c51控制1602液晶显示，适合初学者，硬件测试可用，附含1602液晶说明...

单片机的24C02读写程序,使用Keil c编译器测试正常。-the 24C02 microcontroller literacy, the use of Keil c compiler tests are normal.

modbus的单片机程序。应用于单片机通信。-Modbus Microcontroller procedures. Applies to single-chip communications.

仿真AT24CXX的KEIL C51源程序，与psmain5.9.23.rar和shengfangagsi5.9.22.rar一起工作，都是原创-KEIL C51 source, and with psmain5.9.23.rar shengfangagsi5.9.22.rar work together, are originality

mega32＋N298电机控制芯片, 通过控制电机的IN1和IN2改变方向, pwm控制速度。 IN1和IN2不同时，电机转动 IN1和IN2相同时，电机急停。 -mega32+ N298 motor control chip, by controlling the motor IN1 and IN2 to change direction, pwm control speed. IN1 and IN2 are not the same time, motor rotation IN1 and IN2 are the same, the electrical emergency stop.

单片机串口通信以及步进电机的c语言程序，为学习单片机和嵌入式开发的人提供帮助-Microcontroller serial communication, as well as stepper motor c-language program, in order to study the development of microcontroller and embedded in helping people

一个CPU卡读卡器源代码，接口全部由单片机IO模拟实现，成本极低-a CPU card reader source code, microcontroller interface all IO simulation, low cost

12864标准程序，方便大家学习，里面有两个12864的显示程序-err

PIC BASIC Pro Dvelopment Suite

4对于进入密码锁的钥匙，假设复位后8个LED全亮，并使用sw1、sw2两个，然后sw2-> sw1-> sw1-> sw2，则表示解锁右侧会导致8个LED全暗。

单片机C语言音乐程序的源程序（KeilC代码）- Monolithic integrated circuit C language music procedure source program (KeilC code)