 1000M Ethernet, 2 x USB 2.0, 2 x USB 3.0
ED-SBC23112 x 1000M Ethernet, 2 x USB 3.0
ED-SBC23201 x 1000M Ethernet, 2 x USB 2.0, 2 x USB 3.0, 1 x LVDS display port, Audio, Speaker
ED-SBC23212 x 1000M Ethernet, 2 x USB 3.0, 1 x LVDS display port, Audio, Speaker
ED-SBC2300-0

1.2 Packing List

  • 1x ED-SBC2300 Unit

1.3 Appearance

Introduce the functions and definitions of interfaces on each panel.

1.3.1 Panel Interface

Introduce panel interface types and definitions.

  • Panel of Single Ethernet Port -ED-SBC2310：

    ED-SBC2300-3

  • Panel of Single Ethernet Port-ED-SBC2320：

ED-SBC2300-1

  • Panel of Dual Ethernet Port-ED-SBC2311：

    ED-SBC2300-4

  • Panel of Dual Ethernet Port-ED-SBC2321：

ED-SBC2300-2
NO.Function Definition
11 x DC input, DC Jack connector (2-Pin 3.5mm pitch phoenix terminal is optional), supporting 9V~36V input.
21 x HDMI port, type A connector, which is compatibles with HDMI 2.0 standard and supports 4K 60Hz.
31 x RS232, DB9 male connector, single board debug serial port for debugging.
42 x USB 3.0, double-layer type-A connector, each channel supports up to 5Gbps transmission rate.
5Choose one between 2 x USB 2.0 ports and 1 x 1000M Ethernet port.
  • 2 x USB 2.0, double-layer type-A connector, each channel supports up to 480Mbps transmission rate.
  • 1 x adaptive 10/100/1000M ethernet port, RJ45 connector.
It can be used to access the network. Different configurations correspond to different product models:
  • ED-SBC2310：2 x USB 2.0
  • ED-SBC2311：1 x 1000M Ethernet
  • ED-SBC2320：2 x USB2.0
  • ED-SBC2321：1 x 1000M Ethernet
61 x adaptive 10/100/1000M ethernet port, RJ45 connector. It can be used to access the network. PoE can be supported through optional expansion module. The maximum power of PoE is 60W and it is compatible with IEEE 802.3bt standard.
71 x LINE Output, 3.5mm audio jack connector (green), stereo audio output.
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
81 x MIC Input, 3.5mm audio jack connector (red), which can connect to microphone.
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.

1.3.1.1 Power Supply

ED-SBC2300 series single-board include 1 power input, DC Jack connector (DC 5.5x2.5 socket) is used by default, optional 2-Pin 3.5mm pitch phoenix terminal is available to support 9V~36V input, the pin definition is as follows.

image-20240702161949607.pngPin IDPin Name
19V~36V
2GND

1.3.1.2 HDMI

ED-SBC2300 series single-board include one HDMI interface, standard type-A connector. It supports connecting HDMI monitor and maximum 4Kp60 video output.

1.3.1.3 COM

ED-SBC2300 series single-board includes one COM interface and DB9 male connector, which is the debugging serial port of single board by default for debugging.

Pin Definition

Pins are defined as follows:

image-20240702165814722.pngPin IDPin Name
1NC
2DB9_RS232_RX
3DB9_RS232_TX
4NC
5GND
6~9NC

The pin names of the RS232 interface corresponding to CM4 are as follows:

SignalCM4 GPIO NameCM4 Pin Out
DB9_RS232_RXGPIO15CM4_UART_RXD0
DB9_RS232_TXGPIO14CM4_UART_TXD0

1.3.1.4 USB 3.0

ED-SBC2300 series single-board includes 2 USB 3.0 interfaces and double-layer standard type-A connectors. It supports the connection of standard USB 3.0 peripherals, and supports the maximum transmission rate of 5Gbps.

1.3.1.5 USB 2.0

ED-SBC2300 series single-board includes 2 USB 2.0 interfaces and double-layer standard type-A connectors. It supports the connection of standard USB 2.0 peripherals, and supports the maximum transmission rate of 480Mbps.

TIP

Only ED-SBC2320 and ED-SBC2321 contains this interface.

