Discoverer - the metal-detector robot — The MagPi magazine
Cory Bell on Twitter: "wanna make a Arduino Raspberry Pi metal detector... 160khz with digital display. possible? #arduino #RaspberryPi http://t.co/WESuHfZGtG" / Twitter
Pulse Induction Metal Detector With GreenPAK : 5 Steps - Instructables
PI POLONêS REOAB - Share Project - PCBWay
Simple Metal Detector using CA3140 IC
Raspberry Pi Car Discoverer - Metal Detector - YouTube
DIY Thermal Camera with Raspberry Pi & AMG8833 Sensor