搜索资源列表
4x4key
- 51单片机的4x4矩阵键盘扫描函数。 getkey()支持循环不停顿 getchar()等待按键 俩函数都能返回键值-51 single-chip 4x4 matrix keyboard scanning function. getkey () loop does not stop supporting getchar () function can return to wait for two key buttons
infrared-decode
- 遥控器红外解码数液晶显示 内容：按配套遥控器按键，液晶显示4组码值，分别是用户码 用户码 数据码 数据反码-Infrared remote control decoding the contents of several liquid crystal display: Press the matching remote control button, LCD display 4 code values are user-user code data code data
AD9850
- 方案: 系统组织部分: 信号发生芯片AD9850+单片机STC89C52+显示LCD1206+按键 芯片功能简单介绍(详细资料可参见21ic网站参阅.) AD9850采用DDS(直接数字频率合成)技术, 即输入频率值, 通过内部调制, 经DAC产生信号 理论上可产生0~40MHz的正弦波信号 在此设计运用上, 用户通过按键电路经单片机设置的频率值送至AD9850,产生正弦波信号. -Program: the system part of the organiza
sensor_for_temperature
- 使用了LCD1602液晶，温度传感器选用ds18b20，实现功能：显示当前环境温度，按键设定报警温度值，通过蜂鸣器报警，通过4个按键切换显示模式和设定数值。-Use the LCD1602 LCD, temperature sensor selection ds18b20, Function: display the current temperature, set alarm temperature button, the alarm through the buzzer by four bu
key-lcd
- 是键盘-lcd模块电路，使用了c8051f020的最小系统板和常用的LCD12864，采用独特的设计使得按键、12864、红外可以复用共20个端口，当然相应地编程上也有独特之处。主程序是为了实现显示按键输入，并按照输入对DA赋值的。同时pdf文档是按键-显示模块的电路原理图。-Is a keyboard-lcd module circuit, using c8051f020 minimum system board and common LCD12864, unique design makes
ScanKey
- 独立按键读取键值。通过扫描的方式把键值读取到单片机里-Independent key to read key. Way by scanning the chip inside the key to read
can04
- CAN自收发实验程序 数码管从右到左分别是1~4位。 数码管1、2位显示发送的数据，3、4位显示接收到的数据。 每按一次中断按键发送数据值增一。-Since the experimental procedure CAN transceiver digital control from right to left are 1 to 4. 2-bit digital tube display data sent, 3, 4-bit displays the received dat
keyval
- 通过按键设定初始值，主要运用于单片机开发，以及参与设计电源类题目使用。-Button to set the initial value by the main chip used in the development and use of the subject involved in the design power class.
AD9850test3.0Serial
- 基于51单片机的AD9850控制程序。通过串行数据传输，只需四个IO口，相对并行数据传输要少7个IO。另外，通过四个独立按键设置输出频率值。如果滤波模块效果好，则输出40M正弦波波形良好！-Based on 51 single-chip AD9850 control procedures. Serial data transmission, only four IO ports, parallel data transfer to the relatively small 7 IO. In ad
keyboard_test
- 测试一个键盘驱动,打开自己的驱动程序，然后就能得到按键的值-to test a keyboard driver,you can modify the driver as your own kdb driver, and you can get the key_vcalue int the editText
dianya5v
- 本程序可实现0-5v电压的侧量，并且通过按键设置报警电压幅值-This program can achieve 0-5v voltage side of the volume, and set the alarm through the key voltage amplitude
Matrix-keyboard-(scanning-method
- 矩阵键盘，通过扫描法确定按键的值，以通过测试，可直接调用-Matrix keyboard, by scanning method to determine the key value to pass the test can be called directly
4-4key
- 4×4按键， 常用的读出键值的方法有“查表法”和“反转法”。查表法的程序最为简短，但是稍多占用一点存储空间；反转法的程序执行速度最快，只是要求接口是双向的。-4 × 4 keys, keys used to read out the method of " look-up table" and " reversal." Look-up table of the most short program, but take a little bit more storage space reve
ps2jianpan
- ps2键盘在1602上的实时显示程序，按键选择，码值不全-ps2 keyboard in real-time display on the 1602 program, key selection code value of failure
AD-Volt-Meter
- AD电压表，设置三个按键，可先采集当前电压值所对应的数字量，再计算出当前环境下对应的转换值。源程序与Protues仿真都有。-AD voltmeter, set three keys can be collected before the current voltage corresponding to digital, and then calculate the current environment, the corresponding conversion values. Source
2440_key_driver
- s3c2440的简单按键IO驱动程序，用于读取基本的GPIO值-s3c2440 key driver
wd
- 万年历+遥控校时+整点提醒+温度显示+密码校对+遥控按键按键读值+步进电机应用，DIY个电子表，肩带使用-++ Remote control when the school calendar reminded the whole temperature display+ password+ proof++ remote control key buttons reading stepper motor applications, DIY electronic form, using the sh
3.4X3
- 万年历+遥控校时+整点提醒+温度显示+密码校对+遥控按键按键读值+步进电机应用不咋-++ Remote control when the school calendar reminded the whole temperature display+ password+ proof++ remote control key buttons reading stepper motor applications, when the school calendar++ remote control to
8255P8253
- 用键盘显示接口芯片8279接收按键键值，并在七段数码管上显示出来，通过判断键值进入相应音乐播放处理程序。在音乐播放程序中，使用定时器/计数器8253的计数器2，使其工作在方式¬ ¬ 3—方波发生器，通过查表依次取出乐曲频率值送入计数器作为计数初值，经out2输出方波，驱动扬声器发出不同频率的声音，在每个音阶之间加入相应的延迟时间，即实现了音乐的播放-8279 with a keyboard and display interface chip receives key key, an
51CHUANKOU
- 通过按键设置数码显示的值并通过串口传给另一单片机-Buttons to set the digital display by the value of the microcontroller through the serial port to another and