1.3.1.6 1000M Ethernet（ETH1）

TIP

Only ED-SBC2320 and ED-SBC2321 contains this interface.

ED-SBC2300 series single-board include 1 adaptive 10/100/1000M Ethernet interface (converted from 2 x USB 2.0 to a network port), using RJ45 connector, and it is recommended to use Cat6 and above specification network cable with it when accessing Ethernet. The corresponding pin definitions of the terminals are as follows:

RJ45.pngPin IDPin Name
1TX1+
2TX1-
3TX2+
4TX2-
5TX3+
6TX3-
7TX4+
8TX4-

1.3.1.7 1000M Ethernet（ETH0）

ED-SBC2300 series single-board include 1 adaptive 10/100/1000M Ethernet interface, using RJ45 terminals, with the expansion module can support PoE power supply, when accessing Ethernet, it is recommended to use Cat6 and above specifications of the network cable to work with. The corresponding pin definitions of the terminals are as follows:

RJ45.pngPin IDPin Name
1TX1+
2TX1-
3TX2+
4TX2-
5TX3+
6TX3-
7TX4+
8TX4-

1.3.1.8 LINE OUT

The ED-SBC2300 series single-board include 1 audio output that supports stereo output using a green 3.5mm audio connector.

TIP

Only ED-SBC2320 and ED-SBC2321 contains this interface.

1.3.1.9 MIC IN

The ED-SBC2300 series single-board include 1 MIC input that supports microphone input using a red 3.5mm audio connector.

TIP

Only ED-SBC2320 and ED-SBC2321 contains this interface.

1.3.2 Extended Interface

Introduces extended interface types and definitions.

ED-SBC2300-02-2
NO.Function Definition
11 x Power IN, 2-Pin 5mm pitch connector, reserved power input port, supporting 9V~36V input. The signals are defined as DC IN/GND
21 x LVDS Screen Voltage Control port，3x2-Pin 2.54mm pitch pin header，by choosing to connect different pins to set different power supply voltages, which can meet the power needs of various LVDS screens
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
31 x LVDS display port, 2 x 15-Pin 2.54mm pitch pin header, expandable to connect LVDS display, resolution support up to 1080p 60Hz
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
41 x LVDS output resolution adjustment port, 3x4-Pin 2.0mm pitch pin header, supporting software setting of pin level to adapt to different screen sizes and specifications
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
51 x LVDS screen brightness control port, 4-Pin 2.0mm pitch WTB connector, by choosing to connect different pins to control LVDS screen brightness.
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
61 x Backlight Control port, 6-Pin 2.0mm Pitch WTB Connector, Integrated On-Board Backlight Driver Circuitry and Supports Backlight Brightness Switching and Adjustment
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
71 x RPI_BOOT port, 3-Pin 2.54mm pitch pin header, which can make the single board enter RPI BOOT mode by shorting 2 pins.
81 x Backlight power port, 6-Pin 2.0mm pitch WTB connector for 12V backlight power, PWM backlight enable and PWM backlight adjustment channels
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.
91 x RTC battery base, supporting the installation of CR2032 button cell.
101 x Micro SD card slot, which supports the installation of SD card and is used to store user data.
111 x GPIO Pin Header, 2x3-Pin 2.54mm pitch pin header, used to lead out the extended GPIO.
122 x RS232, 2x5(9)-Pin 2.54mm pitch pin header, used to expand serial port.
132 x RS232, 2x5(9)-Pin 2.54mm pitch pin header, used to expand serial port.
141 x Auto-boot after powering on port，3-Pin 2.54mm pitch pin header，by choosing to connect different pins to enable/disable this function.
151 x Front panel port, 2 x 5-Pin 2.54mm pitch pin header for extended connectivity to power button, reset button, HDD indicator and power indicator
162 x RS232, 2x5(9)-Pin 2.54mm pitch pin header, used to expand serial port.
172 x RS485, 2x2-Pin 2.54mm pitch pin header, used to expand RS485 port.
182 x RS485 terminal resistor port, 2-Pin 2.54mm pitch pin header, insert jumper cap to enable the terminal resistor
191 x PCIe port, support optional 4G module for 4G function. The location where the module is mounted contains a Nano SIM slot for the SIM card that acquires the 4G signal.
203 x USB 2.0 or 5 x USB 2.0, different quantities correspond to different product models.
  • ED-SBC2310：3 x USB 2.0 (including FUSB1 and FUSB3)
  • ED-SBC2311：5 x USB 2.0 (including FUSB1、FUSB2 and FUSB3)
  • ED-SBC2320：3 x USB 2.0 (including FUSB1 and FUSB3)
  • ED-SBC2321：5 x USB 2.0 (including FUSB1、FUSB2 and FUSB3)
211 x Passive Cooler (optional) for single board cooling.
221 x mSATA port, Mini PCIe connector for external mSATA hard drives.
231 x power amplifier output, 4-Pin 2.0mm WTB connector, dual-channel stereo output.
Note: Only ED-SBC2320 and ED-SBC2321 contains this interface.

