Surf Pi 1.2 Kit -
Buy the kit. Take your time. Read the Geotech forums. And get ready to dig deep.
Just built the Surf PI 1.2 kit — my first pulse induction detector surf pi 1.2 kit
Building this kit requires intermediate soldering skills. Do not rush. Expect 4–6 hours of careful work. Buy the kit
It sounds like you’re asking about the — a popular DIY pulse induction metal detector project, often sold as a PCB + components kit. surf pi 1.2 kit