On June 12th, Huawei's glory "Awaken Young Life" new product launch conference released three swords and fingers of healthy technology and tide products - glory body fat scale, glory bracelet 3 and glory sounding spirit. Among them, as Huawei's first body fat scale products, the glory body fat scale has received a lot of attention from netizens and the industry.
Overall, the body fat scale is really good, and it is also prominent in the hot products of the same price. Ultra-thin design + ultra-white tempered glass scale + ITO film measurement, can detect body fat rate, muscle mass, etc. 11 Body data, used with the Glory Body Fat Scale app.
Through dismantling, the internal circuit structure is relatively simple. The main control and fat-measuring chips are all from a Shenzhen enterprise, and they are equipped with four high-precision pressure sensors. The following officially begins.
First, the appearance of the product
The appearance adopts large-area ultra-white tempered glass panel, and the hidden ITO plating film is used to complete the body impedance measurement, replacing the common metal electrode film solution on the market, which not only improves the aesthetic design of the product, but also eliminates the need for the user to stand at the designated electrode. In terms of position, the measurement is more free and simple.
Concealed LED display effect, no need to worry about destroying the aesthetics of the scale design, the value is still clearly readable in the dark environment.
The glory body fat scale needs 4 AAA (seventh) battery power supply, and the bottom three small holes are the sound holes of the buzzer. When the battery is installed, the buzzer sounds to indicate the power on.
The scale foot adopts a movable “universal†design, which can better filter out the measurement error caused by the tilt of the scale even if there is a slight horizontal difference on the ground; large scale foot + matte design, scientific distribution center, anti-skid and anti-rollover .
Bottom parameter. The maximum weight can support 150kg, and the big fat can also be used with confidence, without worrying about stepping on it.
Some parameter information of Huawei Mall official website, AC test, frequency 50KHz; main control IC from Core Technology, is an integrated chip of MCU + Bluetooth.
Next, we enter an important dismantling session. The scale body of the glory body fat scale is fixed by the buckle. After removing a few screws, the plastic clips of the upper and lower covers can be opened by the plastic cymbals along the slit.
The upper cover (ie, the side of the glass scale) completes the core component design. As shown on the left side of the figure, the four corners are respectively four high-precision pressure sensors. The lower cover is made of ABS plastic material, and a large number of reinforcing ribs are used inside the upper and lower plastic cover plates for reinforcement treatment.
Point sensor for higher measurement accuracy.
The circuit board is coated with obvious moisture-proof oil on the surface and a Bluetooth antenna is integrated in the upper right corner.
The main control IC adopts CHIPSEA's CST34M97, which integrates functions such as weighing, Bluetooth, LED display driver, etc. It is reported that it is the first dual-core Bluetooth SOC body fat scale special chip in the scale field, dual-core CPU architecture, weighing and testing Bluetooth communication runs independently.
The lower right side of the main control is a FLASH chip, model FT25H04S, capacity 4MB.
The fat-measuring IC is also a product CS1256 from the core technology, using four-electrode + sine wave excitation BIA bioelectrical impedance analysis technology.
Remove the motherboard and the LED display side, as shown, can display four digits, Bluetooth, percentage and unit symbols.
Uncover the surface and you can see that there are 35 LEDs on the motherboard.
to sum up:Health is a big market, which has led to the development of health products in the years after the emergence of smart hardware. The main body weight scales for weight loss and fitness enable the public to begin to understand their physical condition in real time, more convenient and more detailed. At the same time, it is of great significance to exercise through data analysis and improvement of opinions.
However, the current homogenization of the intelligent body fat scale market has been very serious, and the products are mixed. As a latecomer to the market, Huawei’s glory has been high-profile, whether it is four high-precision sensors, or the movable scales are designed to reduce errors. The optimization of the algorithm for measuring data highlights the importance of the user's pain point of "precise measurement". Coupled with the addition of Huawei brand, the market performance of the glory body fat scale is worth looking forward to. Violent dismantling Huawei glory body fat scale: excellent circuit design, the main control system made in China
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