Bureau of Pot Telemetry · Official Verdict
Establishing contact with the scale. It reports every five seconds, so this should not take long.
LAST SIGNAL AWAITING FIRST REPORT
† The scale's calibration is currently under review. Treat the grams as a mood, not a measurement.
Commissioned works division
No song is playing. The speaker is gathering strength.
EVERY STATE CHANGE COMMISSIONS A FRESH FIFTEEN-SECOND SONG. A RASPBERRY PI PERFORMS IT TO THE WHOLE OFFICE, OVER BLUETOOTH.
Scale and brewer observations only
OPERATOR OVERRIDES AND MANUAL SONG REQUESTS ARE RECORDED IN THE PRIVATE CONTROL ROOM, NOT HERE.
The permanent record
Dusting off the tiny gold records…
The signal chain
A smart plug meters the pot's power draw, polled every two seconds. When the wattage drops, the brew is done. Yes, this is the load-bearing sensor.
A load cell under the pot reports mass every five seconds and infers cups remaining. The inference is under formal dispute.
State changes commission a fresh fifteen-second song, which a Raspberry Pi performs over a Bluetooth speaker. There is no unsubscribe.
An e-ink panel in the kitchen redraws the situation every thirty seconds, in one-bit black and white, as news of this gravity deserves.