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 ...

Across the web, there are countless designs for shock/vibration sensors for automobile antitheft alarms, door/window break detector alarms, and almost any other security alarm you can think of. Many ...

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 ...