Thursday, July 9, 2015

Capacitor Measurement

One goal of this project will be to successfully print a capacitor. To make sure that the printed capacitor achieves the desired capacitance, it has to be measured. A tutorial was created demonstrating how an Arduino could be programmed to measure the capacitance can be found here. The program works by timing how long it takes for the capacitor to reach 63.2% of its total voltage. This value is also known as the RC time constant. When the time constant is found, the capacitance can be solved for due to the fact that the resistance of the circuit is already known.

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