Discoverer - the metal-detector robot — The MagPi magazine
PCBA Metal Detector Smart Raspberry Pi Temperature Measurement PCBA Design Service - China PCBA and PCB
Cory Bell on Twitter: "wanna make a Arduino Raspberry Pi metal detector... 160khz with digital display. possible? #arduino #RaspberryPi http://t.co/WESuHfZGtG" / Twitter
Metal Detection - Hackster.io
Metal Detector Module | BreadFruit Electronics | Buy Latest Arduino, Sensors, Raspberry Pi, ICs, Resistors And Other Electronic Components In Nepal
Arduino Metal Detector Project with Code and Circuit Diagram