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--- xnorit:public:summary:freezermonitoringsystem [2024/10/13 12:12] – timdv91
+++ xnorit:public:summary:freezermonitoringsystem [2024/10/13 15:31] (current) – [Freezer monitoring system] timdv91
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 ====== Freezer monitoring system ======
-One of the first projects I did a couple years ago, was designing a custom freezer monitoring system. It's end purpose was monitoring -80°C freezer, but they where actually tested down to -196°C in liquid nitrogen.
+One of the first projects I did a couple years ago, was designing a custom freezer monitoring system. It's end purpose was monitoring -80°C freezer, but I tested them successfully in liquid nitrogen, down to -196°C.
 {{ :xnorit:public:summary:frost:ksnip_20241013-135153.png?400|}}
-The system communicates wirelessly with two gateways, by using a Zigbee mesh network between multiple nodes. Both gateways are operating 24/7, but the system does run perfectly fine on one gateway. The second gateway is purely redundant to reduce potential downtime.
+The system communicates wirelessly with two gateways, by using a Zigbee mesh network between multiple nodes. The system works perfectly fine on one gateway, meaning the second gateway is purely redundant to keep up-time as high as possible.
 Some of the collected live data is available at: [[https://grafana.xnorit.be/|https://grafana.xnorit.be/]]
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+I decided to use a mySQL database for data storage, combined with Grafana as GUI. I'm however in the process of merging all data in an Influx database for performance improvements.