Pull-up Resistors explained

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a1ronzo @ learn.sparkfun.com explains us the importance of pull-up resistors and when and why they are used in digital circuits.

Pull-up resistors are very common when using microcontrollers (MCUs) or any digital logic device. This tutorial will explain when and where to use pull-up resistors, then we will do a simple calculation to show why pull-ups are important.

Pull-up Resistors explained – [Link]

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