Raspberry Pi 4 IoT Linux Programmable Expansion Board with Digital Input Digital Output

Pi640EB

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (for 5G/SSD)
Mini-PCIe (for 4G/LoRa)
1 x Digital input
1 x Digital output

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Modbus RTU digital I/O

DM43 / DM43U

4 x Digital Input
3 x Digital Output
Modbus RTU DIO
1 x RS485
USB Virtual COM control (optional)

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LoRaWAN Gateway

LWG200

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LoRaWAN Node

LW200A4 / LW200A8

4 or 8 mixed channels selective from 4~20 mA or 0~10 V
Modbus RTU
Auto polling Analog Input Sensor Data to LoRaWAN

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LoRaWAN Node

LW200D

2 x Digital Inputs
2 x Digital Outputs
863 ~ 928 MHz
Modbus RTU

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LoRaWAN Node

LW200R / LW200S

1 x RS232/485/422 (Auto detect) or 1 x RS485
863 ~ 928 MHz
Auto polling Modbus RTU device Data to LoRaWAN

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Serial to LoRa Passthrough

LR200S

1 x RS232/422/485

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4-port Modbus RTU/ASCII to Modbus TCP gateway

PM734

Discontinued
4 x RS232/422/485
Ethernet
Modbus TCP to RTU/ASCII

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2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway

PMQ822

1 x RS232
1 x RS485/422
Ethernet
WiFi

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2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway

PMQ830

2 x RS232/485/422
Ethernet
WiFi

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2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway with data logger

PMQ830DL

2 x RS232/422/485
Data logger
Ethernet
WiFi

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Ethernet to LoRa

LR200E

1 x Ethernet

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Serial via USB to LoRa (USB Virtual COM)

LR200U

1 x USB

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2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway over 4G with data logger

PMQ830DLG

1 x RS232/422/485
1 x RS232/485
Data logger
Ethernet
4G

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8-port Modbus RTU/ASCII to Modbus TCP gateway

PM738

Discontinued
8 x RS232/422/485
Ethernet
Modbus TCP to RTU/ASCII

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Modbus TCP/RTU digital I/O

EM130WBD

Discontinued

2 x Digital input
4 x Digital output
Modbus TCP DIO
Modbus RTU DIO
1 x RS422/485
WiFi

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Modbus TCP digital I/O

PD384M

8 x Digital input
4 x Digital output
Modbus TCP DIO

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Modbus (MQTT) Gateway Models Comparison

Modbus TCP digital I/O

PD388M

8 x Digital Input
8 x Digital Output
Modbus TCP DIO

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Raspberry Pi CM3 CM4S IoT Linux Programmable Controller

PiCM4S

1 x RS232/422/485
2 x USB 2.0+1(onboard)
Ethernet
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI

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Raspberry Pi CM3 IoT Linux Programmable Controller

PiCM3

2 x RS232/422/485
2 x USB 2.0+1(onboard)
Ethernet
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI

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Raspberry Pi CM3 CAN bus IoT Linux Programmable Controller

PiCM3CAN

2 x CAN bus
2 x RS232/422/485
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI

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Serial Device Server

PC834

4 x RS232/422/485
Ethernet
WiFi
Isolation protection

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Raspberry Pi CM3 IoT Linux Programmable Controller with Digital Input Digital Output

PiCM3D84

2 x RS232/422/485
8 x Digital input
4 x Digital output
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

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1-port Modbus RTU/ASCII to Modbus TCP gateway with Modbus TCP analog input

AM141

Modbus TCP to RTU/ASCII
1 x RS422/485
Modbus TCP analog input
4 x Analog inputs
Selective as 0~10 V DC and 4~20 mA by jumper settings
Ethernet

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1-port Modbus RTU/ASCII to Modbus TCP gateway over LoRa

LR200EM

Ethernet

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Raspberry Pi CM3 IoT Linux Programmable Controller with Digital Input Digital Output

PiCM3D88

2 x RS232/422/485
8 x Digital input
8 x Digital output
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

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Raspberry Pi CM3 IoT Linux Programmable Controller with Digital Input Digital Output Analog Input

PiCM3D84A

1 x RS232/422/485
8 x Digital input
4 x Digital output
4 x Analog input
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

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Modbus RTU Analog Input

AM140

TI chipset 16-bit resolution
4 x Analog input data acquisition
Selective as 4~20 mA and 0~10 V DC by jumper settings

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Modbus RTU Analog Input and Analog Output

AM142

TI chipset 16-bit resolution
4 x Analog input data acquisition
2 x Analog output
Selective as 0~10 V DC and 4~20 mA by jumper settings

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Modbus RTU digital I/O over LoRa

LR200DM

2 x Digital input
2 x Digital output

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Modbus RTU Analog Input

AM180

TI chipset 16-bit resolution
Total of 8 analog input data acquisition
4 x channels selective as 4~20 mA and 0~10 V DC by jumper settings
2 x channels 0~10 V DC
2 x channels 0~300 V DC

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2-port Modbus RTU/ASCII to Modbus TCP gateway

EM730

Discontinued

1 x RS232
1 x RS422/485
Ethernet
Modbus TCP to RTU/ASCII

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Linux OpenWRT Programmable Gateway

PD822P

Linux OpenWRT
1 x RS232
1 x RS485/422
2 x Digital Input
2 x Digital Output
Ethernet
WiFi

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Built-in Mediatek 7688 Linux OpenWRT Programmable Controller Models Comparison

Raspberry Pi CM3 IoT Linux Programmable Expansion Board

PiCM3EB

2 x RS232/422/485
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

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Linux OpenWRT Programmable Gateway

PD830P

Linux OpenWRT
1 x RS232/485/422
1 x RS232/485
2 x Digital Input
2 x Digital Output
1 x 4G-LTE
Ethernet
WiFi

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Serial to LoRa

LR485

1 x RS232
1 x RS485

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5dBi N Type Omnidirectional Outdoor Antenna

915 MHz

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9dBi N Type Directional Outdoor Panel Antenna

902~928 MHz
Extension cable x 1 (1/3/5/10 meter)

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6dBi N Type Directional Outdoor Panel Antenna

902~928 MHz
Extension cable x 1 (1/3/5/10 meter)

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Digital I/O Analog I/O Models Comparison

3dBi N Type Omni Outdoor Antenna

902~928 MHz
Extension cable x 1 (1/3/5/10 meter)

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UART to Bluetooth Class1 TTL Module

BT232T1

Discontinued
Bluetooth Class 1

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Raspberry Pi CM3 Models Comparison

Bluetooth 1.2 USB Dongle Class 2

BT5000UM

Bluetooth V1.2 Class 2, SPP; HID; GAP; BIP; etc.

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Bluetooth 1.1 USB Dongle Class 2

BT5000U

Bluetooth V1.1, Class 2, SPP

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USB To Infrared (IrDA)

IR7020

Discontinued

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