ECM Bench Problem

[Peter D. Hipson]

A hardware only solution would be four 8-bit counter chips, and a 555 to
drive them.

At 10:55 PM 12/9/1999 -0800, you wrote:
>Hi Bruce,
>
>Are you looking for something that will drive 36 LEDs in *sequence* (1 of
>36 on at any time)?  Perhaps a zero software solution that has a
>clock input that causes next LED in the sequence to light in
>response to each clock pulse?  
>
>Tom
>
>On Thu, 9 Dec 1999, Bruce Plecan wrote:
>
>> 
>> | Not sure what you're asking for, can you describe it a little more?
>> 
>> The crank sensor reads 7 notches in the crankshaft,  6 are 60d apart, and
>> the 7th is 10d offset from the first.
>> 
>> So the timing for the pulses are    0d, 10d, 60d, 120d, 180, 240, 300, and
>> then repeat that pattern....
>> Bruce
>> |
>> | --steve
>> |
>> | Bruce Plecan wrote:
>> | >
>> | > Anyone know of a very simple cheap electronic way to illuminate 36 leds
>> in
>> | > sync.
>> | >
>> | > I need to pick the signal off of the 1-3-6-12-18-24-30,
>> | > Like for a 2.8/3.1L, DIS,  crank sensor would generate.
>> | > Grumpy
>> | >   Data Dictionary avaliable till midnight, (12/9/99), after that you'll
>> have
>> | > to find someone with a copy....
>> |
>> | --
>> | Steve Ravet
>> | steve.ravet at arm.com
>> | Advanced Risc Machines, Inc.
>> | www.arm.com
>> |
>> 
>
>
>
>
Thanks, 
        Peter Hipson (founder, NEHOG)
        1995 White NA Hummer Wagon