Predictive Sensing: Catch Failures Before They Happenintermediate · ~90 min
Cold Chain Guardian — Catch a Dying Fridge Before Your Food Thaws
You'll walk away with: A guardian for your fridge or freezer that Claude Code built — an ESP32 reading air temperature, coil temperature, compressor current and door state, publishing over MQTT to a small trend analyzer that learns the appliance's normal rhythm and pushes you an early warning when the compressor starts working harder or pulling down slower, well before the food actually gets warm.
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