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Logic Level Shifter burn-out in LED project - General Electronics - Arduino Forum
High Power LED Driver Circuits : 12 Steps (with Pictures) - Instructables
74LS04 (Logical NOT) Problems - General Electronics - Arduino Forum
LED, directly connected to an output. I hooked up a 74LS00 to a breadboard and pin 1 and 2 are connected. The video shows that when altering the input the LED nicely
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High Power LED Driver Circuits : 12 Steps (with Pictures) - Instructables
Simple LED Circuits: Single LED, Series LEDs and Parallel LEDs
High Power LED Driver Circuits : 12 Steps (with Pictures) - Instructables
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74 Series Logic ICs | PDF
High Power LED Driver Circuits : 12 Steps (with Pictures) - Instructables
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SN74LS08N and SN74LS05N doesn't work? - General Electronics - Arduino Forum