Cubean
Cubean TX Protocol (Controller → Roaster)
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Direction: Arduino/controller → Cubean roaster
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Rate:
9600 baud, 8 data bits, no parity, 1 stop bit (SERIAL_8N1) -
Interval: Sent every ~200ms
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Packet Length: 11 bytes
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Structure:
| Byte Index | Hex | Meaning |
|---|---|---|
| 0 | FE | Start byte 1 |
| 1 | EF | Start byte 2 |
| 2 | 00 | Unused/reserved |
| 3 | 00 | Unused/reserved |
| 4 | 5A | Drum/Cooler/Fan state (bitfield?) |
| 5 | 64 | Heat power (0–100 decimal) |
| 6 | 02 | Unknown, possibly a mode ID |
| 7 | 76 | Fan speed (0–255 scale) |
| 8 | AA | Marker |
| 9 | 55 | Marker |
| 10 | 22 | Checksum or end byte |
Cubean RX Protocol (Roaster → Controller)
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Direction: Cubean roaster → Arduino/controller
-
Rate: Same UART config:
9600 baud,SERIAL_8N1 -
Interval: ~200ms
-
Packet Length: 11 bytes
-
Structure:
| Byte Index | Hex | Meaning |
|---|---|---|
| 0 | FE | Start byte 1 |
| 1 | EF | Start byte 2 |
| 2 | 0X | Temperature high nibble (BCD/hex?) |
| 3 | YY | Temperature low nibble |
| 4 | 00 | Unknown |
| 5 | 00 | Unknown |
| 6 | 00 | Possibly status byte |
| 7 | 00 | Possibly another status byte |
| 8 | AA | Marker |
| 9 | 55 | Marker |
| 10 | XX | Checksum or data byte |
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