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[Button control] fdddd DL : 0: 步进电机的速度控制通过单片机发出的脉冲频率来实现。软件分配方式，可以采用调整两个控制字之间的时间间隔来实现。硬件脉冲分配方式，可以控制步进脉冲的频率来调速。-stepper motor speed control of the MCU by pulse frequency is to be achieved. Software distribution, and the adjustment can be used to control two characters between the time interval is to be achieved. Hardware pulse distribution, and can be controlled stepper pulse frequency to the governor.
Date : 2008-10-13 Size : 3.3kb User : 琼
[Button control] fdddd DL : 0: 步进电机的速度控制通过单片机发出的脉冲频率来实现。软件分配方式，可以采用调整两个控制字之间的时间间隔来实现。硬件脉冲分配方式，可以控制步进脉冲的频率来调速。-stepper motor speed control of the MCU by pulse frequency is to be achieved. Software distribution, and the adjustment can be used to control two characters between the time interval is to be achieved. Hardware pulse distribution, and can be controlled stepper pulse frequency to the governor.
Date : 2026-01-04 Size : 3kb User : 琼
[Button control] 081001 DL : 0: VB燒錄程式透過UART介面可以燒錄程式到MCU中並檢測其功能是否正成-VB burning program can burn through the UART interface to the MCU in the program and test its function whether it is into
Date : 2026-01-04 Size : 15kb User : 蔡瑞鐘
[Button control] 6595c71c-86b4-4e89-b58b-ef2c821182e3 DL : 0: 本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal analyzer is based on a 32-bit MCU controller, through the AD converter for audio signal sampling, the continuous signal discrete, and then through the FFT fast Fourier transform computing, in the time domain and frequency domain of the various audio frequency signal weight and power, and other indicators for analysis and processing, and then through the high-resolution LCD display signals in the spectrum. The system can accurately measure the audio signal frequency range of 20 Hz-10KHz, the range of 5-5Vpp mVpp, resolution of 20 Hz and 100 Hz correspondent. Power measurement accuracy up to 1 , and be able to accurately measuring the periodic signal cycle is the ideal audio signal analyzer solution.
Date : 2026-01-04 Size : 193kb User : hhhhhhh123
[Button control] 2-(1) DL : 0: 应用c编写的用51显示时间，显示日期，年月日-for 51 mcu
Date : 2026-01-04 Size : 324kb User : dubing
[Button control] ASM DL : 0: 51汇编和机器码对照表,适合于深入研究单片机的朋友们-51 assembly and machine code table, suitable for in-depth study MCU friends
Date : 2026-01-04 Size : 15kb User : lcydusk
[Button control] pc-serial DL : 0: 上位机串口通信程序，能用单片机与上位机进行数据的传输-PC serial communication procedures, use MCU and PC for data transmission
Date : 2026-01-04 Size : 4.48mb User : 何自强
[Button control] 1 DL : 0: 这是一个循环电子结构，单片机方方面的，简单的，高级者无须看-This is a cyclic electron structure, MCU side aspect, simple, high-level who do not see
Date : 2026-01-04 Size : 2kb User : a1991928