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From: "flier" <FLIER-at-sbcglobal.net>
Subject: Re: SV: SSRs, relays, speed controls
Date: Thu, 04 Mar 2004 11:20:59 -0500
Reply-To: tanks-at-rctankcombat.com

Woops, my mistake.  Takes 8 SSRs since they're spst 
instead of spdt...

--- Original Message ---
From: "flier" <FLIER-at-sbcglobal.net>
To: <tanks-at-rctankcombat.com>, <tanks-at-rctankcombat.com>
Subject: Re: SV: SSRs, relays, speed controls

>Yep, Bob Blick's code runs at ~20mhz and generates 
>the PWM outputs inline instead of using the PWM 
>modules in the PIC.  That setup requires 4 SSRs.  
>That would still be over $200 wholesale to implement 
>when dealing with high currents.  I'm sure it works 
>good though.
>
>Someone just needs to find us a source of free high-
>current solid state relays...
>
>
>
>
>--- Original Message ---
>From: "flier" <FLIER-at-sbcglobal.net>
>To: <tanks-at-rctankcombat.com>, 
<tanks-at-rctankcombat.com>
>Subject: Re: SV: SSRs, relays, speed controls
>
>>Hi Bjorn,
>>
>>I ran across this the other day.  The interesting 
>>thing is I don't think Bob's code even uses the PWM 
>>modules of the '876.  I think it's done with inline 
>>code and timed loops but I haven't had a chance to 
>>look it over good.
>>
>>Thanks,
>>
>>Ted
>>
>>
>>--- Original Message ---
>>From: =?iso-8859-1?Q?Bj=F6rn_Wallentinus?= 
>><bjorn.wallentinus-at-abc.se>
>>To: <tanks-at-rctankcombat.com>
>>Subject: SV: SSRs, relays, speed controls
>>
>>>Don't know if this will help you but there is code 
>>for the 876 on this pa=
>>>ge
>>>http://www.bobblick.com/techref/projects/sv2hb/sv2h
b