Four Channel Relay HAT for Raspberry Pi
Easily control four relays with this HAT for Raspberry Pi from PMD Way.
Each HAT is fully-assembled and ready to use. Relays are optoisolated and can control up to 5A 250V AC or 5A 30V DC.
Indicated LEDs are fitted to show relay on/off status. Mounting hardware is included to bold HAT to the Pi.