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README.md

PWM Speaker Sample for Android Things

This sample demonstrates how to control a speaker/buzzer using PWM with Android Things.

Screenshots

PWM Speaker sample demo

(Watch the demo on YouTube)

Pre-requisites

Schematics

If you have the Raspberry Pi Rainbow Hat for Android Things, just plug it onto your Raspberry Pi 3.

Schematics for Raspberry Pi 3

Build and install

On Android Studio, click on the "Run" button.

If you prefer to run on the command line, from this repository's root directory, type

./gradlew pwmspeaker:installDebug
adb shell am start com.example.androidthings.driversamples/.SpeakerActivity

If you have everything set up correctly, you will hear the speaker play a series of notes. To play the tune again, re-run the app from AndroidStudio. If you prefer the command line, run again with

adb shell am start -S com.example.androidthings.driversamples/.SpeakerActivity

License

Copyright 2016 The Android Open Source Project, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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