07 Jul 2016

Space Temperature Logger

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Somewhere, lurking inside the Makerspace is a small black box containing three AA batteries, an ESP8266-01 wifi board and a small custom made PCB with a few components and a Dallas DS18B20 temperature sensor. You might be able to find it, if you look. And, if you stare at it for long enough, you might briefly see a blue flash of light as it wakes from deep sleep, followed by a second, shorter, blue flash as it sends the current temperature reading to the “cloud” before going back to sleep again until next time. The chart above shows what has been recorded. For more details of how it was created see this post

Update Sep 2017: Code and PCB design files are now in the Makerspace Github Repo

Click here for a long term graph