RS485 Click 3.3V is an accessory board in mikroBus™ form factor. The on-board SN65HVD12 differential line transceiver is suitable for high speed bidirectional data communication on multipoint bus transmission lines. It is designed for balanced data transmission and complies with EIA standards RS-485 and RS-422. This transceiver features a differential line driver and differential line receiver. Board is set to use 3.3V power supply by default.