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Nuts & Volts Magazine (January 2018)

Measuring Resistance with the Mentor’s Friend

By Dane Weston    View In Digital Edition  


Previous articles introduced the Mentor’s Friend (nicknamed the Amigo): a Propeller-based retro computer that you and a young protégé can build together and program in BASIC. This article will discuss how you can measure resistance with your Amigo using a simple RC decay circuit and algorithm. The capability won’t be too precise, but it will be good enough to add an important tool to your “sense and control” toolkit.

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