| With inexpensive ultrasonic sensors, you can design both basic and sophisticated measuring devices for various ranging applications. By comb...
All items tagged with Circuit and IoT & Sensors (3)
| PIR-controlled presence detection solutions are popular, but they don't detect stationary bodies. This DIY radar-controlled project is a han...
| I recently came across an ESP8266-based “wearable” board I developed some years ago. Here's how I brought the board to life with the help of...