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[assembly language] GLFDQ DL : 0: 为51单片机控制的音响功放板一．带有3路外接音频信号输入： 1. 音频信号输入，可通过音频线输入CD、电脑、手机等音频信号。 2. 自带数字收音模块输入。 3. 通过3P针座预留外接输入。 4. 通过一个2P针座向外提供5V电压，一个2P针座提供单片机串口。二．实现音频信号左右两路声道信号输出，可通过外接12V电压，1A以上适配器供电。或者通过8-10V交流电压供电。三．由4位数码管显示，10个LED灯在无音频信号时为跑马灯模式；有音频信号时LED灯跟随信号强弱闪烁。-Audio power amplifier board controlled by 51 single chip microcomputer One with 3- way external audio signal input: 1 audio signal input, can be input through the audio line CD, computer, mobile phone and other audio signals. 2 built-in digital radio module input. The 3 seat reserved by 3P external input. 4 through a 2P hub to provide 5V voltage, a 2P hub provides serial. Two. The implementation of audio signal about two channel signal output, 12V voltage through an external power adapter, 1A. Or through the 8-10V AC voltage power supply. . by the four digital tube display, 10 LED lights in no audio signal for the marquee model audio signal LED lights follow signal intensity flicker.
Date : 2025-12-31 Size : 56kb User : 刘成意