In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for beginners without these tools.

Raspberry Pi Pico microcontrollers come with a variety of different features for a few bucks, and a few interesting ...

Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides ...

Brush your teeth, bathe, and wash your hands regularly. Simple, right? Although hygiene is an essential aspect of personal care, misinformation concerning these habits abounds. Here, check out some ...