1.3.2.1 Power Supply

ED-SBC2300 series single-board include an extended power input port, 2-Pin 5.0mm pitch connector, reserved for single-board power supply, supporting 9V~36V input. The pin definitions are as follows:

image-20240703154301329.pngPosition SilkscreenPin IDPin Name
J4719V~36V
2GND

1.3.2.2 Micro SD Slot

ED-SBC2300 series single-board integrates a Micro SD card slot, which supports the installation of SD card for storing user data.

ED-SBC2300-SD card slot.pngPosition Silkscreen
J6

1.3.2.3 RTC Battery Base

ED-SBC2300 series single-board integrates a RTC battery base, supports the installation of CR2032 button cell, and ensures that the system has an uninterrupted and reliable clock.

TIP

International logistics does not support the transportation of batteries, and some ex-factory equipment is not equipped with CR2032 batteries. Therefore, before using RTC, please prepare a CR2032 button cell and install it on the motherboard.

1.3.2.4 RS232

ED-SBC2300 series single-board includes 6 extended RS232 interfaces (JCOM1 ~ JCOM6) and standard JCOM pins with 2x5(9)-Pin 2.54mm pitch, which are used to extend RS232 interfaces. The pins of JCOM1 ~ JCOM6 are defined as follows:

JCOM1Position SilkscreenPin IDPin Name
image-1.pngJ81NC
2COM1_RS232_RX
3COM1_RS232_TX
4NC
5GND
6NC
7COM1_RS232_RTS
8COM1_RS232_CTS
9NC
JCOM2Position SilkscreenPin IDPin Name
image-1.pngJ91NC
2COM2_RS232_RX
3COM2_RS232_TX
4NC
5GND
6NC
7COM2_RS232_RTS
8COM2_RS232_CTS
9NC
JCOM3Position SilkscreenPin IDPin Name
image-1.pngJ101NC
2COM3_RS232_RX
3COM3_RS232_TX
4NC
5GND
6NC
7COM3_RS232_RTS
8COM3_RS232_CTS
9NC
JCOM4Position SilkscreenPin IDPin Name
image-1.pngJ111NC
2COM4_RS232_RX
3COM4_RS232_TX
4NC
5GND
6NC
7COM4_RS232_RTS
8COM4_RS232_CTS
9NC
JCOM5Position SilkscreenPin IDPin Name
image-1.pngJ121NC
2COM5_RS232_RX
3COM5_RS232_TX
4NC
5GND
6NC
7COM5_RS232_RTS
8COM5_RS232_CTS
9NC
JCOM6Position SilkscreenPin IDPin Name
image-1.pngJ131NC
2COM6_RS232_RX
3COM6_RS232_TX
4NC
5GND
6NC
7COM6_RS232_RTS
8COM6_RS232_CTS
9NC

The CM4 pin names corresponding to the RS232 interfaces (COM1~COM2) are as follows:

SignalCM4 GPIO NameCM4 Pin Out
COM1_RS232_RXGPIO1CM4_UART_RXD2
COM1_RS232_TXGPIO0CM4_UART_TXD2
COM2_RS232_RXGPIO5CM4_UART_RXD3
COM2_RS232_TXGPIO4CM4_UART_TXD3

