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What is DIY Capacitance Meter Circuit Design about?

This document describes how to construct a simple capacitance meter using an 8051 controller. It works by using an RC circuit to charge a capacitor, and measuring the time it takes to reach 63.2% of the input voltage using a comparator and microcontroller. This time measurement allows the capacitance to be calculated using the formula C=τR, where τ is the measured time constant and R is the known resistor value. The circuit uses a transistor to discharge the capacitor before each measurement.

Author

d

Language

EN