An Arduino can measure time, a coil and a resistor will create a delay proportional to the circuit values, and metal around the coil will change the coil’s inductance.

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, ...

Using the power of Arduino, Evan Kale has ingeniously transformed a weed wacker into an Arduino-powered metal detector. This innovative project showcases the versatility and potential of Arduino ...

Your main detector has filters, discrimination, and a few other things, so you can focus on ‘treasure’. Pin pointers don’t, and will beep for anything. 2-3 inches of dirt, isn’t tough to ...

Build a Simple Door Detector with IFTTT Alerts Using an Arduino. Thorin Klosowski October 20, 2015 Comments. One of the essential parts of any home security system is a door ...