A small PlatformIO/Arduino project that measures distance using an ultrasonic sensor (HC-SR04 or similar) and prints the measured distance over the serial port. This README explains how to open the ...

Making this keyboard is way much harder than I expected, so I upload my project and code. Hopefully it can help more people. After several weeks of woe and pain, here's the only way for a Arduino UNO ...

This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...