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Fresh Intellivent Sky Bluetooth Characteristics

A list of known characteristics for this fan.

Connection flow

To be able to read and write to the device, you need to authenticate before reading/writing to other characteristics.

Characteristics

Name Format Read/Write
Device name (alias) String R/W
Sensor data R
Authenticate BBBB R/W
Humidity BBH R/W
Light/Odour BBBB R/W
Constant speed BH R/W
Timer BBBH R/W
Airing BBBH R/W
Pause BB R/W
Boost BHH R/W
Temporary RPM BH W

Device name (alias)

b85fa07a-9382-4838-871c-81d045dcc2ff

Format: String

Sensor data

528b80e8-c47a-4c0a-bdf1-916a7748f412

Format: Unknown (work in progress)

Authenticate

4cad343a-209a-40b7-b911-4d9b3df569b2

Format: 4 bytes

How to use

  1. Press power button on fan
  2. Press and hold WiFi button on fan 8 seconds
  3. The fan is now in "Pairing" mode
  4. Connect to the fan and read this Characteristic
  5. This value can now be used next time to authenticate by writing this value (4 bytes)

Humidity

7c4adc01-2f33-11e7-93ae-92361f002671

Format: BBH
B: Off/on (00/01)
B: Humidity detection (low: 00, medium: 01, high: 02)
H: RPM

Example

On, low humidity detection, 2071 RPM:
00001708

Light/Odour

7c4adc02-2f33-11e7-93ae-92361f002671

Format: BBBB
B: Light sensor off/on (00/01)
B: Light sensor detection (low: 00, medium: 01, high: 02)
B: Odour sensor off/on (00/01)
B: Odour sensor detection (no: 00, high: 01, medium: 02, low: 03)

Examples

Light and odour sensors off, no detections:
00000000

Light detection on, high light detection, odour detection on, high odour detection:
01020101

Constant speed

7c4adc03-2f33-11e7-93ae-92361f002671

Format: BH
B: Off/on (00/01)
H: RPM

Timer

7c4adc04-2f33-11e7-93ae-92361f002671

Format: BBBH
B: Running time in minutes
B: Delay active (disabled: 00, enabled: 01)
B: Delay start minutes
H: RPM

Airing

7c4adc05-2f33-11e7-93ae-92361f002671

Format: BBBH
B: Off/on (off: 00, on: 01)
B: ?
B: Minutes
H: RPM

Pause

7c4adc06-2f33-11e7-93ae-92361f002671

Format: BB
B: Off/on (off: 00, on: 01)
B: Minutes

Boost

7c4adc07-2f33-11e7-93ae-92361f002671

Format: BHH
B: Off/on (off: 00, on: 01)
H: RPM H: Seconds

Temporary RPM

7c4adc08-2f33-11e7-93ae-92361f002671

Format: BH
B: Off/on (off: 00, on: 01)
H: RPM

Will keep the speed you send in as long as you are connected. This will override all other modes.