“My traffic lights use an Arduino board as the artificial brain. The system uses LED lights and jumper wires and is programmed to switch from red to green every 10 seconds,” Elem explaine ...

and using a jumper wire (ideally one with male connectors at both ends) to connect them, thus bypassing the relay entirely and causing current to flow to the thing the relay is supposed to turn on.

Video demonstration of magnetic field radiation from assorted circuit trace configurations. The RTSA display has a center frequency of 15MHz and a span of 10kHz. If you enjoyed this video please ...