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Home › ELEKTOR FORUMS › Test & Measurement › Wind Speed & Direction Meter

ELEKTOR FORUMS

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Topic: Wind Speed & Direction Meter
Author Post

ElectroPete

5 posts

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Read post 01-06-2006 21:35

Has anybody successfully built this instrument? (Elektor 5/2004)
I tried but failed -
The LCD display shows only "rubbish" and there is no indication of speed or direction on the PC screen.(I noticed the missing ground connection to the DB9 connector!)
I have pulses from the sensors! All components and connections are checked
I tried several different PIC:s - no improvement
I tried to re-compile the assembler code - lots of errors in MPLAB

Any ideas - anyone?

/Pete

ElectroPete

5 posts

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Read post 13-08-2006 13:17

It works now!
I found an error in the schematic:
The connections to the LCD are mixed up:
D4 should be connected to pin 21,
D5 to 22,
D6 to 23,
D7 to 24.
Then the LCD works OK!
Also you must be patient - after one (1) minute you get the first readings of speed and direction on the LCD and the PC.

/Pete

locomotiva64

1 post

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Read post 28-08-2008 19:26

Hallo
i have a many error if i compile the " VEC16MPU.ASM "

There'is another good file?

thank you

floriano

ykenanergun

1 post

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Read post 15-05-2009 13:07

i couldnt compile neither 16f876 or 876A.

please someone help.

Electropete, you ran this circuit, please help us.

Post edited by ykenanergun on 15-05-2009 13:14

smart boy

1 post

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Read post 26-08-2010 13:41

ykenanerguni couldnt compile neither 16f876 or 876A.

please someone help.

Electropete, you ran this circuit, please help us.

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