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 ...

Arduino is one of those boards that has become synonymous with hacking and making. Since its introduction in 2005, over 700,000 official Arduino boards have been sold, along with untold millions of ...

Raspberry Pi has received the lion’s share of attention devoted to cheap, single-board computers in the past year. But long before the Pi was a gleam in its creators’ eyes, there was the Arduino.