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Fredorch Rotary

Introduction​

The Fredorch Rotary (M1 series) is a BLE-controlled rotary sex machine with speed and motor control, pattern playback, and a structured packet protocol requiring a login handshake before accepting commands.

BLE Profile​

ble_names:
  - "M1_*"   # suffix varies per device
services:
  main:
    uuid: 0x0000ae10-0000-1000-8000-00805f9b34fb
    characteristics:
      tx: 0x0000ae01-0000-1000-8000-00805f9b34fb
      rx: 0x0000ae02-0000-1000-8000-00805f9b34fb

Packet Format​

All packets follow this structure:

[ 0x55, length-2, data..., checksum, 0xaa ]
  • length-2 — total packet length minus 2 (excludes the first 0x55 and final 0xaa)
  • checksum — 255 & (sum of all bytes between the first and last byte, exclusive)

Initialization​

Login Packet​

0x55 0x03 0x99 0x9c 0xaa

Password Packet​

Default password is 000000:

0x55 0x09 0x21 0x00 0x00 0x00 0x00 0x00 0x00 0x2a 0xaa

Commands​

Speed Control​

CommandCode
Speed up (S+)0x01
Speed down (S-)0x02
Motor up (M+)0x03
Motor down (M-)0x05
Stop0x24
Power toggle0x1f

Pattern Mode​

0x16 XX
  • XX — pattern index: 0x00–0x13 (0–19)

Changing speed while a pattern is active disables the pattern and returns to manual speed control.

Sources​