Pull-up resistor button led

137

02:44:27

When the button is pressed the mcu will reveal the change and update the status of the led to on

published 5 years ago

dsball

5 years ago

Is the 3.3V supply the mcu in this? This is also a "pull-down" resistor, meaning when the circuit is not held high by the button, it is pulled low by the 10K resistor.

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