The board has one relay which works on 12V but the input signal can come directly from microcontroller output working at 3V or 5V to control relays. E..
The module has one relay which works on 12V but the input signal can come directly from microcontroller output working at 3V or 5V to control relays. ..
The board has one relay which works on 12V but the input signal can come directly from microcontroller output working at 3V or 5V to control relays. E..