步进电机四轮驱动 -Stepper motor stepper motor four-wheel-drive four-wheel drive

单片机在使用KEIL调试时如何在STARTUP.a51里设置寄存器的源码.-Single-chip debugging using KEIL how STARTUP.a51 installed in the source register.

AVR单片机的TCP/IP源码-AVR TCP/IP source

AT24C256是ATMEL公司256kbit串行电可擦的可编程只读存储器，8引脚双排直插式封装，具有结构紧凑、存储容量大等特点，可以在2线总线上并接4片该IC，特别适用于具有高容量数据储存要求的数据采集系统。本文将介绍该IC的工作原理和与单片机的软硬件接口。-ATMEL Corporation AT24C256 is 256kbit serial electrical erasable programmable read-only memory, 8-pin double-line package, has a compact structure, characterized by large storage capacity can be 2-wire bus, and then 4 the IC, is especially suitable for high-capacity data storage requirements of the Data Acquisition System. This article will introduce the working principle of the IC and single-chip hardware and software interface.

　C8051F330/1 MCU 有一个可编程内部高频振荡器、一个可编程内部低频振荡器和一个外部振荡器驱动电路。可以通过对 OSCICN 和 OSCICL 寄存器编程来使能/禁止内部高频振荡器和调节其输出频率（参看振荡器框图）；可以通过对 OSCLCN 寄存器编程来使能/禁止内部低频振荡器和调节其输出频率（参看图9.3）。系统时钟可以由外部振荡器电路或任何一个内部振荡器提供。表9.1给出了内部振荡器的电气特性。 -C8051F330/1 MCU has a programmable internal high-frequency oscillator, a programmable internal low frequency oscillator and an external oscillator drive circuit. Can register on OSCICN and OSCICL programming to enable/disable the internal high-frequency oscillator and adjust its output frequency (see diagram oscillator) OSCLCN can register through the programming to enable/disable the internal low frequency oscillator and adjust its output frequency (see Figure 9.3). System clock can be external oscillator circuit, or any provision of an internal oscillator. Table 9.1 gives the electrical characteristics of the internal oscillator.

lcd测试程序，C51的-LCD testing procedures C51

msp430f2274的异步串口通信与lcd1602显示-msp430f2274 asynchronous serial communications and display lcd1602

利用HD66421实现灰度字符显示，keilC51编译环境-HD66421 realize the use of gray-scale character show, keilC51 compiler environment

环境测试仪的设计。该计环境测量系统能够充分发挥人性化的特质，利用SPCE061A的语音功能，配合传感器模组，实现带语音播报功能的环境测试。-Environment tester design. The measurement system of the environment can give full play to human characteristics, the use of SPCE061A voice functions, with the sensor module, realize voice broadcast function with environmental testing.

用C语言编写的对51单片机的非常准确的时钟程序可以显示年月日小时分钟秒-C language for 51 MCU very accurate clock procedures to date show hours minutes seconds