[SS2S-Main] Re: temperature controller with arduino

  • From: "" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "monsieurboo@xxxxxxx" for DMARC)
  • To: sugarshot@xxxxxxxxxxxxx
  • Date: Mon, 30 Jun 2014 18:36:28 -0400 (EDT)

Seems to me guys like Vicente epitomize the original Day 1 spirit of the SS2S 
venture.  Looking back, and particularly considering the wealth of talent and 
experience in our group, we surely could've met our altitude goal years ago 
with a fundraising effort, COTS parts and APCP as the motivator.  We chose a 
different path, partly as a salute to amateur rocketeers throughout the decades 
who had to "roll their own" more often than not.  

Certainly we owe it to ourselves to make the best use of technology.  When SS2S 
was first conceived, there were no GPS modules available for what we needed.  
(IIRC, they hadn't even unlocked the high-accuracy version for civilians yet.)  
 Today, of course, we'd look foolish if we didn't embrace that kind of 
capability.  Sometimes there's only one sensible choice.  When it comes to a 
homebrew curing oven, though, there's more than one path to the top of that 
hill.   The usual tradeoff applies:  The cheaper, the steeper!

I'm not suggesting there's any right or wrong here, or that anyone is *not* 
totally in tune with the SS2S vibe.  In fact, as usual there's been a wide 
response with lots of suggestions and options offered -- a win-win for all of 
us, and exactly what I've come to expect from this group.  I mainly wanted to 
tip my hat to Vicente, another guy who likes to build things from scratch while 
spending no more than he has to. 

Mark L.




-----Original Message-----
From: John Doe <waaslandwolf@xxxxxxxxx>
To: sugarshot <sugarshot@xxxxxxxxxxxxx>
Sent: Mon, Jun 30, 2014 5:19 pm
Subject: [SS2S-Main] Re: temperature controller with arduino

Either go with the PID if it meets your requirements on programming the 
temperature profile, or with the BCS brewing controller which certainly does.

What I've learned from years of developing electronics: if it already exists as 
a product, it is likely to be cheaper to buy it than to build it. The time 
saved can be invested elsewhere.

Which doesn't mean building isn't fun, educational etc, but if the product is 
only a small part of a programme, It's better to get it out of the way and 
proceed towards the bigger goal. When laying a 10.000 piece puzzle you don't 
want to make each piece by hand, you just buy them and focus on completing the 


Op 30-jun.-2014 om 15:16 heeft Vicente Alvero Zambrano 
<vicente_alvero_14@xxxxxxxxxxx> het volgende geschreven:

Your opinion is to use the existing PID device?

> Subject: [SS2S-Main] Re: temperature controller with arduino
> From: waaslandwolf@xxxxxxxxx
> Date: Mon, 30 Jun 2014 14:21:03 +0200
> To: sugarshot@xxxxxxxxxxxxx
> I agree with Peter. Trying to save a mere 180$ by developing a solution that 
> already exists isn't good use of resources. 
> > Op 30-jun.-2014 om 00:52 heeft Peter Johansson <rockets4kids@xxxxxxxxx> het 
> > volgende geschreven:
> > 
> > On Sun, Jun 29, 2014 at 6:36 PM, Vicente Alvero Zambrano
> > <vicente_alvero_14@xxxxxxxxxxx> wrote:
> > 
> >> My idea is to use an old oven heater like the picture.
> >> With respect to the PID controller, maybe it is cheaper to do it manually,
> >> without writing code.
> > 
> > One option to consider -- and an advantage to going with a homebrew
> > solution -- is to simply read a configuration file containing the
> > temperature profile and PID tunings over over the serial port.
> > 
> > This way you get the maximal possible control with the minimal
> > hardware cost and minimal software development time.
> > 
> > -p.
> > 


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