The SPI pin names corresponding to the RS232 interfaces (COM3~COM6) are as follows:

SignalSPI Pin Out
COM3_RS232_RXSPI_UART_RXD1
COM3_RS232_TXSPI_UART_TXD1
COM4_RS232_RXSPI_UART_RXD2
COM4_RS232_TXSPI_UART_TXD2
COM5_RS232_RXSPI_UART_RXD3
COM5_RS232_TXSPI_UART_TXD3
COM6_RS232_RXSPI_UART_RXD4
COM6_RS232_TXSPI_UART_TXD4

Connecting Cables

Schematic diagram of RS232 wires is as follows:

./images/image-20240702171043444

1.3.2.5 RS485

ED-SBC2300 series single-board includes two expanded RS485 interfaces (RS485_1 ~ RS485_2) and standard pins with 2x2-Pin 2.54mm pitch, which are used to expand RS485 ports. The pins of RS485-1 ~ RS485-2 are defined as follows:

RS485_1Position SilkscreenPin IDPin Name
image-20240704141535176.pngJ161RS485_1_B
2RS485_1_A
3GND
4GND
RS485_2Position SilkscreenPin IDPin Name
image-20240704141535176.pngJ171RS485_2_B
2RS485_2_A
3GND
4GND

he pin names of the RS485 interface corresponding to CM4 are as follows:

SignalCM4 GPIO NameCM4 Pin Out
RS485_1_AGPIO12CM4_UART5_TXD
RS485_2_AGPIO8CM4_UART4_TXD
RS485_1_BGPIO13CM4_UART5_RXD
RS485_2_BGPIO9CM4_UART4_RXD

Connecting Cables

Schematic diagram of RS485 wires is as follows:

image-20240704142847337

RS485 Terminal Resistor Configuration

ED-SBC2300 series single-board includes two RS485 interfaces. A jumper resistor of 120R is reserved between A and B of RS485 line, which can be enabled by inserting jumper cap. By default, the jumper cap is not connected, and the function of 120R termination resistor is invalid. The positions and pins of the two jumper resistors in PCBA are defined as follows.

TIP

J14 position corresponds to the terminal resistor of RS485_1(J16), and J15 position corresponds to the terminal resistor of RS485_2(J17).

RS485_1 120R ENPosition SilkscreenPin IDPin Name
image-20240704143518543.pngJ141RS485_1 120R_1
2RS485_1 120R_2
RS485_2 120R ENPosition SilkscreenPin IDPin Name
image-20240704143518543.pngJ151RS485_2 120R_1
2RS485_2 120R_2

1.3.2.6 USB 2.0

The ED-SBC2300 series single-board includes 3 or 5 expanded USB 2.0 interfaces (FUSB1 ~ FUSB3) and 5-Pin or 2x5(9)-Pin 2.54mm pitch standard pin header for expanding USB 2.0 interfaces.

Different quantities correspond to different product models.

  • ED-SBC2310：3 x USB 2.0 (including FUSB1 and FUSB3)
  • ED-SBC2311：5 x USB 2.0 (including FUSB1、FUSB2 and FUSB3)
  • ED-SBC2320：3 x USB 2.0 (including FUSB1 and FUSB3)
  • ED-SBC2321：5 x USB 2.0 (including FUSB1、FUSB2 and FUSB3)

FUSB1 ~ FUSB3 pins are defined as follows：

FUSB1Position SilkscreenPin IDPin Name
image-6.pngJ191VBUS_A
2VBUS_A
3USB_DM1
4USB_DM2
5USB_DP1
6USB_DP2
7GND
8GND
9NC
FUSB2Position SilkscreenPin IDPin Name
image-6.pngJ201VBUS_A
2VBUS_A
3USB_DM3
4USB_DM4
5USB_DP3
6USB_DP4
7GND
8GND
9NC
FUSB3Position SilkscreenPin IDPin Name
image-20240704152611631.pngJ211VBUS_A
2USB_DM5
3USB_DP5
4GND
5NC

1.3.2.7 4G Module

ED-SBC2300 series single-board includes a 4G module interface, mini PCIe connector, which supports connecting optional 4G modules to realize 4G functions. If the 4G module is selected, there is a Nano SIM card slot below the module for installing the SIM card for acquiring 4G signals.

