Looking for a light project to teach young hackers some very basic electronics? Here’s a quick and easy weekend project, a simple metal detector! We all know 555 timers are very useful and pop up in a ...

In the course of trying to make out yard a properly graded area of grass, with some plots for veggies and flowers, I have torn up a decent chunk of dirt. And, in the process of doing so, as well as ...

In addition to a decent pair of headphones, it helps to carry a good pinpointer when you use your metal detector. These ...

The heart of this diy metal detector circuit is the CS209A IC. The metal detector is built with one 100µH coil that has 40 mm in diameter and is made of 50 turns/0.4 mm wire. CS209A has one oscillator ...

Have you ever found yourself suddenly in need of finding a small metal object hidden in the woods? No? Well, neither have we. But we can’t say the same thing for [zaphod], who’s family was hoping to ...