right PIC16F877 chip EEPROM data area of the display and write procedures and PI...

用单片机和数码管，构成数字时钟。可以设定时间和闹钟。-MCU and digital control, constitute a digital clock. Can set the time and alarm clock.

模拟I2C总线接口，实现I2C器件的发送和接受数据-Simulation of I2C bus interface, the realization of I2C devices send and receive data

12232液晶驱动和时间显示。矩阵键盘源代码-12,232 liquid crystal display driver and time. Matrix keyboard source code

zlg7289是一款很好的键盘驱动芯片，本程序用msp430单片机驱动。-zlg7289 is a very good keyboard driver IC, the procedure used MSP430 Singlechip drive.

基于nRF24L01的通讯程序，程序可在Keil C下编译-NRF24L01-based communications procedures, the procedures can be under the Keil C compiler

EDN板子做的1602显示时钟 温度，可参考-EDN board to do the 1602 show the clock temperature, may refer to

串行数码管显示，PCF8563实时时钟芯片使用源程序。在keil环境下编写。-Serial digital tube display, PCF8563 real time clock chip, the use of source code. Keil environment in the preparation.

用于C51的简单看门狗电路，易于大家调用-C51 for the simple watchdog circuit, we call easy

MSP430与TMP100 I2C温度传感器的接口汇编程序，在ti公司代码的基础上改进，可以直接使用。-MSP430 and TMP100 I2C Temperature Sensor Interface compilation process, in ti company based on the improved code can be used directly.

我自己做的给予ST公司的upsd3234a单片机的频率计。可以测量10K以下的频率。这是此频率计的自检程序，在KEIL上调试仿真通过。-I have to do to give the ST