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Motorbunny Classic Protocol

Introduction​

The Motorbunny Classic is a Bluetooth LE saddle vibrator with a separate rotation motor. Commands are 18 bytes with a mode byte, 7 two-byte data pairs, an additive CRC, and a fixed trailer.

BLE Profile​

ble_names:
  - "MB Controller"
services:
  - uuid: "0000fff0-0000-1000-8000-00805f9b34fb"
    characteristics:
      - uuid: "0000fff6-0000-1000-8000-00805f9b34fb"
        properties: [write]
        role: tx
        description: "Control command endpoint"

Packet Format​

MM D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 CRC EC
  • Byte 0 (MM): mode byte — 0xff for vibrate, 0xaf for rotate
  • Bytes 1–14 (D1–D14): 7 two-byte data pairs (speed or pattern parameters)
  • Byte 15 (CRC): additive checksum of bytes 1–14
  • Byte 16: always 0xec

Total packet length: 17 bytes.

Commands​

Vibration (constant speed)​

All 7 pairs set to the same value:

ff a1 14 a1 14 a1 14 a1 14 a1 14 a1 14 a1 14 f3 ec

Vibration Pattern (example — single spike)​

ff b3 64 02 05 47 50 01 32 00 00 00 00 00 00 e8 ec

Rotation (single direction, constant speed)​

Direction byte: 0x2a or 0x29:

af 2a 3e 2a 3e 2a 3e 2a 3e 2a 3e 2a 3e 2a 3e d8 ec

Vibration Off​

f0 00 00 00 00 ec

(6-byte form used for stop commands.)

Rotation Off​

a0 00 00 00 00 ec

Notes​

  • Speed range for rotation is 0x00–0xff.
  • Rotation direction is set by the byte at positions 1, 3, 5, … — 0x2a or 0x29.
  • Stop commands use a shorter 6-byte form rather than the full 17-byte packet.

Sources​