DockerPi 4 Channel Relay

Description: DockerPi 4 Channel Relay is a member of the DockerPi Series,more commonly used in IOT applications. DockerPi 4 Channel Relay can relay AC/DC, instead of traditional switches, to achieve more ideas. DockerPi 4 Channel Relay can stack up to 4, and can be stacked with other DockerPi expansion board. If you need to run for a long time, we also recommend that you use our DockerPi Power expansion board to provide more power. Features: DockerPi Series Programmable Control directly(without programming) Extend the GPIO Pins 4 Channel Relay 4 Alt I2C Addr Support Relay Status LEDs Support 3A 250V AC Support 3A 30V DC Can Stack with other Stack board Independent of the mainboard hardware (require I2C support) How to connect the electrical device Please pay attention to this mark on the board: NC = Normal Close COM = Common NO = Normal Open Mechanical Drawing