1.3.2.8 mSATA

ED-SBC2300 series single-board include a mSATA interface, Mini PCIe connector for external mSATA hard drive.

1.3.2.9 Speaker

The ED-SBC2300 series single-board contains one extended Speaker output, 4-Pin 2.0mm pitch WTB connector, dual-channel stereo outputs for extended connection of two 4Ω 3W stereo speakers, with pinouts defined below:

image-20240704154047915.pngPosition SilkscreenPin IDPin Name
J221SPK_L_N
2SPK_L_P
3SPK_R_N
4SPK_R_P

1.3.2.10 Passive Cooler (optional)

ED-SBC2300 series single-board have pre-drilled screw holes for mounting passive cooler and support optional passive cooler.

ED-SBC2300-cooler

1.3.2.11 RPI_BOOT

The ED-SBC2300 series single-board contain one extended RPI_BOOT interface, 3-Pin 2.54mm pitch pin header with the following pin definitions:

image-20240704114745310.pngPosition SilkscreenPin IDPin Name
J4413V3_EXT
2JMP_RPI_BOOT_EN_L
3GND

You can make the single board enter RPI BOOT mode by shorting Pin 2 and Pin 3, and then re-energizing.

1.3.2.12 Auto-boot after powering on

ED-SBC2300 series single-board includes one extended automatic power-on function interface, with 3-Pin 2.54mm pitch pin header, and the pins are defined as follows:

image-20240704114745310.pngPosition SilkscreenPin IDPin Name
J4013V3_STB
2JMP_AUTO_PWRON
3GND
The automatic power-on function can be enabled by shorting Pin 2 and Pin 3.

1.3.2.13 Front Panel

ED-SBC2300 series single-board include one extended front panel interface, 2x5-Pin 2.54mm pitch pin header for expanding the connection of power button, reset button, HDD indicator and power indicator, the pin definition is as follows:

image-6.pngPosition SilkscreenPin IDPin Name
J411HDD_LED_P
2PWR_LED_P
3HDD_LED_N
4PWR_LED_N
5RST_BTN_N
6PWR_SW_N
7RST_BTN_P
8PWR_SW_P
9NC

1.3.2.14 GPIO Pin Header

ED-SBC2300 series single-board contain one GPIO Pin Header, 2x3-Pin 2.54mm pitch pin header, which is used to lead out the extended GPIO. The pins are defined as follows:

image-20240703174608660.pngPosition SilkscreenPin IDPin Name
J3913V3_EXT
2GND
3EXT_GPIO1
4EXT_GPIO3
5EXT_GPIO2
6EXT_GPIO4

1.3.2.15 LVDS Output & Configuration

The ED-SBC2300 series single-board include one extended LVDS output, 2x15-Pin 2.54mm pitch pin header, which can be extended to connect LVDS displays, and the resolution can support up to 1080p 60Hz. The specific pin definitions are as follows:

LVDS Output

image-20240703171729144.pngPosition SilkscreenPin IDPin NamePin IDPin Name
J451PANEL_VCC2PANEL_VCC
3PANEL_VCC4GND
5GND6GND
7DP_TXA0N8DP_TXA0P
9DP_TXA1N10DP_TXA1P
11DP_TXA2N12DP_TXA2P
13GND14GND
15DP_TXACN16DP_TXACP
17DP_TXA3N18DP_TXA3P
19DP_TXB0N20DP_TXB0P
21DP_TXB1N22DP_TXB1P
23DP_TXB2N24DP_TXB2P
25GND26GND
27DP_TXACN28DP_TXACP
29DP_TXB3N30DP_TXB3P

TIP

Only the ED-SBC2320 and ED-SBC2321 include this interface and configuration.

