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Results tagged with voltage-divider
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user 301523
A voltage divider is a circuit that produces an output voltage that is proportional to the input voltage. One typical configuration consists of a pair of resistors in series from the input voltage to ground, with the output voltage taken from the junction of the resistors. As an example: two equal-valued resistors will give an output voltage that is 50% of the input voltage.
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Low-Voltage Unidirectional Ground-Level Shifter
I am trying to interface the status LEDs of a third-party device to the GPIO of my ESP32. I am using internal pull-ups on the ESP32 inputs and trying to trigger on the voltage drop that occurs when t …
