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Problem with 16F877 and DS18B20

 
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mitk0k



Joined: 08 May 2009
Posts: 3

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Problem with 16F877 and DS18B20
PostPosted: Fri May 08, 2009 11:33 am     Reply with quote
Hi, guys.

I'm trying to "assemble" simple thermometer using PIC16F877 and DS12B80. I'm also using 1wire "driver" from here and flex_lcd driver from here. But the problem is that the LCD shows TEMP: -0 / COLD !

Anyone have clue ?

Thanks in advance Smile
Mitko Kostov.

PS: The scheme :


bungee-



Joined: 27 Jun 2007
Posts: 206

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PostPosted: Fri May 08, 2009 11:53 am     Reply with quote
Well if you would post the actual code, someone could actually help you.
mitk0k



Joined: 08 May 2009
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PostPosted: Fri May 08, 2009 12:03 pm     Reply with quote
I pointed to the code I use.
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri May 08, 2009 12:08 pm     Reply with quote
Quote:
#define ONE_WIRE_PIN PIN_A0

The linked driver uses pin A0. You are using pin C0. Did you change
the #define statement above to use your pin ?
mitk0k



Joined: 08 May 2009
Posts: 3

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PostPosted: Fri May 08, 2009 12:16 pm     Reply with quote
Yep, I changed it, also configured the LCD with my pin configuration.

The error in Proteus :





EDIT : I was using 16F877, not 16F877A. Problem solved I guess.

Thanks.
didaduh
Guest
Cant make it to work
PostPosted: Thu Oct 15, 2009 6:35 pm     Reply with quote
Mitko Kostov,

Can you send me the files to didaduh@gmail.com ?

Thanks in advance.
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