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YiCiYuan Protocol

Introduction​

YiCiYuan devices come in 1, 2, and 3 channel variants. Speed values are in the range 0–20. The prostate massager oscillator (channel 1) does not start moving until level 6.

BLE Profile​

ble_names:
  - "???"
services:
  - uuid: "0000ff40-0000-1000-8000-00805f9b34fb"
    characteristics:
      - uuid: "0000ff41-0000-1000-8000-00805f9b34fb"
        properties: [write]
        role: tx
        description: "Channel speed command"

Commands​

Speed range per channel: 0x00–0x14 (0–20).

1-Channel Toy​

35 12 CH1 00 00

2-Channel Toy​

35 12 CH1 CH2 00

3-Channel Toy​

35 12 CH1 CH2 CH3

Where CH1, CH2, CH3 are speed values 0x00–0x14.

Notes​

  • The prostate massager oscillator (channel 1 on 2-channel variant) does not begin moving until level 6 (0x06).
  • BLE advertisement name is not documented.

Sources​