relay module
DFR0055 is a part of the DF Robot Relay Module, a 4-channel relay board that allows a user to control a variety of devices, including lights, motors, pumps, solenoids and more. The board is controlled through an easy-to-use Arduino library, and features four SPDT relays. It can withstand up to 10A at 250V AC or 12A at 30V DC and is capable of controlling a variety of devices. The board requires a 5V input voltage and can be used with a variety of boards, including Arduino, Raspberry Pi, STM32 and ESP8266.