Violent disassembly Fitbit flex

Last Monday, a group from the Szdiy community, a Victorian space for the firewood, a violent dismantling of Gao Lei's Fitbit Flex. The whole process is even used to industrial hot air gun. Below we have also experienced the pleasure of violent dismantling. Tool articles Speaking of tools, as our "dismantling people" Wang Big Brother, with dismantling tools must be professional. In addition to commonly used pliers scorpions, these two artifacts: Industrial hot air gun 2.USB microscope, used to capture tiny parts on board Dismantling process According to observation, the plastic head with the FITBIT logo is the joint of the remaining housing, so the first step is to make the outer casing with a hot air gun, and remove the plastic head marked with the FITBIT mark. First, it appears in front of us is its Bluetooth antenna (here there is no clear chart signage, you can look at the complete dismantling map), then we tried to pull the board directly, but found that the hardware is close to the tail. Did not pay hard, then try to continue to blow with a hot air gun, but in the end, it has to be destroyed and cut off the housing. It can be seen that the three contacts for the tail charge are inserted on the board through the pin, and the outer casing is also tight, causing us to dismantle the dismantling. After cutting the outer casing, all components of Flex liner can be clearly present in front of us. (Of course, this thing is still alive after being removed) Hardware Flex's hardware features mainly: 5 white point LED lights, a Bluetooth chip, a three-axis acceleration sensor, a vibrating motor, and a master chip, the tiny battery life can reach 5-7 days. It is surprising that there is also an NFC label inside, and the author is not known. The author may only be used for product recognition. Five LED lights are on a plastic shell with an antenna, and there is a black tape to tie it, the battery and the entire circuit board are tiered, and it is close to: The Bluetooth chip is used is Nordic NRF8001. Next, there are two unknown chips written with "NXE" and "Nai", where there is a suspected QR code on the NAI chip: The main control chip is the STM32L of the semiconductor. The battery capacity is not standard, and the visual inspection may be about 20 mAh. Finally, this is a comparison of Flex and a dollar coin. Now the technology can make electronics so small, you can imagine how much intelligent small objects will be around us.

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