This is the proposed wiring diagram for the ‘hacked’ sensor box. Now the shock/vibration sensor is ready to work with any microcontroller – no matter how it’s powered in truth. Now what? Simply ...

Here’s your useful and beautiful circuit for the day — [New Pew]’s vibration sensor takes manual control of the flip-flop inside a 555 timer and lights an LED in response.Use it to detect ...

After receiving the sensor signal, the micorcontroller will recognize how the machine is programmed and respond accordingly. For example, if the first can or bottle has just vended the control board ...