# Interfaces

- [GPIO(General purpose Input/Output):](/ruggedboard/test-interfaces-of-rb/interfaces/gpio.md)
- [UART(Universal Asynchronous Receiver-Transmitter)](/ruggedboard/test-interfaces-of-rb/interfaces/uart.md)
- [RS232](/ruggedboard/test-interfaces-of-rb/interfaces/rs232.md)
- [RS485](/ruggedboard/test-interfaces-of-rb/interfaces/rs485.md)
- [CAN](/ruggedboard/test-interfaces-of-rb/interfaces/can.md)
- [MikroBUS](/ruggedboard/test-interfaces-of-rb/interfaces/mikrobus.md)
- [mPCIe](/ruggedboard/test-interfaces-of-rb/interfaces/mpcie.md)
