A new Instructables page has been created to make an eco-friendly DIY metal detector using an Arduino Mega just been combined with a 3.2 inch TFT LCD touchscreen to provide a fantastic readout ...

12:22 pm September 9, 2016 By Julian Horsey Using the power of Arduino, Evan Kale has ingeniously transformed a weed wacker into an Arduino-powered metal detector.

The system here uses a cheap Arduino board, a few sensors, and a magnetic contact switch. It’s then hooked into the Adafruit IO and connected to IFTTT, so you can set up alerts in any way you like.