ChillCheck Documentation¶
ChillCheck monitors the temperature of commercial refrigeration equipment — fridges, freezers, walk-ins — and alerts your team the moment something goes wrong.
This site covers everything from unboxing to passing an environmental health inspection.
Where to start¶
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New installation?
Follow the Getting Started guide to go from hardware purchase to live monitoring in under an hour.
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Hub showing offline?
Head straight to Troubleshooting for step-by-step diagnostics.
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Environmental health visit?
The Compliance guide explains how to export temperature logs in the format inspectors expect.
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Using the local hub UI?
The Hub UI reference covers everything at
http://chillcheck.local.
How ChillCheck works¶
Sonoff SNZB-02LD sensors
│ Zigbee radio
▼
Raspberry Pi 4 (your site)
├── Zigbee2MQTT – bridges sensors to MQTT
├── Subscriber – reads readings, fires alerts
└── Local UI – http://chillcheck.local
│ HTTPS / Supabase
▼
ChillCheck Cloud (app.chillcheck.online)
├── Dashboard – live temps, alert history
├── Settings – contacts, thresholds, billing
└── Compliance – exportable temperature logs
│ Resend / Twilio
▼
Your team (email, SMS, phone call)
Each site runs its own Pi hub. Multiple hubs can be linked to one account (Pro and Enterprise plans).