Fermentation temperature control, data logging and ambient temperature

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Ashman

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In the process of Building a fermentation temperature control system using the salus iT500 wireless heating controller (for residential boilers, etc).

logger:

Salus offer a http web interface to the device (zigbee) so I’ve just used a php script on a free web hosting to scrape temperature data(set and actual, date time) and dump to a csv file . A cronjob just triggers the script to collect data.

schedule:

Salus provide a free app for Android and iPhone. As a heating controller it’s got a 7 / day planner.

Heating /cooling:

It can be setup in either and it has relay outputs. I’m looking at using in heating mode. However, as it measures ambient how would I heat - attach to fermenter and use a greenhouse heater or use something like a brew belt/ pad ?

Maybe controlling a fridge in cooling mode would be a better option due to the measurement of ambient temperature?
 

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