My VMA05 Relays-Shield doesnt work.
I can see the leds flashing and hear the relays switching, but they wont close the circuit.
Maybe i made a mistake, i dont know much about electronic (but i need to switch something ;-)).
There are three Pins on each relays, but i cant detect any change the Relays switch.
By the way, i checked it with a circuit indicator, nothing happend.
Is the board defect, or is it my fault?
All beginnings are difficult!
You should look at page 4 in the following link.
This is a rough example of how to connect a relay.
Thank you for the guide
Thats the way i already tryed with the circuit indicator, but there comes no “beep”.
The program and the relays are switching, but i cant measure any loop.
In my view, its a simple switch, but its not switching
Are you running everything from USB? or do you supply external power. Just USB power maybe not enough to fully switch the relays.