Fat scale module fat measurement program in how to achieve BIA measurement function?

We know that the most important thing is to measure body fat BIA measurements. BIA and the main principle of the measurement method is simply divided electrically conductive body fluids, muscle, adipose tissue and non-conductive, the electrode sheet issued by the extremely small current passes through the measuring body, if the high-fat ratio, the measured biological large resistance, and vice versa, the BIA is to measure the body fat rate via the transfer machine to do this. Thus, BIA method essentially measure the resistance body.

Fat measuring module is implemented BIA measurement function. It is an 8-electrode body composition analysis module, embedded in the body bioimpedance measurements (BIM) dedicated chip, supports 8 electrode impedance measurements, body composition embedded algorithm library that provides body fat percentage, muscle rate, water rate, basis metabolic rate, visceral fat level, protein, bone salt, body age, body score and many other parameters, in addition to providing right-hand man, torso, left foot fat percentage of 5 segments of arthropods, muscle percentage. 24bitADC processing load carrying unit providing the weight measurement precision. Providing UART interface (TTL) communicating with the outside.

Technology is the peak CSU18M88 chip bonding used in the test module lipid, which is a support electrode 4 aliphatic AC measurement, heart rate measurement, body weighing precision SOC. Chip includes body impedance measurement module BIM, 24bit Sigma-Delta ADC, 8K × 16 MTP bit program memory, 128 bytes of EEPROM, and 896 bytes of data memory.

Grease sensing module has the following features:
8 body impedance measuring electrode
single frequency 50KHz
serial body composition analysis result is directly output
26 human data
24bitADC load processing unit, the weight measurement precision
working voltage of 3.0V-6.0V
 

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Origin blog.csdn.net/peakcoo/article/details/102718452