It is simple, hold the flame of ... As seen in the diagram below, two momentary pushbutton switches are wired to D4 and D5 to control the two output channels D8 and D9. This Arduino Uno setup can be ...

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 ...