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 ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

ZARAGOZA, Spain & REDWOOD CITY, Calif.--(BUSINESS WIRE)--Cooking Hacks, the open hardware division of Libelium, a wireless sensor networks platform provider for Smart Cities solutions, has released a ...

We’ve featured a lot of Arduino projects focused on the indoors and home automation in the past, with outdoor builds being more difficult to come by. When we do find them they’re usually worth your ...