PIC单片机与MAX517的串行通讯程序

代码为单片机与液晶模块的接口电路程序以及显示程序，适用于用单片机实现液晶模块显示的初学者-Code for the microcontroller and LCD module interface circuit procedures and display program for display LCD module with MCU for beginners

另外一个RC531非接触式读卡器的全部源代码，实现全部功能-another RC531 non-contact reader the full source code, to achieve full functionality

用于蓝牙开发！基于hci的编程，可实现单片机对蓝牙模块的控制，从而实现蓝牙主从设备的连接和通信！-for Bluetooth development! Based on HCI programming can be realized right MCU Bluetooth module control, thereby achieving Bluetooth equipment from the main connection and communication!

十进制转为BCD码的三种算法 详细请看程序，谢谢。-metric BCD to the three algorithms See detailed procedures, thank you.

功能：arm7平台的I2c驱动程序，硬件I2C软件包，利用中断方式操作。 * 说明：主程序要配置好I2C总线接口(GPIO、总线时钟)

串行驱动led显示- Serial actuates led to demonstrate

本设计以P89V51RD2FN单片机为电动小车的控制核心，采用MSA-LD2.0倾角传感器实时测量跷跷板的倾斜角，用ST198光电传感器检测黑色引导线监测小车运动。光电传感器和倾角传感器模块把实时测量信号馈送至单片机，利用专用细分芯片TA8435H驱动步进电机，以脉宽调制式斩波方式对步进电机步进角进行细分，控制和调节小车速度。采用增量式PID控制算法确保小车能够达到平衡；用RT128×64M液晶显示时间、角度等参数。经测试表明：小车各项性能指标达到设计要求，能够实现30秒内小车行驶到规定点，并保持跷跷板平衡；在跷跷板一端配重可调整的情况下，小车也能自动找到平衡点并保持跷跷板平衡。-The single-chip design for the electric car P89V51RD2FN control of the core, the MSA-LD2.0 seesaw angle sensor real-time measurement of the tilt angle, the detection of black ST198 photoelectric sensor to monitor vehicle movement and guide lines.Photoelectric sensors and angle sensors in real-time measurement module to feed the signal to the microcontroller, using a dedicated sub-chip stepper motor driver TA8435H to PWM chopper-type stepper motor on the sub-stepping angle, control and regulation vehicle speed. The use of incremental PID control algorithm to ensure that the car can achieve balance with LCD RT128 × 64M time, angle and other parameters.After the test showed that: the performance car

出租车计价 动态显示led 键盘 完整的流程图 设计过程-Taximeter dynamic display led full keyboard design process flow chart

这是监视器行业常见的键盘与球机通讯协议的C语言源代码-This is a common keyboard monitor industry with the ball machine communication protocol C-language source code

这是我大学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40多 个，心血啊！-This is my 4-year university has done the race, as well as the teacher