Electrolytic capacitor Projects

Instant AC Power Filtering

Instant AC Power Filtering

You’ve been working hard at your Arduino-based servo project, and so far it’s working great. Time to untether it from your computer and let it run on its own, right?...

Posted by Jeff Faust

Categories: Arduino | 2 Comments


LED Sound Meter

LED Sound Meter

In this guide you will learn to created an array of leds that visually represent the volume picked up by an electret microphone. You will learn how to wire 3...

Posted by Sam Berg

Categories: Arduino | 1 Comment


Micro FM Transmitter

Micro FM Transmitter

This circuit is commonly credited to Japanese multimedia artist Tetsuo Kogawa. It takes audio input through a 1/4″ phono jack and, constructed as shown, without the optional antenna connections, will...

Posted by Sean Michael Ragan

Categories: Electronics, Computers & Mobile | 2 Comments