lifeinabox-communication-protocol

BLE

• Service: 0000fee9-0000-1000-8000-00805f9b34fb
• Characteristic Notify: d44bc439-abfd-45a2-b575-925416129601
• Characteristic: d44bc439-abfd-45a2-b575-925416129600

Read battery capacity

Mobile terminal transmission

Start Code	Function Code	Data	End Code
0xAA	0x8E	0xFF	0x55

Box terminal reply

Start Code	Function Code	Data	End Code
0xAA	0x8E	0xXX	0x55

• 0xXX：Battery charge percentage and charging state

Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
Charging state	Battery capacity	Battery capacity	Battery capacity	Battery capacity	Battery capacity	Battery capacity	Battery capacity

• Charging state values:

  • 0: Discharged
  • 1: In charge

• Battery capacity:

  • Value Range at not charging status: 0000001~0100100
  • Value Range at charging status: 01000001~1100100

Read historical temperature

Mobile terminal transmission

Start Code	Function Code	Data	End Code
0xAA	0x8F	0xXX	0x55

• 0xXX: Past N hours
• Data range:
  • 0x06: Past 6 hours
  • 0x12: Past 12 hours
  • 0x18: Past 24 hours
  • 0xF0: Past 240 hours

Box terminal reply

Start Code	Function Code	Data lenght	Data	End Code
0xAA	0x8F	0xXX	0xXX...0xXX	0x55

• Data length 0xXX Data range:

  • 0x06: Data length 6 bytes, temperature in the last 6 hours
  • 0x12: Data length 12 bytes, temperature in the last 12 hours
  • 0x18: Data length 24 bytes, temperature in the last 24 hours
  • 0xF0: Data length 240 bytes, temperature in the last 240 hours

• Data 0xXX…0xXX：historical temperature Value Range: 0-255, means temperature range: 0-25.5℃. Such as: 0x15 means 2.1℃