As stated, the circuity can be used to send calibrated pulses to a microcontroller-based tacho meter or similar circuit/device ... was connected to an Arduino board and measured the rotation per ...

An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off. Instead of adding a button for ... goal is to relocate this circuit closer to the wheel and ...

Going back to the garbage can example, you'll need a sensor, jumping wires, and a motor to make everything work. On top of all that, you'll need to program the device to do what you want it to do.