Cenlasoft

06-04-2010, 04:44 AM

Hi everyone,

A while back I created an Eddy Current Analyzer using the Prop. I want to put it into the Completed Projects for everyone to try. I am having problems trying to make an auto calibrate for finding the resonant frequency of my probe (coil) I have attached the pcb image and the spin code. This circuit or project is a shield for the prop demo board. I will provide my software (written in Processing language) to view results also when I can get this spin problem solved. Am I doing something wrong in the Calibate_Coil Procedure? Any help would be appreciated.

Thank you,

Curtis

Parts list:

C1 = 470 PF Capacitor

C2 = .1 UF Capacitor

R1 = 100 ohms Resistor

R2 = 1 M Ohm Resistor

R3 = 1 M Ohm Pot

L1 = 3.10 mH Ferrite core coil

The Two channels ADC is the 12 bit 3202-B

A while back I created an Eddy Current Analyzer using the Prop. I want to put it into the Completed Projects for everyone to try. I am having problems trying to make an auto calibrate for finding the resonant frequency of my probe (coil) I have attached the pcb image and the spin code. This circuit or project is a shield for the prop demo board. I will provide my software (written in Processing language) to view results also when I can get this spin problem solved. Am I doing something wrong in the Calibate_Coil Procedure? Any help would be appreciated.

Thank you,

Curtis

Parts list:

C1 = 470 PF Capacitor

C2 = .1 UF Capacitor

R1 = 100 ohms Resistor

R2 = 1 M Ohm Resistor

R3 = 1 M Ohm Pot

L1 = 3.10 mH Ferrite core coil

The Two channels ADC is the 12 bit 3202-B