Re: Re: [DML] Fan Relay Upgrade
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Re: Re: [DML] Fan Relay Upgrade



Martin,

Microcontrolelr was a bit excessive for the fan relays, but couold be a very good alternative for the door lock module. After looking at the pictures in the vault of a stock relay harness i came up with the idea of having two relays and have one on a delay. After i came up with the initial design i alsmot laughed on how simple it really was, 3 small transistors, 2 resistors and a cap. I actually fitted the circuitry in project box the size of a keyless entry remote (not recomended, was a pain to build). I have not tackled my fan fail light yet, and really does seem that inportant to me (like the door lock light). Well it's a hot day out, lets seem if mine functions properly ;)

Happy Easter!
- Shain
#10140

----- In Response To -----

> Shain, give me two weeks and I'll have posted my design for
> this very function. I have also worked out the system for
> the fan fail light which you need the stock wiring to be
> able to use.
>
> A microcontroller is a bit of an overkill IMO. A couple of
> comparators and some RC timers are all I'm going to use.
> It keeps things simple.
>
> Martin
> #1458

[moderator snip]





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