eagle circuit for MP3 expander

家用热水器，用汇编编写，支持代码贡献机制，好东西大家分享-Household water heaters, with the compilation prepared to support the code contribution mechanism to share good things

网上找到的PCF8563程序基本不能用 本程序基于51单片机，模拟了I2C接口，现已调试成功，可以做成万年历了

三种单片机的区别,文中详细介绍了三种单片机的区别和使用范围-The distinction between three types of MCU, the text describes in detail the distinction between three types of MCU and the use of

该设备是一款基于AVR mega16L单片机的电子书阅读器，它除具有传统的阅读电子资源功能外，还能通过PS2接口与PC键盘连接，使用普通PC键盘输入信息，进行文本录入；使用LCD12864液晶作为显示器，它还可以用VB专门为之编写的下载软件通过串口下载TXT格式的文本资源。电子书资源存储在AVR公司生产的AT45DB021B闪速存储器，它有2M存储空间，可满足一般用户需要，当然也可升级为大容量存储器。 该设备功能强大，将电子书阅读器发挥到了极致，能满足用户特殊需要。 -The device is a single chip based on the AVR mega16L e-book reader, which in addition to the traditional functions of reading electronic resources, but also through the PS2 interface to connect with the PC keyboard, use an ordinary PC keyboard input information, the text input use LCD12864 LCD as a display, it can be prepared by specialized VB download software through the serial port to download TXT format text resources. E-book resources are stored in the AVR produced AT45DB021B flash memory, it has 2M storage space to meet the needs of general users, of course, can also be upgraded to a large-capacity memory. The device is powerful and will play an eBook reader to the extreme, and to meet the special needs of users.

基于MSP430单片机的1602液晶驱动子程序 使用时首调用初始化，然后就可以写指令和数据了。内含文档及注释。-Based on MSP430 MCU 1602 LCD Driver Subroutine used to initialize the first call, and then be able to write instructions and data. Containing documents and notes.

单片机AT89S52实现的玻璃厚度控制，有2*4键盘，6位数码管显示，程序的注释较详细-SCM AT89S52 achieve control of the thickness of the glass, 2* 4 keyboard, six digital tube, the procedure in more detail Notes

是一些单片机的串口通信程序，用C语言编写。-Is the number of single-chip serial communication program, using C language.

PCF8563时钟芯片的驱动 头文件用mega16单片机-PCF8563 clock chip-driven header files using SCM mega16

51单片机控制AD9851产生20HZ-1MHZ的正弦波，并且实现了按不同步进频率扫屏-51 single-chip AD9851 produced control 20HZ-1MHZ the sine wave, and realize a different step frequency sweep screen

GUI快速生成，12864LCD，支持多级菜单，支持Mega系列单片机-Express GUI generation, 12864LCD, support multi-level menu, support Mega Series MCU