The world's top five smart watch solutions are revealed!
In the realm of smart hardware, smart watches are not new. Samsung Sony's smart watches have already achieved the second generation, but the shortcomings in battery life, application scenarios, industrial design and so on have made them always topical but not big sales. The emergence of moto 360 and Apple Watch this year is to make the topic of smart watches even hotter. In fact, smart watches are similar in function, mainly as a mobile phone's auxiliary screen to receive information or notifications, or to increase motion detection. In the past year, we also dismantled some smart watches in various markets around the world. We can use our eSeeker to see the difference in the hardware structure of their solutions.
Samsung Gear Fit
Gear Fit should not be regarded as a smart watch in a strict sense, but should be regarded as a smart bracelet for health monitoring and motion tracking, but it has an AMOLED display that can act as a secondary screen for mobile phones, displaying calls, short messages, etc. The general sports bracelet is more versatile.
Gear Fit's wrist strap is separated from the main body, and the main module can be removed directly from the strap. It's not complicated to disassemble it all, front and back plastic case, a display screen, circuit board and a battery. Support IP67 level waterproof, but the difficulty of dismantling is not high.
On the board side, one side of the Gear Fit motherboard is the main IC: Texas Instruments TUSB1211, USB 2.0 high-speed ULPI transceiver, MelfasMMS-136 touch chip, heart rate sensor temporarily does not identify the model and manufacturer information, Maxim's MAX77836EWZ micro USB controller and lithium Battery Charge Controller, and Realtek Semiconductor RT8016, step-down DC-DC converter.
The main IC on the other side of the circuit board: Ying Meisheng MPU-6500, six-axis gyroscope and accelerometer combination chip, Wanghong Electronics MX69V28F64 16MB flash memory, STMicroelectronics STM32F439ZI, ARM Cortex-M4 microcontroller, Toshiba TC358740XBG, Camera Bridge, Broadcom BCM4334, Wi-Fi, Bluetooth 4.0 and FM combo chip.
Galaxy Gear
Samsung's first smart watch, this watch supports voice calls, view information, step counters, and a 1.9 million camera on the strap, supporting autofocus independent photography. The structure is slightly more complicated, the light strap is divided into four parts, the metal buckle has two parts and two straps, and a section of the strap is also integrated with a camera view window; the camera module, the speaker module, the display mode Groups, boards, batteries, and enclosures.
IC on the motherboard is mainly concentrated on one side, Samsung's own Exynos4212, dual-core ARM Cortex-A9 Orion 4212 processor; STMicroelectronics STM32F401CB, 32-bit ARM Cortex-M4 microcontroller; using South Korea's Melfas MCS-8000 touch IC; Broadcom, BCM20702 Bluetooth chip; Yamaha YMU831 audio codec chip; Samsung's S5M8767 power management IC; Ying Meisheng MPU-6500's six-axis gyroscope and accelerometer combination chip.
Sony SmartWatch 2
Sony SmartWatch 2, there are two types of metal and plastic straps, with a metal strap is also a major feature of SmartWatch 2, the metal strap is disassembled and the metal strap of the ordinary watch is disassembled, which can be broken into two straps. A section of buckle and four raw ears (small steel rods with fixed straps), except for the strap, have screens, motherboards, batteries, and NFC modules.
SmartWatch2 motherboard side: Austrian microelectronics AS3677 backlight driver, STMicroelectronics STM32F429 ARM 32-bit Cortex-M4 microprocessor and Micron's P-SRAM, Bosch BMA250 three-axis MEMS accelerometer and Asahi Kasei AK8963 three-axis electronic compass.
The other side of SmartWatch2 motherboard: Toshiba THGBM5G5A1JBAIT 4GB flash memory, Texas Instruments TPS657202 power management chip, STMicroelectronics STLC2690 Bluetooth / FM chip, SmartWatch2 battery is directly soldered on the circuit board.
To learn more about intelligent hardware solutions, please pay attention to the topic of ARM of the core technology of the Internet of Things.
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