He suspected EMF interference so as a quick first step he decided to throw together an EMF detector using an Arduino. It uses a bank of LEDs as an indicator bar to reflect the EMF picked up by the ...

[Daniel] created an Arduino Sensor Shield to interface ... to talk to the graphical programming environment. The shield includes resistance sensing, a light sensor, a sound sensor, and a sliding ...

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 ...