An Arduino Nano controls two relays which in turn can turn the car ... His eventual goal is to relocate this circuit closer to the wheel and use an NFC ring to start it! He’s done an amazing ...

All it does is time the activation of the relays that control the gas flow, power, and wire feeder, so [Brett] decided to use an Arduino instead. The welders control circuit runs at 24V ...

Finally, your Arduino toolkit will be incomplete if you don't purchase some sensor and circuit modules ... good idea to grab ...