How can I configure a 4-relay board to work as shutter 1 (relays 1 and 2) and shutter 2 (relays 3 and 4). I read docs but could not make it work with 4 channel.
How can I configure a 4-relay board to work as shutter 1 (relays 1 and 2) and shutter 2 (relays 3 and 4). I read docs but could not make it work with 4 channel.