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Interface an LED to Port A bit 4 using positive logic and sketch it. The LED parameters are 1.4V 2mA. Assume the microcontroller output voltage

Interface an LED to Port A bit 4 using positive logic and sketch it. The LED parameters are 1.4V 2mA. Assume the microcontroller output voltage V_OH is 3.2V. What is the size of the resistor?

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