USBASP的源码，有例子和USB通信

8051F040的EEPROM程序，中断实现功能，可以移植到项目中。-8051F040 the EEPROM procedures, interruption of the realization of functions, can be transferred to the project.

51单片机扩展usb方安 51单片机扩展usb方安-51 Single-chip Single-chip expansion usb Mrs 51 Mrs usb expansion

单片机是52的，P0口连到四个数码管的七个管脚，其中两个冒号点为最后两个数码管的DOP点，P1.0至P1.3为四个数码管的选通端，低电平有效。程序2较完整，可实现设定时间功能。-Singlechip is 52, P0 port connected to four of the seven-pin digital tube, two of which point to the last two colon tube DOP-point digital, P1.0 to P1.3 for the election of four digital tube pass-side, active-low. 2 a more complete procedure, set the time function can be realized.

avr单片机，pcf8563时钟芯片源程序-avr microcontroller, pcf8563 chip clock source

iic prog for mcu ok in keil c

这是sitronix（台湾省公司）lcd驱动ic被应用在51低速单片机上的代码。-This is sitronix (Taiwan Province of the company) lcd driver ic used in 51 low-speed single-chip code.

USB芯片CH375的库文件，使用库文件可以方便地开发有关USB的项目-USB chip CH375 library files, use the library file you can easily develop a project related to USB

C51指令集是一关于8051指令的具体说明 包括了一些基本的程序实例-C51 instruction set is a 8051 directive on a specific description includes some basic examples of procedures

51单片机基础训练项目之简易计算器.功能：普通整型的加减乘除运算。可由读者自主学习并扩展至浮点运算。-51 MCU-based training program in the simple calculator. Function: ordinary integer addition and subtraction multiplication and division operations. Readers can be extended to self-learning and floating-point operations.

步进电机绝对零位控制装置 步进电机绝对零位控制装置 步进电机绝对零位控制装置-Stepper motor control unit absolute zero absolute zero stepper motor stepper motor control device controls the absolute zero absolute zero stepper motor stepper motor control device controls the absolute zero