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 ...

In the real world, missile systems use advanced radars ... To supply targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop a servo. As the servo rotates ...

[Isabelle Simova] is building Hoverbot, a flexible robotics platform using ... sensors. Some are cheap and easily available, such as microphones, contact switches or LDRs, while others such as ...