Electronique et loisire metal detectors kit without coils

[chafik]

I was searching for a article that I had it before about pinpointer he can detect coin at 30 cm but I didn't find it but I found 2 articles about PI detector And BfO and they are mentioning more articles was published about metal detectors with explaining the theory and the circuit but they didn't give the coil details because they sell it I have a pdf for one it can't be accepted for the upload limit I will try it again or I will send the download link (this article is French)

[chafik]

I was searching for a article that I had it before about pinpointer he can detect coin at 30 cm but I didn't find it but I found 2 articles about PI detector And BfO and they are mentioning more articles was published about metal detectors with explaining the theory and the circuit but they didn't give the coil details because they sell it I have a pdf for one it can't be accepted for the upload limit I will try it again or I will send the download link (this article is French)

https://drive.google.com/file/d/11qv...w?usp=drivesdk