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 ...

This circuit does not detect object movement but can act as an proximity sensor! Presence, Proximity Sensor Circuit Schematic proximity sensor circuit schematic. The sensitivity of the proximity ...

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.

Today the official Arduino development team has announced the availability of the Arduino MKR IoT Carrier from its online store priced at €48. Equipped with a wide variety of sensors, circuits ...

[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 the… ...