A proximity sensor detects the ball and starts up a pair of 540 R/C motors, ... Posted in Tool Hacks Tagged arduino, proximity sensor, router, VCNL4020, woodworking. Gesture Based Security Lock.

Sparki uses an ATMega32 processor and a custom bootloader to run Arduino functionality. It has a distance sensor to calculate the distance to walls and objects, an accelerometer, light-sensing ...

[Dustin Andrews] built this add-on board which works as a proximity sensor. He wanted a standalone sensor for his Arduino projects which would use a single pin as a trigger. This lets him alert ...