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PIC 16F877 data logger - need help!!

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shrinidhi kulkarni

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i am working on a data logger, that senses temperature & humidity. also need to alarm if values cross a threshold.

i plan to use 16f877 for this, is it okie??
and use lm35 for temp sensing . wat to use for humidity sensing(cheap IC)??
it's an academic project..wish to complete within 2 months.
Will be of great help if anyone can guide me on this...(how to program?how to simulate? and circuitry ??)

thanks in advance :-|
 

16F877 is OK.
LM35 is OK. Maybe is better to use some intelligent sensor like LM75 (i2C) or DS18S20 (one wire digital sensor).
See:
**broken link removed**

As I know, compliers MicroC and MicroBASIC has implemented both protocols.
See:
mikroC PRO for PIC - C compiler for PIC microcontroller - mikroElektronika

Where you will store logged data? I suggest some extern eeprom, 877 has small eeprom inside, but for data logger it's to small.

Mr.Cube
 
thats a good project to learn and a good enough controller to work with....
humidity sensor is available in this have a look...

N S K E L E C T R O N I C S

if you wish to use 89c51 or 52 then here is the circuit and code...

 

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thanks..Mr. cube & ck shivaram sir.

will work with data i have now.. will come up with New doubts :)
 

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