The bracelet of the small e stock is coming again. This time is a very colorful FITBIT INSPIRE HR. A dial design that seems to have a ribbed and sleek sleek, as well as small fresh colors. In fact, in addition to the changes in the appearance, this FITBIT INSPIRE HR also has a good performance in terms of waterproof. That Today, Xiao E has to take everyone to see the bracelet of this strength and color.
Configuration list
First, you still have to look at the basic parameters of the bracelet. This also spacked the main components of this bracelet.
SOC: CY8C68237FM-BLET MCU
Screen: 1.8-inch OLED screen resolution 128x72
Battery: 46mAH lithium polymer battery
Features: 5ATM grade waterproof | heart rate sensor | battery life time up to 5 days
More detailed size weight and other information are to go to the small E home EWiStech searcher search for this device for more information.
Dismantlement step
The strap of this bracelet adopts a detachable design secured by metal buckle, which is also convenient to replace the strap.
The top shell is fixed to the top shell through a circle gum and also has a waterproof rubber ring. The top shell screen protected glass is curved, and the antenna is located on the top of the top. Connect to the motherboard by the shrapnel.
The screen is fixed by double-sided adhesive, and the screen's connector is located on the back of the motherboard, so you need to remove the motherboard first. Can complete the screen completely.
The motherboard is fixed through the 4-angle snap, and one side snaps are directly riveted, and can only be taken to remove the motherboard.
In fact, it is not only the screen, and the heart rate sensor is also secured to the back of the motherboard with the soft board, and the black tape is fixed in the interface. Disconnect the screen to separate the screen from the motherboard from the table. There is a heat dissipation in the back of the screen. The vibrator is fixed directly on the motherboard.
Here we can see this 1.8-inch, 128x72 resolution OLED screen.
After removing the screen and the motherboard, you can see that the battery is fixed by both sides of the white gel.
Battery 46mAh lithium polymer battery.
The battery is connected to the soft board by solder joints, and the battery can be seen that this soft plate is fixed to the heart rate plate in the welding form. The solder joint of the charging contact can also be seen on the side of the heart rate plate. The four corners of the heart rate plate are directly riveted on the back cover.
The fixer is fixed naturally inseparable from the magnet. The magnet is fixed using the same white glue at the bottom of the outer casing.
After removing the heart rate sensor board, it is the last step to remove the button, and the metal sheet is used in the inside of the case to secure the button. Remove the button to remove the metal piece. After the removal, you can find that both sides of the button are assembled, and the button is used with two laps waterproof rubber circles.
Motherboard information
Motherboard picture
Heart rate sensor plate forward
The MEMS chip information used in the whole machine is shown in the table below:
Of course, this does only have some chip information of the sensor, you want to know the chip information in the more bracelets, as well as detailed parameters of each module, you can go to Ewistech.
Summary information
There is no screws in the entire bracelet, all of which are fixed through the glue and snaps. There are not many components, and the vibrator is also directly fixed to the motherboard, and only one antenna is fixed on the top case. The heart rate sensor is connected to the motherboard through a soft plate. The battery is also attached to the soft board by solder joints. The motherboard and heart rate sensor board are directly riveted in the bracelet and will not move due to external force collision. The internal waterproof in the bracelet is mainly achieved by waterproof rubber circles and waterproof.
Source: ewistech
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