Install Alexa on Raspberry Pi 4

Here's how you can turn your raspberry pi 4 (or 3) into an Amazon Alexa. It's even easier than a Google Assistant and has lots of applications. Subscribe for more Raspberry Pi tutorials :) https://www.youtube.com/samwestbytech?sub_confirmation=1 I may earn commission if you purchase from the links below: MY CAMERA: https://amzn.to/3reaDlK MY MICROPHONE: https://amzn.to/3fhunSN MY LIGHTING: https://amzn.to/3dHll1i FREE Amazon Prime: https://amzn.to/3ren80W FREE Audible Plus: https://amzn.to/3xYzJsR RASPBERRY PI 4: https://amzn.to/3BC4i9I RASPBERRY PI PICO START KIT: https://amzn.to/3REvjis RASPBERRY PI CAMERA V2: https://amzn.to/3QFp90c ELECTRONICS COMPONENT STARTER KIT: https://amzn.to/3qB23xg ASSORTED SENSOR KIT: https://amzn.to/3U7M7zV USB SPEAKER: https://amzn.to/3La4foK USB 1080P WEBCAM: https://amzn.to/3Lq0OL7 INSTRUCTIONS: 0:00 Intro Start here: https://developer.amazon.com/en-US/docs/alexa/avs-device-sdk/raspberry-pi-script.html 1:00 Register your device with Amazon: https://developer.amazon.com/en-US/docs/alexa/alexa-voice-service/register-a-product-with-avs.html Download the config.json from your security profile 4:20 Access your pi's terminal - I'm using ssh 4:38 Run in the terminal: cd /home/pi/ mkdir sdk-folder cd sdk-folder mkdir sdk-build sdk-source third-party sdk-install db cd /home/pi/ sudo apt-get update sudo apt-get -y install \ git gcc cmake build-essential libsqlite3-dev libcurl4-openssl-dev libfaad-dev \ libssl-dev libsoup2.4-dev libgcrypt20-dev libgstreamer-plugins-bad1.0-dev \ libnghttp2-dev nghttp2 gstreamer1.0-plugins-good libasound2-dev doxygen cd /home/pi/sdk-folder/third-party wget -c http://www.portaudio.com/archives/pa_stable_v190600_20161030.tgz tar zxf pa_stable_v190600_20161030.tgz cd portaudio ./configure --without-jack make cd /home/pi/sdk-folder/third-party wget https://github.com/curl/curl/releases/download/curl-7_67_0/curl-7.67.0.tar.gz tar xzf curl-7.67.0.tar.gz cd curl-7.67.0 ./configure --with-nghttp2 --prefix=/home/pi/sdk-folder/third-party/curl-7.67.0 --with-ssl make 6:13 Download and build the AVS Device SDK cd /home/pi/sdk-folder/sdk-source git clone --single-branch git://github.com/alexa/avs-device-sdk.git cd /home/pi/sdk-folder/sdk-build cmake /home/pi/sdk-folder/sdk-source/avs-device-sdk \ -DGSTREAMER_MEDIA_PLAYER=ON \ -DPORTAUDIO=ON \ -DPKCS11=OFF \ -DPORTAUDIO_LIB_PATH=/home/pi/sdk-folder/third-party/portaudio/lib/.libs/libportaudio.a \ -DPORTAUDIO_INCLUDE_DIR=/home/pi/sdk-folder/third-party/portaudio/include \ -DCURL_INCLUDE_DIR=/home/pi/sdk-folder/third-party/curl-7.67.0/include/curl \ -DCURL_LIBRARY=/home/pi/sdk-folder/third-party/curl-7.67.0/lib/.libs/libcurl.so Build the sample app (or just run "make" to build the whole SDK) make SampleApp 7:15 Move config.json to Pi On my remote machine I run: scp insert/your/path/to/config.json pi@raspberrypi:/home/pi/sdk=folder/sdk-source/avs-device-sdk/tools/Install If you're already on the Pi, move your config.json to /home/pi/sdk=folder/sdk-source/avs-device-sdk/tools/Install 8:40 Generate config cd /home/pi/sdk-folder/sdk-source/avs-device-sdk/tools/Install bash genConfig.sh config.json 12345 \ /home/pi/sdk-folder/db \ /home/pi/sdk-folder/sdk-source/avs-device-sdk \ /home/pi/sdk-folder/sdk-build/Integration/AlexaClientSDKConfig.json \ -DSDK_CONFIG_MANUFACTURER_NAME="raspberrypi" \ -DSDK_CONFIG_DEVICE_DESCRIPTION="raspberrypi" 9:08 Set up audio: sudo nano /home/pi/sdk-folder/sdk-build/Integration/AlexaClientSDKConfig.json Then add "gstreamerMediaPlayer":{ "audioSink":"alsasink" }, to the space above "cblAuthDelegate" Ctrl + S to save then Ctrl + X to exit the nano editor Run the following to find your card and device numbers: aplay -l arecord -l Make a .asoundrc file: sudo nano ~/.asoundrc Copy and paste the following (changing card and device numbers if necessary): pcm.!default { type asym playback.pcm { type plug slave.pcm "hw:0,0" } capture.pcm { type plug slave.pcm "hw:1,0" } } Ctrl + S to save Ctrl + X to exit Test audio: sudo apt-get install sox -y && rec test.wav Kill pulseaudio: pulseaudio -k Authorize and run your Alexa: cd /home/pi/sdk-folder/sdk-build PA_ALSA_PLUGHW=1 ./SampleApp/src/SampleApp ./Integration/AlexaClientSDKConfig.json DEBUG9 I hope you found this helpful! Happy coding