[Diy_efi] Pulse width meter
jim cottrill
jim980 at frontiernet.net
Wed Dec 1 21:19:11 GMT 2004
I have done this with a Microchip 16f876 with a LCD display. It's a bit
different than the one Steve Ravet posted, the one I did used used a
pulse width and duty cycle measurement without interrupts. If you are
into Microchip assembly code I can post it.
I have only used it on the bench not on a vehicle.
If I had a digital camera I could post the circuit board.
The code is pretty simple.
-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]
On Behalf Of Jag Man
Sent: Monday, November 29, 2004 10:47 PM
To: diy_efi at diy-efi.org
Subject: [Diy_efi] Pulse width meter
Sorry, I was referring to the microcontroller implementation described
at the diy_efi site:
http://www.diy-efi.org/diy_efi/projects/pw_meter/
Has anyone implemented that circuit?
I know it can be done with a scope, but it would be much easier with
a special-purpose device. I also know it is part of the fuinctionality
of
some digital multimeters, but they are a bit pricy for me.
I'm a newbie here. I was assuming this was a mail list and therefore
expected to get
postings in my mailbox. Guess the only way to read postings is
in the Archives? Or, what am I missing?
Ed
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