SOLVED) 5v relay not powering arduino or rest of system - Motors
Hello, This is my first arduino project and I need help Here's a pic of my system with the wiring. When I plug the arduino via USB, the system turns on, however when I plug the 12 v 5 amp power supply (where the 12v battery is in the diagram) nothing happens. As if the system is not plugged in at all.
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