📦 基于单片机的带频谱显示的迷你蓝牙音箱设计 - 免费下载

市面上大部分蓝牙音箱的主要功能是对接收到的蓝牙音频信号进行解码,随后推动音频功率放大器进行音乐播放,很少出现能随音乐进行律动的、带多种显示效果的蓝牙音箱,为数不多的几款成本较高,体积也较大.通过一个8位单片机,搭配显示功能强大的LED驱动芯片、带功放的立体声蓝牙模块以及按键和喇叭,实现带频谱显示的迷你蓝牙音箱的设计,并通过对材料的选型、系统硬件设计以及软件流程的阐述,给读者一个更直观的理解.

The main functions of most Bluetooth speakers on the market are decoding Bluetooth audio signal and promoting power amplifier to play music. Bluetooth speakers with multiple display effects are rare.Though several are available on the market, they are expensive and large. This article has introduced a design of mini Bluetooth speakers with spectral display. This design uses one 8-bit MCU, with powerful LED drivers, stereo Bluetooth module with power amplifier, keys and loudspeakers. The reader should have a good understanding through material selection, hardware circuits design and software flow explanation.

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