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Capacitance meter

Capacitance meter
The capacitance meter, which is attractive and easy to build, has five measurement ranges and allows the test result to be displayed on an analogue or a digital meter. Gates IC1a and IC1b are arranged as an astable multivibrator (AVM), whose frequency is determined by capacitor C2 and the resistor, R1, R2, or R3, selected with switch S1.
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