Drinking
Posted on October 5, 2010
by norton 
0
A homemade thermostat attachment for a crock pot (or other electric heating device). It can be used to precisely control the temperature of the crock pot for things like yogurt fermentation.
How
The crock pot is attached to a relay that can switch it on or off. The relay is toggled by a microcontroller based on readings from a temperature sensor (thermistor) placed inside the crock pot.
Make your own Arduino-controlled yoghurt maker
Update:
this is interesting however it's a substantial amount of work for a beginner (me) and frankly there are many methods that don't require such extensive technological/electronic...
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Hunter:Gather:Cook
Nick Weston's adventures and experiments in sustainable, low-impact self-reliant living.
Here he talks about making his own beer and using hops in particular. Homebrew: Hops
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Drip irrigation is a more efficient way to bring water to your plants. Here, Eric shows you how to install a simple battery-operated system.
I plan to implement a similar system when we move to Hunagry. As I've discussed previously provision of sufficient water, for domestic & agricultural use, will be a major issue for us once we're there. We will need to employ any and all techniques that allow us to conserve, re-use, reclaim and use efficiently all water that we have. We'll use a combination of a rainwater-collection, grey-water and efficient irrigation systems in addition to developing practices...
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