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USB-keyboard
C8051F340实现的USB键盘源代码，包括物理按键键值的获取，USB底层协议的实现、USB数据传输的实现。(C8051F340 USB keyboard source code, including the acquisition of physical keys keys, USB underlying protocol implementation, USB data transfer is achieved.)
- 2013-09-12 15:12:01下载
- 积分：1
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eeprom
bs83b08a-3 eeprom 读写(bs83b08a-3 eeprom reader)
- 2014-04-18 10:34:31下载
- 积分：1
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SCA100T-128-code
SCA100T 通过ATmega128的SPI接口读取两轴角度值(The SCA100T by ATmega128' s SPI interface to read the two-axis angle value)
- 2020-12-21 16:29:08下载
- 积分：1
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cheng
滤波器广泛应用于数字信号处理、通信、自动控制领域,但设计可变宽频带有源滤波器则比较困难。利用单片机控制参数可编程的双二阶通用开关电容有源滤波器,精确设置有源滤波器的中心频率f，品质因数Q及有源滤波器的工作方式。本系统主要分为两个部分:即程控滤波器和程控放大器。程控放大器电压增益为40dB，通过单片机控制DA进行分压，可精确实现要求的10dB步进，误差小于0.5 ，通带为100Hz-500KHz，输入电压峰－峰值范围为10mV，在输入范围内无明显失真。由MAX264为核心的滤波器，可设置为高通、低通滤波器。通过单片机直接给出控制频率，使-3dB截止频率在1KHz-20KHz内可调，步进1KHz，误差小于1 。整个系统以52单片机为控制核心，电路简单，性能稳定，且具有较高精度，滤波参数调节通过单片机控制，较为方便。(Filters are widely used in digital signal processing, communications, automatic control area, but the design variable wideband active filter is more difficult. Control parameters using single-chip programmable universal switched-capacitor biquad active filter, active filter accurately set the center frequency f, quality factor Q and the active filter works. The system is mainly divided into two parts: the program-controlled filters and programmable amplifiers. Programmable amplifier voltage gain of 40dB, the DA through the partial pressure of single-chip control, can accurately achieve the required 10dB step, the error is less than 0.5 , passband to 100Hz-500KHz, input voltage peak- the range of 10mV, the input range no significant distortion. By the MAX264 as the core of filter can be set to high pass, low pass filter. Given directly by the microcontroller controls the frequency, the-3dB cutoff frequency at 1KHz-20KHz adjustable, step 1KHz, error is less than 1 . The entire system for)
- 2011-07-17 16:23:27下载
- 积分：1
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pwm
设置亮度值的增加和减少键，进行LED的亮度10级控制。(Set the luminance values of the increase and decrease of the key, and the brightness of the LED 10 control.)
- 2012-12-30 20:50:14下载
- 积分：1
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hwj
通过温度传感器获得温度值，并设定温度值，在温度值大于设定值时，单片机驱动风扇，降温。(The temperature value is obtained by temperature sensor, and the temperature value is set. When the temperature value is greater than the set value, the single chip computer drives the fan to cool down.)
- 2020-06-20 17:20:01下载
- 积分：1
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stm32P24l01
stm32单片机与2.4G无线模块nrf24l01的通讯程序，stm32f103VCT6发送stm32f103C8T6接收(Stm32 MCU and 2.4 G wireless module nrf24l01 communication program, stm32f103VCT6 sent stm32f103C8T6 received)
- 2015-05-17 22:51:16下载
- 积分：1
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AVR.C
AVR配套程序对AVR单片机初学者非常有用(AVR microcontroller AVR matching procedure is very useful for beginners)
- 2011-04-25 11:49:35下载
- 积分：1
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悬浮球+sinD
说明： 风洞悬浮球程序
本程序来源于正点原子例程
芯片为STM32F103ZET6
超声波测距模块SR04
ILI9341主控的320*240液晶屏
程序使用超声波测距模块SR04测量透明亚克力管子内风洞悬浮乒乓球的位置，
输出给ILI9341主控的320*240液晶屏上，在屏幕上画出球的位置曲线。
可通过串口1输入修改PID参数以及悬浮球目标位置(Translate by GOOGLE from Chinese
Wind tunnel suspension ball program
This program is derived from the punctual atomic routine
The chip is STM32F103ZET6
Ultrasonic ranging module SR04
320 * 240 LCD screen controlled by ILI9341
The program uses the ultrasonic ranging module SR04 to measure the position of suspended table tennis in a wind tunnel in a transparent acrylic tube.
Output the position to the LCD screen with 320 * 240 resolution, and draw the position curve of the ball on the screen.
Can modify PID parameters and hoverball target position through serial port 1 input)
- 2020-01-02 09:24:10下载
- 积分：1
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PC-stepper-motor
单片机实验PC端控制步进电机转速中，上位机部分关于串口通信定义的代码 (PC controlling the stepper motor speed host computer software code)
- 2012-04-20 21:52:29下载
- 积分：1
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