This is a part of the aqua-tan tank management system.
https://github.com/omzn/smart_cooler https://github.com/omzn/smart_lighting https://github.com/omzn/smart_feeder
This monitor gets json responses from above units and displays them on the LCD monitor.
See the following tweet. https://twitter.com/omzn/status/1257613966240407554
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