基于单片机的电子秤设计与制作

Design and Manufacture of Electronic Scale Based on Single Chip Microcomputer

电子秤在我们生活中使用价值越来越大。基于STC89C52单片机设计一款简易的电子秤,实现了电子秤的基本功能。硬件电路主要采用模块化设计,分别包括单片机最小系统、LCD1602液晶显示模块、HX711模数转换放大模块、矩阵键盘输入模块和压力传感器模块。通过电路设计与仿真,完成原理电路设计。在进行电路实物焊接后,进行各项功能测试,满足使用要求。

Electronic scales are becoming more and more valuable in our life.A simple electronic scale based on STC89C52 microcontroller is designed,which realizes the basic functions of the electronic scale.The hardware circuit mainly adopts modular design,including the minimum system of single chip computer,LCD1602 LCD module,HX711 analog-to-digital conversion and amplification module,matrix keyboard input module and pressure sensor module.Through circuit design and simulation,the principle circuit design is completed.After the physical welding of the circuit,various functional tests are carried out to meet the application requirements.