he was able to make an RF detector that works reasonably well. The microcontroller running the code is an ATtiny13 on a Sparrow board. He’s using an everyday LED as a detector diode and an ...

If youre curious about where to get the metal detector and how to use it, this guide is for you. How To Get The Metal Detector To obtain the metal detector, you need to purchase it. Start at the ...

At the rear of the device is an ESP32, but the front end is an AD8317 RF detector chip. This is an interesting and useful component, in that it contains a logarithmic amplifier such that it ...