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皮莫羅尼pHAT BEAT
資料來源：https://www.seeedstudio.com/Pimoroni-pHAT-BEAT%3A-stereo-audio%2C16-RGB-LEDs%2C6-buttons-p-3008.html
Description
The ultimate audio add-on for your Pi! pHAT BEAT gives you high-quality, digital, amplified, stereo audio and 16 beautiful little RGB LEDs, in two rows of 8, that are ideal as a VU meter, and 6 buttons to control your audio.
We've taken the I2S mono DAC and amplifier that we used on Speaker pHAT and Picade HAT and... added a second one for stereo goodness. There's a nifty little DIP switch on the bottom of the board that lets you select either mono (left and right are blended through both channels) or stereo playback. The clip-in terminals make it super-simple to wire in your speakers.
The two rows of 8 APA102 RGB LEDs make the perfect VU meter, but can be coded to do whatever you wish, like displaying the steps on a step sequencer Drum HAT or Piano HAT, or just pulsing in time with the beat.
The six buttons on the edges of pHAT BEAT are linked direct to GPIO, and can be used for whatever you wish, although we've suggested some uses on the board, like rewind, play/pause, fast-forward, volume up and down, and power.
Use pHAT BEAT to create a gorgeous little radio for your desk, to stream music from iPhone with Airplay, or turn it into a collaborative Slack-controlled Spotify player for your office!
Features
dual I2S DAC/amplifiers for stereo audio (MAX98357A)
3W per channel
2x push fit speaker terminals
DIP switch to select blended mono or stereo modes
16 RGB LED pixels (APA102) in 2 rows of 8
6 edge-mounted push buttons
Compatible with Raspberry Pi 3, 2, B+, A+, Zero, Zero W
Software installer and ALSA VU meter plugin
Female header requires soldering
Software
We've created a nifty one-line installer to get your pHAT BEAT set up in the blink of an eye. It'll reconfigure your ALSA audio to route it out through pHAT BEAT and install our VU meter plugin to display the volume levels in real time (although you can disable this and code the LEDs yourself).
Our software does not support Raspbian Wheezy.
Technical Details
| Dimensions | 65mm x 30mm x 10mm |
| Weight | G.W 14g |
| Battery | Exclude |
Part List
| pHAT BEAT | 1 |
| 2 x 20 Pin female header | 1 |
描述
最終的音頻附加為您的Pi！ pHAT BEAT為您提供了高質量，數字，放大，立體聲音頻和16個漂亮的小型RGB LED，8排兩排，非常適合作為VU表，還有6個按鍵可以控制您的音頻。
我們已經採用了我們在揚聲器pHAT和Picade HAT上使用的I2S單聲道DAC和放大器，並增加了第二個用於立體聲效果的放大器。在電路板的底部有一個漂亮的小型DIP開關，可以讓您選擇單聲道（左右兩個通道混合）或立體聲播放。夾式接線端子使您的揚聲器連線非常簡單。
這兩行8個APA102 RGB LED是完美的VU表，但是可以編碼以做任何你想做的事情，比如在步進音序器鼓或者鋼琴帽上顯示步驟，或者只是在節拍的時間脈衝。
雖然我們已經提出了一些在主板上的使用方法，比如倒帶，播放/暫停，快進，音量調高以及音量調節，但是HAT BEAT邊緣的六個按鈕直接連接到GPIO，可以用於任何你想要的。下來，力量。
使用pHAT BEAT為您的辦公桌創建一個華麗的小型收音機，通過Airplay將iPhone上的音樂流式傳輸到您的辦公室，或者將其變成一個協作的Slack控制的Spotify播放器。
特徵
用於立體聲音頻的雙通道I2S DAC /放大器（MAX98357A）
每個通道3W
2x推入式揚聲器端子
DIP開關選擇混合的單聲道或立體聲模式
8行2列16個RGB LED像素（APA102）
6個邊緣安裝的按鈕
與Raspberry Pi 3，2，B +，A +，零，零W兼容
軟件安裝程序和ALSA VU計量插件
女頭需要焊接
軟件
我們已經創建了一個漂亮的一行安裝程序，讓你的pHAT BEAT一眨眼工夫。它將重新配置您的ALSA音頻，通過pHAT BEAT將其路由出來，並安裝我們的VU meter插件以實時顯示音量（儘管您可以禁用此功能並自行對LED進行編碼）。
我們的軟件不支持Raspbian Wheezy。
