Magic trim (function 24)

A trim actuator. It reports whether its motor is present and turning, at what speed, what it is drawing, and the pressure measured on the port and starboard sides.

Published only (no commands). All frames expireAfterSec: 30.

Published

device/24/<i>/life

metadata adds counter.

data field	Type	Unit	Description
motorspinning	bool	—	Motor spinning
motorpresent	bool	—	Motor present
rpm	number (0 dec)	rpm	Motor RPM
current	number (1 dec)	A	Current
voltage	number (1 dec)	V	Voltage

{
  "data": {
    "motorspinning": true,
    "motorpresent": true,
    "rpm": 1500,
    "current": 12.5,
    "voltage": 24.3
  },
  "metadata": {
    "rxdate": "2026-06-17T14:30:45.123Z",
    "rxTimestamp": 1781793045,
    "expireAfterSec": 30,
    "counter": 7
  }
}

device/24/<i>/state

data field	Type	Description
pression_babord	number (0 dec)	Port pressure (raw)
pression_tribord	number (0 dec)	Starboard pressure (raw)

{
  "data": {
    "pression_babord": 120,
    "pression_tribord": 118
  },
  "metadata": {
    "rxdate": "2026-06-17T14:30:45.123Z",
    "rxTimestamp": 1781793045,
    "expireAfterSec": 30
  }
}

mosquitto_sub -h 127.0.0.1 -t 'device/24/+/#' -v