AVR based LC Meter
Introduction:
Calculates and displays L and C from resonant frequency using reference components. This instrument requires A precision capacitor or a precision inductor. You only need to connect one precision component, either the reference capacitor or the reference inductor, and using this meter, you can select or adjust the other precision component.
Micro controller:
AT 90S2313
Basic Theory:
An LC oscillator oscillates at the resonant frequency of a parallel LC resonant circuit. When measuring an inductor, a precision capacitor is attached in to the circuit and while measuring a capacitor, a precision inductor is attached into the circuit.
For more details click:
http://cappels.org/dproj/nlglcm/Pretty%20Good%20LC%20Meter%20Project.html