说明：  HX711是一款专为高精度电子秤而设计的24位A/D转换器芯片。与同类型其它芯片相比，该芯片集成了包括稳压电源、片内时钟振荡器等其它同类型芯片所需要的外围电路，具有集成度高、响应速度快、抗干扰性强等优点
(HX711 is a 24 bit A/D converter chip designed for high-precision electronic scales. Compared with the other types of chips, the chip integrates the peripheral circuits required by other same types of chips, including the voltage regulator, the on-chip clock oscillator and so on. It has the advantages of high integration, fast response and strong anti-interference.)