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  1. bob_s

    help with LCD power

    I've been trying to power an LCD module using a UA78M05CKTPR regulator (power-flex package) but the regulator gets very hot. I measured it with a temperature probe and its more than 155F which is too high. The max operating temp is 150F and the recommended operating temp is 125F. The LCD LED...
  2. bob_s

    isolated motor feedback circuit

    I have a motor circuit which needs to have feedback for current flow through the motor (see attachment). The input drive is pulse width modulated at 50khz. The motor draws up to 6A. How do I get the optoisolator to turn on when current flows?
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