LED-BPM-Music-Visualizer
所属分类：数据可视化
开发工具：C++
文件大小：144KB
下载次数：0
上传日期：2019-11-05 21:39:03
上 传 者：
sh-1993
说明： Arduino程序，使用带音频信号输入的分压器电路在LED条上创建音乐波形...
(Arduino program that creates a music waveform on an LED strip using tension divider circuit with an audio signal input signal. The code filters the audio signal and calculates in real time when a beat is detected. This sends a pulse down the LED strip visualizing the beats of the song.)
文件列表:
LED_BeatDetection.ino (3313, 2019-11-06)
LICENSE (1066, 2019-11-06)
assets (0, 2019-11-06)
assets\circuit.PNG (169225, 2019-11-06)
# LED BPM Music Visualizer
## Ryan Kane
Arduino program that detects Beats from an 3.5 mm audio jack. [The source for the audio signal circuit and BPM filter code can be found here](https://www.hackster.io/Joao_Claro/arduino-beat-detector-d0a21f)
The program detects the beats in the song, and creates a waveform like wave down the string of LEDS.
### Circuit Diagram
The Arduino can read input signals from 0 - 5V DC, but the audio signal is an AC signal centered around 0V. Therefore, to stop the Arduino from only capturing the positive part of the signal, a tension divider is used to shift the signal center from 0V to 2.5V. The capacitor is used to stop the DC signal from traveling back toward the audio signal, which would possibly damage the Arduino.
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