Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...
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 ...
Abstract: Microscale light-emitting diodes (Micro-LEDs) have attracted intensive research attention due to their potential applications in high-resolution displays, wearables, and VR/AR headsets.