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 ...

First, upload the following PWM sketch to your Arduino Uno r3/Nano v3 and connect a 10mm water-clear green ... The sketch takes input from a potentiometer and produces a fair LED fade, using the ...

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

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 ...