(as of Jan 11,2021 06:18:22 UTC – Details)
Adopts optocoupler isolation to avoid strong interference of high voltage circuit.
With relay indicator, easy to view the working status of the relay.
Designed for Raspberry Pi A+/B+/2B/3B/3B+.
With relay selection jumper cap, convenient to switch other pins for Raspberry Pi control.
High quality relays allow this expansion board to connect to load: ≤5A 250V AC or ≤5A 30V DC.