Another technical improvement to the brewery. I've bridged the gap between my Fermentrack instance that is controlling my Fermentation Chamber and my published website. With my previous setup I was taking gravity readings two times a day (morning and night) with my cell phone Tilt application. This required me to walk out to the brewery, open the Tilt app, wait for the bluetooth to sync, wait for the synchronization with Google Sheets (~2min total). This gave me two data points every ~24 hrs and resulted in clunky, unrefined fermentation curves.
To overcome this, I've configured and deployed a micro-controller (ESP32) with onboard WiFi/Bluetooth antennas that translates the Bluetooth signal coming from my Tilt Hydrometer into something that my Fermentrack instance can consume: WiFi. (Note: Fermentrack is capable of interpreting Bluetooth assuming the signal strength is strong enough to reach the hardware). I'm now able to capture a gravity/temp/time record every ~10 minutes! The additional data points will give me a much clearer picture as to how my beer/fermentation chamber are reacting throughout the fermentation process.
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Jamie WeissHomebrewer, Recognized BJCP Judge, aspiring Certified Cicerone Archives
November 2023
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