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Resistors

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Pull-up & Pull-down Resistors Calculator

Resistors are current limiting devices with are used abundantly in electronics circuits and products. It is a passive component which provides resistance when current flow through it.

Pull-up and pull-down resistors are often used when interfacing a switch or some other input with a microcontroller or other digital gates. They are often used to provide a controlled current flow into a resistive sensor prior to analog to digital conversion of the sensor output voltage signal.

Pull-up Resistor

Pull-up resistors are resistors which are used to ensure that a wire is pulled to a high logical level in the absence of an input signal.

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Formula

R= V/I

Diagram View