蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的...

基于NRF905无线收发模块的无线按键程序-NRF905 wireless transceiver module based on the wireless key procedures

键盘和单片机，电脑通信，功能虽然简单，但是理解起来很容易-Keyboard and single-chip, computer communications, features, while simple, but it is easy to understand

T9 输入法. 可以方便地移值到单片机上使用. 可实验T9输入法.-T9 input method, which can transfer to singlechip system conveniently. It can implement the T9 input method.

nrf24l01的中文说明文档，方便开发-chinese documents of NRF24L01，provide convenience for development

fet440_wdt_02.s43 - WDT, Toggle P5.1, Interval Overflow ISR, 32kHz ACLK-fet440_wdt_02.s43- WDT, Toggle P5.1, Interval Overflow ISR, 32kHz ACLK

用汇编语言编写的基于单片机的温度测控程序，对温度变化进行监控，附带了电路图。-Using assembly language to prepare single-chip microcomputer-based temperature monitoring and control procedures to monitor temperature changes, with the circuit diagram.

2.4G 的通用无线控制，成本低于蓝牙.-Generic 2.4G wireless control, cost less than Bluetooth.

用于CAN源代码.rar的头文件,一个不错的例程.-for source code. Rar the first document, a pretty good routine.

用普单片机实现低成本高精度A_D与D_A转换关键词 单片机 　A/D转换 　D/A转换 　PWM(脉冲宽度调制)比较器-Pu realize low-cost single-chip microcomputer with high-precision conversion A_D with D_A Key words Single-chip A/D converter D/A converter PWM (pulse width modulation) comparator

用C语言编写的，用于读取FM1608存储芯片上的数据，并显示的数码管上。-With the C language, the FM1608 is used to read data on memory chips and displays digital pipe.