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PIC based accurate LC meter

LC meter is one of frequent embedded projects. It is simply because most multimeters don’t have an inductance meter and sometimes capacitance. You can always buy a better one where you can find these features but why not to build one even with better characteristics you may need.

This LC meter operates as most LC meters – they are based on LC oscillator circuit. By measuring the frequency of serial or parallel LC circuit you can calculate unknown L or C value. As result this project is capable to measure inductance in range 0 nH to 10mH at resolution 2nH, capacitance from 0pF to 10uF at resolution 0.1pF. It has automatic calibration ability and autorange as well. This is great and practical project for any hobbyist.

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