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 ...

The module (sensor/control electronics ... module into an Arduino Prototyping Shield for a quick/lazy evaluation using an Arduino Uno. If you have played with ultrasonic distance measurement projects, ...

If you have one ultrasonic sensor and a microcontroller, you can detect plenty of useful things, like the water level in a rain barrel or the distance ... wired up to an Arduino Uno.

Conamara’s flat frequency response throughout the ultrasonic range enables accurate ranging and proximity detection. Compact and Energy-Efficient: At 5mm ⌀ and 1.5mm thick, the module meets ...

Inside [Klaus]’ device is an Arduino Uno, an HC-SR04 ultrasonic distance sensor, and an Adafruit Wave Shield. Originally, this parking/distance sensor used a small TFT to display the distance to ...