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 project utilizes an Arduino to produce a drum kit which comes with four piezo sensors, PCB, and other required to make it work with Arduino as a mini shield. In the design, there are 3 sections ...

What is a SWED? How the research team's SWED design significantly improved imaging. Initial test results with the SWED design. The standard two-dimensional array of piezoelectric sensors used for ...