用于上位机和下位机通信的人机界面及串口接口程序

1602液晶万年历，用于装饰品上用，可采用AT系列单片机进行演示。-LCD calendar 1602 for the use of accessories, to be used in AT Series Singlechip demonstrated.

9054开发-9054 Development

proteus与单片机的联合仿真教程，希望对大家有所帮助。 -Proteus and MCU joint simulation tutorial, I hope all of you to help.

使用PWM6输出PWM信号，通过滤波电路实现DAC转换。-The use of the output PWM signal PWM6 through the filter circuit DAC conversion implementation.

1.2v镍氢电池智能充电器，内含C源代码，原理图以及PCB文档，采用△V方法检测电压变化。-1.2V Ni-MH battery smart charger, includes C source code, schematic and PCB documents, the use of △ V voltage change method.

GB码对应的unicode码。stb开发中能用的！-GB code corresponds to the unicode yards. STB development of usable!

pid控制的源程序，很不错的，请大家注意关注啊-pid control source, it is good, draw attention to concerns ah

ZLG7289键盘显示接口芯片是一个很常用的接口芯片，至需4个IO口接可以控制显示8位的数码管显示和64个矩阵键盘的自动扫描，效果很好。-ZLG7289 keyboard display interface chip is a very common interface chip, to take four IO access can be controlled mouth shows 8 digital tube display and keyboard matrix 64 automatically scans, very good.

440BX开发板 USB pd12通信测试程序-440BX Development Board USB pd12 communications test procedures

modbus通信协议范例,详细解答了modbus的通信方式,如读线圈、寄存器…-Modbus communication protocol example, detailed answers to the Modbus communication methods, such as reading coil, register ...