SwitchRoom

• Three devices and three hubs in one room → one ESP32-S3 head on one PoE cable; its LoRa radio replaces the PanelSense hub
• EmberWatch needed an Edge Hub and a colour camera for vehicle masks → an electrical room has no vehicles, so the head runs the rise-rate tracker itself and masks people as warm shapes
• PanelSense's 32 x 24 array sees one cabinet → the 160 x 120 Lepton on the wall sees every breaker front in the line-up; the door node stays only for bare joints behind closed doors
• DustWatch's dust number could be read as a hazard reading → shown only as a trend against the room's own 7-day baseline, with the SHT40 mist flag
• Dust on the window blinds a thermal camera → EmberWatch's $0.25 HDPE film cartridge, a dust visor in the lid and a cowl that keeps the dust inlet facing down
• WetCheck's saw-water stations belong at the cutting bench, not in the electrical room → dropped from SwitchRoom and kept in DustWatch AI

Maintenance lead on callNight shift supervisorElectrical contractor

1. 01Trigger: sawdust that has drifted under MCC-3 starts to smoulder against a hot cable gland after the day shift
2. 02Detection: the Lepton tracks a floor spot rising 0.9 °C/min to 12 °C above its own baseline; the dust trend has been 3 × normal all week
3. 03Alert: WARN to the on-call phone with a thermal still, then ALERT and the relay contact to SCADA when it keeps rising
4. 04Action: the supervisor checks with a hand-held camera, isolates MCC-3 and clears the dust; the contractor re-terminates the gland next morning

Outcome: A smoulder found at hand-tool stage instead of a room fire, and the dust trend shows why cleaning moved from monthly to weekly (est.)