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Help with PIC ADC working variable but specific amount of time.

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tato87

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Dear all! Well, I am interfacing an air pressure sensor to a PIC 18f2550 using its ADC for getting the readings to the PC through the USB connection, is OK at this point. For my project, I interested only in changes of pressure, in the range from 2 to 15 seconds. For example, check if pressure changes in 10 seconds, if doesn't check again but this time for 5 seconds. This amounts of time will be set in the PC program by the user (me).

I already did the communication between PIC and the PC through USB, but now I'm trying to figure how could control the ADC for working in variables but specific amounts of time being set with my program.

Thanks for any help, will be very appreciated
 

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