point3linear

使用LPC932制作的一款电表,程序注释详细，学习参考好资料，不可商业。(LPC932 produced using a meter, program notes in detail, with reference to good learning materials, non-commercial.)

说明窗函数为无限宽时，STFT无时域的定位功能；(Note when the window function for the infinitely wide, STFT positioning without time-domain function )

电能计量芯片CS5460中文资料 例程 资料 (CS5460 chip energy metering data)

矩阵键盘密码锁+简易计算器，C52的单片机平台，C语言开发，适用于初学学习。(Matrix keyboard lock+ simple calculator, C52 MCU platform, C language development, suitable for beginners to learn.)

基于STM32F103ZE开发板，双通道示波器，带ucosIII+ucGUI3.98源码，调试了好几天才调好。(Based on the STM32F103ZE development board, dual channel oscilloscope, with ucosIII+ucGUI3.98 source code, debug several days to adjust.)

说明：  基于STM32F407的超声波模块测距，增量式编码器（1/30减速比）实时测速，PWM输出控制直流单机，并通过OLED显示实时数据，同时也通过串口打印(Based on STM32F407 ultrasonic module ranging, incremental encoder (1/30 deceleration ratio) real-time speed measurement, PWM output control DC single machine, and display real-time data through OLED, but also through serial port printing.)

一个电表行业专用的基于645规约的电表485通讯抄表程序，可以进行485总线抄表，645规约测试。程序技术要点就是规约数据传输协议的处理，如向电表发送数据时的控制码和数据长度、发送的数据部分(数据标识 + 密码 + 数据)、应答帧长度、结束标志等通讯协议的处理值得大家学习。(A meter-based industry-specific statute 645 meter 485 meter-reading procedure can be carried out 485 meter, 645 Statute of the test. Procedures for the technical elements of the statute is to deal with data transmission protocols, such as sending data to the meter when the control code and data length, send the data section (data logo+ Password+ Data), response frame length, marks the end of the treatment protocol, etc. everyone deserves to learn.)

16*16LED点阵显示汉字的工程文件，使用4个74ls595进行行列驱动(16* 16LED dot matrix display Chinese characters in the project file)

一个16X16点阵的程序,用C语言写的,可以实现左跑马效果.(a 16X16 array of procedures, written in C language, can achieve results left Happy Valley.)

STM8L 的串口程序(STM8L serial program)