Raspberry Pi CM3

RS232 / RS485 / RS422 * 2
Ethernet, USB 2.0 * 2+1 (onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI
DI * 8, DO * 4, AI * 4

Modbus TCP to RTU/ASCII

Wired and WiFi
1 / 2 / 4 Serial ports

LoRa up to 5 km

Modbus / Serial / Ethernet over LoRa
Modbus Digital I/O over LoRa

USB to RS232 with 5V power

Power supply not needed for RS232 Device if its pin 9 can accept 5V power

Serial over Bluetooth

Bluetooth 2.1 to Serial
Bluetooth 5.0 to Serial

Serial over IP

Wired and WiFi
1 / 2 / 4 Serial ports over IP

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USB to RS232 with 5V Power

No need of power supply for RS232 device if RS232 device pin 9 accepts 5V power

Industrial Unmanaged Ethernet Switch

Reliable operation and able for 9V-24V jack power input or PoE.

Raspberry Pi CM3

RS232/RS485/RS422, Ethernet, USB 2.0, HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI, DI, DO, AI

Barcode Scanner

Reliable operation of barcode scanner
Barcode Slot/Pen Scanner
1D Barcode Scanner
2D Scanner QR Code Scanner

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Raspberry Pi CM3 – LoRa – Modbus – Serial Server – RS232 RS422 RS485 – Ethernet WiFi Bluetooth – Digital Analog I/O – Barcode Scanner