LVDS Screen Voltage Control

The ED-SBC2300 series single-board includes an extended LVDS screen voltage control interface with 3x2-Pin 2.54mm pitch pin header. It supports setting different power supply voltages by connecting different pins to meet the power supply requirements of various LVDS screens. The pin definitions and corresponding functions are as follows:

image-20240703174608660.pngPosition SilkscreenPin IDPin Name
J3213V3_EXT
2VCC_BL
35V
4VCC_BL
512V
6VCC_BL
  • Short Pin 1 and Pin 2：+3.3V
  • Short Pin 3 and Pin 4：+5V
  • Short Pin 5 and Pin 6：+12V

LVDS Output Resolution Adjustment

The ED-SBC2300 series single-board includes an extended LVDS output resolution adjustment interface with 3x4-Pin 2.0mm pitch pin header. It supports shorting pins to set different resolution screens. Pin definitions and corresponding functions are as follows:

LVDS resolution.pngPosition SilkscreenPin IDPin Name
J351LVDS_IMPH_L
2LVDS_IMPH_L
3LVDS_IMPH_L
4LVDS_IMPH_L
5LVDS_SET_0
6LVDS_SET_1
7LVDS_SET_2
8LVDS_SET_3
9LVDS_IMPH
10LVDS_IMPH
11LVDS_IMPH
12LVDS_IMPH

The corresponding resolution settings are as follows:

StateSET_0（Pin 5）SET_1（Pin 6）SET_2（Pin 7）SET_3（Pin 8）Resolution
0000Short to Pin 1Short to Pin 2Short to Pin 2Short to Pin 4S6 1024x600
0001Short to Pin 1Short to Pin 2Short to Pin 2Short to Pin 12S6 1024x768
0010Short to Pin 1Short to Pin 2Short to Pin 11Short to Pin 4S6 800x600
0011Short to Pin 1Short to Pin 2Short to Pin 11Short to Pin 12D6 1280x768
0100Short to Pin 1Short to Pin 10Short to Pin 2Short to Pin 4S6 1920x1080
0101Short to Pin 1Short to Pin 10Short to Pin 2Short to Pin 12S8 1366x768
0110Short to Pin 1Short to Pin 10Short to Pin 11Short to Pin 4S8 800x600
0111Short to Pin 1Short to Pin 10Short to Pin 11Short to Pin 12S8 1024x768
1000Short to Pin 9Short to Pin 2Short to Pin 2Short to Pin 4S8 1280x768
1001Short to Pin 9Short to Pin 2Short to Pin 2Short to Pin 12D8 1280x800
1010Short to Pin 9Short to Pin 2Short to Pin 11Short to Pin 4S8 1600x900
1011Short to Pin 9Short to Pin 2Short to Pin 11Short to Pin 12S6 1366x768
1100Short to Pin 9Short to Pin 10Short to Pin 2Short to Pin 4D8 1280x800
1101Short to Pin 9Short to Pin 10Short to Pin 2Short to Pin 12D8 1280x1024
1110Short to Pin 9Short to Pin 10Short to Pin 11Short to Pin 4D8 1440x900
1111Short to Pin 9Short to Pin 10Short to Pin 11Short to Pin 12D8 1920x1080

LVDS Screen Brightness Control

ED-SBC2300 series single-board includes an extended LVDS screen brightness control interface, 4-Pin 2.0mm WTB connector. The brightness of LVDS screen is controlled by connecting different pins. The pin definitions and corresponding functions are as follows:

image-20240704094901013.pngPosition SilkscreenPin IDPin Name
J341BL_UP_L_R
2GND
3BL_DOWN_L_R
4BL_EN_L_R
  • Connect Pin 1 and Pin 2: brightness+
  • Connect Pin 2 and Pin 3：brightness-
  • Connect Pin 2 and Pin 4：brightness switch

LVDS Screen Backlight Power

ED-SBC2300 series single-board includes one extended backlight power interface, 6-Pin 2.0mm WTB connector. The pins are defined as follows:

image-20240704103809026.pngPosition SilkscreenPin IDPin Name
J36112V
212V
3LVDS_BKL_EN
4LVDS_BLK_PWM_R
5GND
6GND

LVDS Screen Backlight Control

The ED-SBC2300 series single-board contains one extended backlight control interface, 6-Pin 2.0mm pitch WTB connector with the following pin definitions:

image-20240704103809026.pngPosition SilkscreenPin IDPin Name
J331BL_LED_C
2BL_LED_C
3BL_LED_A
4BL_LED_A
5BL_LED_C
6BL_LED_C