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Hgod Butterfly Love Protocol

Introduction​

The Hgod Butterfly Love (advertised as "AMN NEO") uses a 6-byte BLE command supporting pattern and direct speed control modes.

BLE Profile​

ble_names:
  - "AMN NEO"
services:
  - uuid: "0000ffe3-0000-1000-8000-00805f9b34fb"
    characteristics:
      - uuid: "0000ffe1-0000-1000-8000-00805f9b34fb"
        properties: [write]
        role: tx
        description: "Command endpoint"
      - uuid: "0000ffe2-0000-1000-8000-00805f9b34fb"
        properties: [notify]
        role: rx
        description: "Response endpoint"

Commands​

Pattern Mode​

55 03 01 00 XX 00

Where XX is the pattern index 0x00–0x0b. 0x00 is off.

Direct Speed Control​

55 04 00 00 00 XX

Where XX is speed 0x00–0x0f. Note: the motor stops increasing speed at some point before 0x0f.

The direct speed command only runs for approximately 1 second before stopping; the pattern command must be used for sustained output.

Notes​

  • At least one user reported that the device connects but cannot be turned off via direct control — behaviour with the vendor app was unknown.
  • The speed ceiling in direct mode is not precisely documented; testing is recommended.

Sources​