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 Nano 33 BLE Sense is a nano-sized board with Bluetooth connectivity and well equipped with sensors which include a 9-axis inertial measurement unit (IMU) which adds a compass to the usual ...