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The resistor
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12v To 3v Converter Circuit | DC To DC Converter - YouTube
Got a simple (and embarrassing question), is this the correct way to power 3 white LEDs? 12v power supply and 3 470 resistors behind each LED. I've learnt that i shouldn't power
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12V To 3V Converter Using BD139 NPN Transistor
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How can we reduce 12V to 3V by simply using a resistor? - Quora
automotive - I'm trying to use 3v LEDs in a 12V circuit, in my car - Electrical Engineering Stack Exchange
How can we reduce 12V to 3V by simply using a resistor? - Quora
12V to 3.3V Signal to Arduino - Project Guidance - Arduino Forum
LM317-ADJ Resistor Value and Circuit for 3.3V,5V,12V,15V,18V | Circuit Ideas I Electronic DIY Projects I Robotics
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LED Strip Light Internal Schematic and Voltage Information | Waveform Lighting
