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 ...

Arduino ADC is usable around 10/12 bits. That means it can measure up to 1024/4096 diferent voltage levels. Counting frequency instead can let you choose your own diferent measurement levels ...