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  1. zhewitt

    LED Addition

    I am working on a circuit that requires 3 leds to light up. I want to have it so each time a high (or low it doesn't matter either way) signal is received another light comes on until all three are lit up and then the setup can be reset to do it again.
  2. zhewitt

    Randomizer help

    I am building a circuit that requires 4 inputs to be randomly set either high or low. I do not know how to make these inputs set low or high randomly and I don't want to use a microprocessor. Any help would be much appreciated
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