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Connect the 2N2222 transistor to the pin3 of the Arduino with a resistor connected to the base of the transistor and collector terminal to the 5V of Arduino Uno. Connect a small bulb between the ...
Touchless Tattoo Machine Switch Created Using Arduino (video) 2:02 pm July 3, ... This project uses an Arduino Uno, a distance sensor module, and an FET driver transistor module.
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