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- 2017-07-06
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- 袁乾
Description: The foot tester is a popular daily exercise monitor that motivates people to challenge themselves, build up their fitness and help them lose weight. The function of the foot tester can be analyzed according to the human movement. The human movement can be analyzed by many characteristics. Unlike conventional mechanical sensors, the ADXL345 is a capacitive three axis sensor that captures the acceleration signals of human motion more accurately. The signal is filtered by low pass filter, and the A / D converter is used to sample the signal and convert the A / D. The software uses adaptive algorithm to implement step function, reducing the number of errors, and more accurate. SCM STC89C52 control LCD step state. The working current of the whole machine is only 1-1.5mA, and ultra low power consumption is realized.
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