Cubean
TX Line
| Byte Pos | Name | Hex | Meaning |
|---|---|---|---|
| 0 | Start Byte | 0x02 |
Start of frame |
| 1 | Temp Int | 0x29 |
41°C |
| 2 | Temp Deci | 0x00 |
.0°C |
| 3 | Heater PWM | 0x48 |
72 → 72/127 ≈ 56.7% heater |
| 4 | Exhaust Fan PWM | 0x40 |
64 → 64/127 ≈ 50.4% fan |
| 5 | Bitfield | 0xC0 |
Drum ON + Cooling Fan ON |
| 6 | End/Repeat Byte | 0x02 |
Often repeated start or padding |
RX Line
| Byte Pos | Name | Hex | Meaning |
|---|---|---|---|
| 0 | Start Byte | 0x02 |
Start of telemetry packet |
| 1 | Temp Int | 0x29 |
41°C |
| 2 | Temp Deci | 0x00 |
.0°C |
| 3 | Heater PWM Echo | 0x42 |
66 → 66/127 ≈ 52.0% actual heater output |
| 4 | Exhaust Fan Echo | 0x40 |
64 → 64/127 ≈ 50.4% fan output |
| 5 | Bitfield | 0xC0 |
Drum ON + Cooling Fan ON |
| 6 | Padding/Repeat | 0x02 |
Matches start byte |