After a year, Motorola released the second generation of the smart watch Moto 360, which was sold in 1999 yuan. The 360 ​​second generation has not changed significantly in the appearance of the circular design of the predecessors. The black chin still exists. The difference is that the position of the crown is moved to the oblique position above 2 o'clock, adding rose gold. Version and a narrower strap specially designed for women (although the 42mm dial diameter is still not suitable for a large number of female users), the original wristband has a quick release lever for easy replacement of the watch at any time. band.
As a benchmark for Android Wear, the second representative has no significant changes in appearance and function. Is there any improvement in internal structure and hardware design?
This time eWiseTech dismantled the men's moto 360 second-generation smart watch with a 46mm dial, model number 306L.
It is made of 22mm wide leather strap made by HORWEEN LEATHER and equipped with stainless steel buckle.
The quick release lever on the strap allows the user to change the strap at any time.
The bottom part of Moto 360 II is made of glass + polycarbonate. The first generation uses a single piece of polycarbonate material, which is relatively fragile and easy to wear. The second generation of the outer casing outer ring is made of polycarbonate material, the wireless charging contact surface is made of glass material, and both parts are bonded with waterproof foam rubber.
Remove the glass back cover and you can see the wireless charging coil and the heart rate sensor in the middle.
Figure 5
Glass back cover surface.
Waterproof foam adhesive on the back of the glass back cover.
The charging coil is soldered to the main board by two copper wires.
The second generation of moto 360 uses a lithium-ion battery produced by LG, with a voltage of 3.8 volts and a capacity of 400 mAh. The battery model is SNN5962A.
The motherboard cover is made of black PC material, and the Bluetooth 4.0 antenna with LDS technology is installed on the bottom of the cover.
The wireless charging coil is removed, and a layer of adhesive that is not very adhesive is used between the coil and the main board. The center position of the main board is the heart rate sensor. The first generation moto 360's charging coil is connected to the heart rate sensor and connected to the motherboard through a connector, while the moto 360 second generation charging coil is separated from the heart rate sensor.
The front surface of the main board is covered with a shielding frame, and the shielding frame is covered with a metal shielding cover. On the main board, almost all the chips except the heart rate sensor are covered under the shielding cover.
The dial of the moto 360 generation is fully preheated and can be easily removed from the top. For the second generation, the power button on the side of the case and the fixing nut on the inside of the case should be taken first, and then the metal frame on the front of the dial should be preheated. Push the dial with your finger to separate the stainless steel case from the protective glass. Since the stainless steel case is also inlaid with a golden rim, the display module is not completely separated like the moto 360 generation. Later, the engineer took a lot of effort to remove the display module and remove the display module. The process caused deformation of the panel and breakage of the soft board.
The display module in the 46 mm dial uses the same 1.56-inch TFT panel as the previous generation. The resolution is increased from the previous generation 320X290 to 360X330, and the PPI is 233, which is more delicate than the previous generation. Unfortunately, as with the previous generation design, due to the presence of ambient light sensors, there is an obvious black area at the bottom of the screen.
Like the Moto 360 generation, the MTX112S touch chip from Atmel is used.
The third generation Corning Gorilla protects the glass.
The Moto 360 second-generation motherboard is produced by COMPEQ. All the chips are basically integrated on one side of the PCB. The solution of the whole machine has been changed from the original OMAP3630 to the Qualcomm APQ8026.
Motherboard chip :
Poi package Hynix 512MB memory + 4GB flash memory chip + Qualcomm APQ8026 quad-core processor; Qualcomm's PM8226 power management chip; ST's STM32L476JG ultra-low-power MCU; TI's BQ51052B battery management chip and AFE4404 heart rate sensor chip, Broadcom WiFi, Bluetooth, A4WP wireless charging and FM combination chip, the chip supports Bluetooth connection in the moto 360 and A4WP wireless charging function.
Collection diagram
to sum up:
Overall, the design of the moto 360 second-generation smart watch is not much different from the previous generation, but the details of the user experience have indeed improved: the crown has moved from the right middle position to the upper right, which has improved the distribution to some extent. The comfort of the belt and the convenience of operation; the strap adds a quick release lever design to facilitate the user to change the strap at any time; the display resolution is improved to make the display more delicate. Unfortunately, due to the design of the ambient light sensor, the touching black chin at the bottom of the screen still exists.
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