At 02:03 AM 27/10/2012, you wrote: >When I measure and do a calibration of the ADC at +24V I get a good reading. >I now set the supply to +12 and I get a reading of +1V above this. One of the things that can trip you can be the internal pull up resistor being inadvertently enabled. Regards John Samperi ******************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA Tel. (02) 9674-6495 Website http://www.ampertronics.com.au *Electronic Design * Custom Products * Contract Assembly ********************************************************
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Re: [AVR-Chat] Apparent non-linear output from ADC
2012-10-26 by John Samperi