Hi, the relay can be controlled through python and I can hear the sound on state transition from on to off or reverse, as well as the LED on and off respectively. However, when I connect a 220V computer fan, I hear the sound from off to on only and the fan cannot be switched on, nor the LED on the …

Grove - Relay does not work

jeffrey.yung May 6, 2016, 3:06pm 6

I am referring to detection through function call, not visual inspection. Thanks.