John Bruh

about 9 days ago
  • CAD designer
  • United States

Tutorial - Ultrasonic Sensor HC-SR04 and Arduino Tutorial

In this Arduino Tutorial we will learn how the HC-SR04 Ultrasonic Sensor works and how to use it with the Arduino Board. You can watch the following video or read the written tutorial below. view more

Rick Sanchez

about 13 days ago
  • Electrical engineer
  • United States


about 24 days ago
  • Electronic Engineer and YouTuber
  • Spain


In this tutorial we will make a homemade lidar. Is not as good as commercial lidar sensor, but it would be good enough for some small robot to avoid obstacles. I will show you what is a lidar sensor, how they work and how I’ve made a homem... view more