Yet another LC meter using PIC16F628A

DIY LC meter projects are very popular among hobbyists and students. Here is another LC meter project which is based on PIC16F628A microcontroller. It uses a tank oscillator circuit combining a few external components and PIC’s internal comparator module. The L and C values are computed from the resonant frequency of the LC tank circuit. The project also incorporated auto-calibration by shorting the test leads. The meter uses a standard 2×16 character LCD for display.

PIC based LC meter

PIC based LC meter


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