XDA Developers on MSN

I turned the Arduino Uno Q into a streaming server for my Bluetooth speakers

If you're looking for a way to turn your Bluetooth speaker into a Spotify Connect device, then this is the way.
Hosted on MSN

How to Use Multiple Buttons on a Single Arduino Pin – Smart Pin-Saving Trick

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards ...