Arduino Metal Detector DIY project
Its a simple design and just for experimenting,8 parts needed to make this simple metal detector. Parts: 3 meteres solid copper wire,220ohm and 1kohm resistors,capacitor 100nf,one led,one passive buzzer and arduino board. Download schematic and code here: • Arduino metal detector My homemade power supply: • Smart Homemade Power Gadget with 12V-5V-US...

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