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2440_beep
- S3C2440通过脉宽调制控制蜂鸣器,通过频率变化控制声音变化
jiuhuchedeng
- 跑马灯和蜂鸣器的和程序,声音频率逐渐上升 -Marquee and the buzzer and procedures, the voice of a gradual increase in frequency
xunsheng
- 本程序用于利用3个声音传感器(mic头)及后接电路控制小车自动走向固定频率的音源处-This procedure for the use of three sound sensors (mic head), and followed by the automatic circuit control car into a fixed-frequency sound source at
报警声发生器程序
- msp430单片机产生两类声音频率信号,根据实际每类信号的单个周期内包含两种不同频率的方波信号。并且可以通过机械按键切换两类音频信号。(The MSP430 singlechip produces two kinds of sound frequency signals, including two square wave signals of different frequencies in a single period of each class of signals.)
例程2 蜂鸣器 定时器
- 从零开始学STM32,运用STM32控制蜂鸣器发出不同频率的声音,适用于有51单片机基础的新手。(Learn STM32 from scratch, use STM32 to control the buzzer to send different frequency sounds, suitable for beginners with 51 SCM basics.)