Has anyone tried this smartphone based metal detector?

[Atul Asthana]

This is the video https://youtu.be/BolEUTYOES0

[grovento]

Not yet. I's a project I've adjourned. It looks interesting because it's easy to mount and has a few easy to get components for that detectting distance. It's based on Neco's (https://neco-desarrollo.es) Smart Hunter.