The born of Airwheel S8 — circuit design
 

Since Airwheel S6 inaugurated the age of dual ride mode of self-balancing electric scooter, Airwheel S8 has made improvements in various aspects. The core element for an electric scooter to operate normally is the chip and cell. As an electricity-assisted vehicle, Airwheel S8 complies with the physical laws. Riders control S8 to go forward, accelerate, decelerate, and brake, etc. by leaning forward or backward, as S8 is controlled by center of gravity. The importance of chip and cell is manifest.

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For those scooter players who have a good knowledge of tech and are proficient in refit (even though refit of self-balancing electric scooter is vehemently opposed), they know better that the inner structure is fairly complicated. Actually, the working principles of electric self-balancing scooter are clear and easy to understand. The circuit system belongs to the Hardware system. For the detailed circuit design, it can be analyzed as the following figure.
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The single chip is the core control module, followed by the driver module of electric motor. The following figure is a sensor module, with the accelerometer and gyroscope two parts. The whole working mechanism is as follows:

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After disassembling the base of Airwheel S8 self-balancing scooter, you will find there is only a battery, providing power for the scooter. That explains the size and weight of the battery. Airwheel S8 saddle-equipped electric scooter installs a branded lithium battery of 260Wh capacity.

Taking part the platform on the motor, we will see the hard core of self-balancing electric scooter, including charging circuit board and rotation direction sensor. The circuit board at the reverse side of charging port connecting the main control board provides electricity. The main control board of Airwheel S8 sitting posture self-balancing scooter can be seen as the brain to control balance and process command.

Adopting double 32-bit microprocessor chips to take charge of two gyroscopes, Airwheel S8 keeps riders and the scooter itself safe with double insurance. Even if one chip fails, the other balance chip system will immediately take over the work, to complement to each other as well as to ensure security.
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Complicated in inner structure, yet simple working principle. It mainly relies on battery to provide power and on gyroscope to realize self-balance. So far, self-balancing electric scooter has been widely applied to personal transport and daily entertainment. Please note that to ride intelligent electric scooter expertly requires practice and patience.

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