The RS485 CAN HAT with Extended Fittings - Raspberry Pi RoHS is a plug and play communication board manufactured by Waveshare. It is designed for the Raspberry Pi and provides a connection between your Raspberry Pi and other electronic devices such as sensors, motors, PLCs, etc. The board supports high-speed communication with the CAN bus and RS485 support. It also features a variety of extended fittings, such as an I2C address selection jumper, DIP switch, power indicator, etc. The board is RoHS compliant and backed by a 12-month warranty.