Sunday, 20 November 2016

Arduino Metal Detector


Using a Colpitts oscillator and an Arduino to upgrade a toy weed-whacker into a fully functional metal detector!

Read the full technical article on All About Circuits!


Full schematics diagram:


You can get the Arduino code from my GitHub:
https://github.com/evankale/ArduinoMetalDetector

MATERIALS:
Arduino UNO: http://amzn.to/2d5Rltk
ATMega328 chip: http://amzn.to/2dbolkR
Electrolytic Caps Pack: http://amzn.to/2d6upKs
Ceramic Capacitor pack: http://amzn.to/2dBm14D
Resistor pack: http://amzn.to/2d8uQaw
BC338 NPN transistors: http://amzn.to/2dboyV0
1N4007 diodes: http://amzn.to/2dmZQ0K
IRF740 N-channel mosfet: http://amzn.to/2dtanIK
20AWG Wire: http://amzn.to/2dBmrbq
10k Potentiometer: http://amzn.to/2dtaCU9
Male pin headers: http://amzn.to/2daT4P0
Female pin headers: http://amzn.to/2dsvRdi
Perfboard: http://amzn.to/2daSQYa

SOLDERING GEAR:
Weller WES51 Analog Soldering Station: http://amzn.to/2dq7Q4m
MG Chemicals Silver Solder: http://amzn.to/2dHj0nq
Helping hand: http://amzn.to/2dc553O

TEST GEAR:
Multimeter: http://amzn.to/2dc54N6
Breadboard & Jumpers: http://amzn.to/2dHknm2