Water temperature
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Right now
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| Time | Temperature |
|---|
Pump and mister
0 % is off. Above that the pump always turns — the dead zone below 8 % duty is skipped.
A burst stops the pump, waits 8 s, mists, waits 5 s, then restores the pump — the pump's fan disturbs the mist.
Light
Capped at 1.5 A so the ring can never brown out the 5 V supply.
Light schedule
Without a valid clock — no NTP yet after a restart — the light stays on.
Temperature rules
First matching rule wins and overrides the light colour — even when the schedule says off, so an alarm is visible at night. 0.5 °C hysteresis stops flicker at the boundary.