狭义上而言，嵌入式系统是指以应用为核心，以计算机技术为基础，软硬件可裁剪，适于应用系统对功能、可靠性、成本、体积和功耗严格要求的专用计算机系统。一般嵌入式系统的设计过程是：从产品定义开始，接着进行硬件设计，然后将软件或操作系统移植到硬件上，并且进行应用程序的开发，最后经过测试与调试后即开始销售或使用。-Narrow sense, the embedded system refers to the application as the core, computer technology, har

hx7-HX711 using the technology of the sea core technology integrated circuit, is a high precision electronic scale and design of 24 bit A/D converter chip. Compared with the other same types of chip, the chip integrated regulated power supply, on-chi