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 ...
In this video I build a reverse coupling and use it to try and solve the drone's issues. In this series, I will be building a ...
You may or may not be reading this on a smartphone, but odds are that even if you aren’t, you own one. Well, possess one, ...
Lasers, LEDs and light sources are devices that create light. LEDs (light emitting diodes) convert an electrical current into light using spontaneous emission in optically active semiconductors.