Components required for this project are Raspberry Pi (or Raspi) 2, HC-SR04 module, 330-ohm and 470-ohm resistors, and some jumper wires. Working of HC-SR04 ultrasonic sensor is fairly simple. Circuit ...

Leverage the extensive ESP32 and Raspberry Pi open-source ecosystem A short press of the button ... and general users who are interested in creating circuits with sensors, and writing code or not ...