I have a relay with the following specs
3~3.3V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current
Equipped with high-current relay, AC250V 10A ; DC30V 10A
Standard interface that can be controlled directly by microcontroller ,such as Arduino , 8051, AVR, PIC, DSP, ARM and so on
Contact independent wiring, safe and reliable
I can't get it to work. I am actually wiring it to a raspberry pi (will try with arduino 3.3V later today). I am wondering if it should be powered by 5V and the signal is 3V. Is there a safe way to try it without frying the relay?
I only need 1 relay (unless I somehow manage to fry them, then i'll use the rest of the 16 for spares )
I'll go to my local electronics store I hope I can find one with a built in opto-isolator and get this problem resolved.