Here is a list of projects ... Arduino is able to interpret signals from a variety of sensors. By placing a unit equipped ...

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 ...

[Edward], creator of the Cave Pearl project ... sensor on the I2C bus — these sensors are cheap and readily available. This isn’t about connecting a temperature sensor in your Arduino.