If you ever wanted to adjust a circuit using a digital version of a potentiometer (variable resistor) controlled by an Arduino then this is the easy way to do it - and at a price that won't break the ...

A simple pomodoro timer created with 7 segments display. Add in variable resistor to allow setup timer before counting down. Allow user to restart timer by pressing push button. LED will act as ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...