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[ARM] Getting a wrong ascii value while connecting LPC 2138 with LM 35 on proteus

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prashant agarwal

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hello everyone,

Here is the proteus simulation of my code.I am just trying to display temp on lcd screen but when i connect lm 35 to any of ad pin then LCD is displaying any garbage values and without connecting the sensor LCD is working well.here i m just printing "pra" while no ADC code is running.
pro1.PNG

pro2.PNG
 

Looks to me more like a software problem. Your ADC code is probably hanging somewhere.
 

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