Arduino Ultrasonic Sensor HC-SR04 Build, Code and Explanation

I'm really excited to show you my first standalone Arduino project. An HC-SR04 ultrasonic distance indicator with LED lights and a buzzer. Due to Recent changes to the YouTube partners program I will no longer be able to monetize my videos so I've come up with a few ways you…

How to attach crocodile (alligator) clips to a wire and make your own test leads

I wanted to make a short video about how to make your own test leads using crocodile or alligator clips that I bought from Aliexpress…