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.

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

And since the Arduino works as an AVR programmer you don’t need special hardware to program the device. Posted in Microcontrollers Tagged attiny13 , infrared , ir , phototransistor , proximity ...