"npn-transistor"-tagged Public Circuits

Now showing circuits 1-2 of 2. Sort by recently modified name

	Fridge alarm PUBLIC by Beera1 | updated December 03, 2017 fridge-alarm   ldr   npn-transistor
	Laser ON/OFF switch using NPN transistor PUBLIC How to hookup a laser module to an Arduino, using an NPN transistor to control it. Calculation, based on 20mA typical operating current draw from the laser module. Ic = 20mA = 0.020A Ib = Ic/10 =... by aweijnitz | updated January 20, 2013 arduino   laser   npn-transistor

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