This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

If we asked you to light up an LED using an Arduino, there’s a good chance ... Finally, arrange the LEDs in an attractive circle around a potentiometer. Wait, how are you going to do that?

So he grabbed an Arduino, potentiometers and a button and hacked together what a joke-yoke. The genius part of this hack is the way [Christopher] used his desk drawer for pitch control.

Call it synchronicity, or manually setting a 16-bit number in an Arduino, or how to turn an OLED into a rotary dial... What am I talking about? Well, I was just compiling the blogs pages for the next ...