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 ...

HW-006 Module – A Brief Overview. The HW-006 (V1.3) line tracker sensor module based on TCRT5000 an infrared reflectance sensor. This is usually mounted at the bottom of a line following robot chassis ...

The new TMD2755 module’s footprint of just 1.1mm x 3.25mm is some 40% smaller than that of the next smallest comparable 3-in-1 (IR emitter + IR detector + ambient light sensor) modules on the ...

Instead of using mechanical paddles, [Sebastian] brought his iambic key into the 21st century by using a touch sensor. An ATtiny45 measures the time it takes for a single metal plate to fully charge.