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



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



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

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