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 ...

This is a simple arduino project for a soil moisture sensor that will ... The other method to find the resistor’s value is to try different values or use a potentiometer. Insert the probes into the ...

Potentiometers, or variable resistors ... up in which a voltage controlled current source feeds the pot while an Arduino with a motor controller turns it through a stepper motor, and takes ...

Motorized linear potentiometers are a rare ... is controlled by an Arduino clone and a small motor driver. That’s just the hardware; the real trick here is the software. So far, [Jack] has ...

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 ...