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Updated How to reverse engineer a Bluetooth 4.x scale (markdown)

OliE
2019-01-15 21:34:57 +01:00
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How-to-reverse-engineer-a-Bluetooth-4.x-scale.md

@@ -3,7 +3,7 @@ The general procedure of reverse engineering a Bluetooth 4.x scale is as follow:
#### 1. Acquiring some Bluetooth traffic #### 1. Acquiring some Bluetooth traffic
1. Delete first on your smartphone any old `btsnoop_hci.log` 1. Delete first on your smartphone any old `btsnoop_hci.log`
2. Turn on the `Bluetooth HCI Snoop Log` developer option on the smartphone 2. Turn on the `Bluetooth HCI Snoop Log` developer option on the smartphone
3. Weight yourself with the original app and note down the corresponding exact true date/time with all other information (e.g. weight, water percentage, bone mass and so on). 3. Weight yourself with the original app and note down the corresponding exact true date/time with all other information (e.g. weight, water percentage, bone mass and so on). Also note your user information like sex (male/female), body height, activity level, and age.
4. Turn off the `Bluetooth HCI Snoop Log` developer option 4. Turn off the `Bluetooth HCI Snoop Log` developer option
5. Save the `btsnoop_hci.log` with a meaningful filename 5. Save the `btsnoop_hci.log` with a meaningful filename
6. Do step 1-5 at least three times again but with different weights (e.g. weight yourself while holding a crate of beer) 6. Do step 1-5 at least three times again but with different weights (e.g. weight yourself while holding a crate of beer)