Tag - metal detector

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GPL3+ Sensitive Arduino IB DIY Metal Detector

August 27, 2022

5 min read

SUPPLIES AND PARTS Arduino Nano R3module for weak signal amplification with LM358IRF730 mosfet transistorRotary Potentiometer, 10 kohmBuzzerLED (generic)Rechargeable Battery, Lithium IonGeneral Purpose Transistor NPN (2nd...