Tag Archives: pachube

New Temperature Monitor

I’ve re-made the compost temp sensors to conform to our original design of stabbing probes.  I was having difficulty choosing a non-conductive housing for the  probes that could give accurate measurements along its length,  until I remembered that my favorite plastic, polyethylene, is mostly transparent to infrared.  Duh, that’s why I make solar balloons out [...]

Monitoring Compost, pt.1 (what we’ve got)

There is no substitute for the complexity of human senses.  Quantitative data is cannot stand in for direct experience with compost.  But it does provide a means of directly comparing processes and feedstock mixes, as well as real-time feedback for  control.   Lacking  grad students or interns we have only robots to exploit (for now…).  To [...]

the internet of decomposers

I’ve just installed an Arduino-based temperature logger at five points in our compost pile, proving the obvious: it’s hotter on the sunny side and hottest in the middle.  Details tomorrow, but check out these sweet dashboard widgets!

Emergency Sanitation Workshop This Saturday

We'll be doing a 45 minute workshop on Saturday June 2nd @ 2pm at King Elementary School as part of Resilience PDX.org
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