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PICList Thread
'[PIC]: Led Car Tachometer'
2001\01\01@135331 by Jose Luis

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Hi,

I'm new to the list and to the PIC, so excuse me if there is a dumb
question. Has somebody tried to make a Led Tach, as the one in the F1 cars,
it is 8 Leds, I have thinked that for a common car each led will represent
1000 RPM, so the only thing I need is to count the pulses, and turn on the
corresponding amount of leds, I believe it is really easy, but not for me, I
will thank any Tip.

Josi Luis


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2001\01\01@170357 by dre Domingos F. Souza

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>I'm new to the list and to the PIC, so excuse me if there is a dumb
>question. Has somebody tried to make a Led Tach, as the one in the F1 cars,
>it is 8 Leds, I have thinked that for a common car each led will represent
>1000 RPM, so the only thing I need is to count the pulses, and turn on the
>corresponding amount of leds, I believe it is really easy, but not for me, I
>will thank any Tip.

       José, by your name I see you are brazilian. You can find exccelent projects in the Nova Eletronica and Saber Eletronica magazines, which are quite easy to find around here. These are simple projects, using an UAA180 or LM3914 as the led driver.


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2001\01\03@080331 by J. L.

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I have already made a tach with the LM3914, but i want
to make it with a pic, i believe it will be smaller
and simpler.

Josi Luis

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2001\01\03@101933 by Kevin Blain

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I recently did a comparison between the LM3914 and the PIC16F872 for a
bargraph driver application.

I chose the PIC, it was nearly a pound cheaper, and available in SSOP rather
than DIL.

{Original Message removed}

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