guys need ur help I am doing a project based on LED I have 2 pins left. I need to control 3 LEDs. The idea i have is to connect 2 LEDs parallel with opposite polarity to these pins and also from these pins take inputs of an AND gate and connect the 3rd LED across the AND gate output and ground. T…

LED dilema

system December 14, 2012, 1:26pm 5

So what resistance shoul i use?

Shd i connect a resistor for the 3rd LED from and gate o/p ???

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