KIZUNA SMART Protocol
Introduction
The KIZUNA SMART uses classic Bluetooth RFCOMM (serial over BT 2.x), not BLE. Commands are single ASCII characters terminated with \r\n.
Transport
- Protocol: RFCOMM (Bluetooth Classic / BT 2.x)
- Device name:
KIZUNA SMART
Commands
Query State
?\r\n
The app always sends ? before any other command. The device responds with:
?00\r
This is the only command confirmed to produce a device response.
Speed
Send a single ASCII digit character followed by \r\n:
0\r\n (stop)
1\r\n
...
9\r\n (max speed)
Mode
Send a single ASCII letter followed by \r\n:
a\r\n (mode 1)
b\r\n
...
i\r\n (mode 9)
Notes
- This is a Bluetooth Classic RFCOMM device, not Bluetooth LE. Connection handling differs from BLE devices.
- The app sends
?as an initialisation command before issuing speed or mode commands.