Additional Injector Controller

[Bernd Felsche]

Jörgen Karlsson tapped away at the keyboard with:

> I wonder one thing about the 555, is it really possible to retrigg
> the 555.  What happens when the trigg pulse come before the
> previous output pulse has ended, does the 555 reset the capacitor
> or is the trigg pulse ignored.

The output remains high for the duration of the trigger pulse.
Triggers don't reset the timer, they only start the timing process.

> If the trigg pulse is ignored (I belive it is) we have a big
> problem, the result will be that when the required injector pulse
> width is longer then the time between the trigger pulses the
> injectors will only be opened every other trigger event.

Correct.

One can however use the trigger to stretch the output.

-- 
Bernd Felsche - Innovative Reckoning, Perth, Western Australia
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