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Also, the code posted is turning the ADC off after the first reading. Read then has to switch it back on. It will do so, but there will then be no acquisition time. Another reason for getting poor rea ...

This is my code

#include <18f4550.h>
#device adc=10
#fuses hspll,nowdt,noprotect,nodebug,usbdiv,pll5,cpudiv1,vregen
#use delay(clock=48000000)
#include <usb_cdc.h>

int1 ...

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I am working in a project with 18F4550.
It needs to acquire data from an LM35 and send it to a PC via USB
The problem is the data acquired is "jumping" in value about 3 or 5 degrees above ...

Hi,
i'm following the suggestion but it doesn't work.
The code is :

#include <18F452.h>
#DEVICE ICD=TRUE
#DEVICE ADC=10
#include <MATH.H>
#USE FAST_IO(A)
#FUSES HS, NOPROTECT, ...

printf("\n\r ADC-value: %4X \r\n", value);

Here you will get an hexadecimal number

Why don't change as below

printf("\n\r ADC-value: %4Ld \r\n", value);