Support scale Renpho Body Fat Scale R-A001

[pabloscloud]

Scale name

Renpho Body Fat Scale R-A001

Read the general reverse engineer process

• [X] I have read the how to reverse engineer a Bluetooth 4.x wiki entry

1: Acquiring some Bluetooth traffic Attach 3 log files with the corresponding true values, read here for further information. btsnoop_hci.log btsnoop_hci.log btsnoop_hci.log

2: Find out the Bluetooth services and characteristic openScale_2023-01-28_16-44.txt

3: Analyse the Bluetooth protocol 1:

• frame 560: weight (17 89)

type	value
date and time	Jan 28, 2023 4:29:17 PM
weight	60.25 kg
bmi	20.9 kg
body fat	12.2 %
fat-free body weight	52.90 kg
subcutaneous fat	10.9 %
visceral fat	4
body water	63.4 %
skeletal muscle	56.7 %
muscle mass	50.25 kg
bone mass	2.65 kg
protein	20.0 %
bmr	1515 kcal
metabolic age	30

2:

• frame 568: weight (18 06)

type	value
date and time	Jan 28, 2023 4:34:18 PM
weight	61.50 kg
bmi	21.3 kg
body fat	12.8 %
fat-free body weight	53.63 kg
subcutaneous fat	11.4 %
visceral fat	5
body water	63.0 %
skeletal muscle	56.3 %
muscle mass	50.92 kg
bone mass	2.71 kg
protein	19.9 %
bmr	1540 kcal
metabolic age	29

3:

• frame 309: weight (18 e2)

type	value
date and time	Jan 28, 2023 4:39:37 PM
weight	63.70 kg
bmi	22.0 kg
body fat	14.0 %
fat-free body weight	54.78 kg
subcutaneous fat	12.4 %
visceral fat	5
body water	62.1 %
skeletal muscle	55.5 %
muscle mass	52.04 kg
bone mass	2.74 kg
protein	19.6 %
bmr	1553 kcal
metabolic age	27