Connecting a Bluetooth Keyboard and Mouse to a Raspberry Pi (using command line)

CanaKit Raspberry Pi 4 (4GB) Starter Kit (Amazon Affiliate)
US: https://amzn.to/3azJgrW
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ES: https://amzn.to/2T06LnM (similar)
FR: https://amzn.to/3cvIZrs (similaire)
IT: https://amzn.to/2Ar74Sj (simile)
DE: https://amzn.to/2AqfWHQ (ähnlich)
IN: https://amzn.to/3ey6fWj
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NL: https://amzn.to/3f5NdsD (vergelijkbaar)

Backlit Bluetooth Keyboard (K62B-3), Jelly Comb Multi Device Ultra Slim Rechargeable Keyboard Wireless Illuminated Keyboard Switch to 3 Devices for iPad, iPhone, iOS, Mac OS, Windows, Android (Jelly Comb Affiliate)
US: https://www.jellycomb.com/products/k62b-3-bluetooth-keyboard?ref=d60zd2uafo

Promo code (10%off): RICKMAKES

Raspberry Pi Playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZPvIdR5BEqDgO7DsGAla_AZ

Connect to Bluetooth Utility
bluetoothctl
Turn on Bluetooth Support
agent on
Set Current Agent to Default
default-agent
Scan for Devices
scan on
Stop Scanning
scan off
List Devices
devices
Pair Device
pair xx:xx:xx:xx:xx:xx
Connect Device
connect xx:xx:xx:xx:xx:xx
Set Device to Pair Automatically
trust xx:xx:xx:xx:xx:xx
Remove Device
remove xx:xx:xx:xx:xx:xx

Connecting a Bluetooth Keyboard and Mouse to a Fire TV Stick

All-new Fire TV Stick with Alexa Voice Remote (includes TV controls) | HD streaming device | 2020 release (Amazon Affiliate)
US: https://amzn.to/3eNtb5n
UK: https://amzn.to/3tmfxxd
CA: https://amzn.to/3tgZIYe
ES: https://amzn.to/3tdvllv
FR: https://amzn.to/3r6pOeM
IT: https://amzn.to/2YtHULs
DE: https://amzn.to/39wPsU6
IN: https://amzn.to/36vkn11
AU: https://amzn.to/36tj5DZ (Lite)

Backlit Bluetooth Keyboard (K62B-3), Jelly Comb Multi Device Ultra Slim Rechargeable Keyboard Wireless Illuminated Keyboard Switch to 3 Devices for iPad, iPhone, iOS, Mac OS, Windows, Android (Jelly Comb Affiliate)
US: https://www.jellycomb.com/products/k62b-3-bluetooth-keyboard?ref=d60zd2uafo

Promo code (10%off): RICKMAKES

Amazon Alexa/Echo/Fire TV Playlist: https://youtube.com/playlist?list=PLErU2HjQZ_ZNfF9xXNZzs7VzMrYPmzp1F

Using a Raspberry Pi Camera Board with FFmpeg

Open raspi-config (Enable Camera and change GPU Memory to 256)
raspi-config
Update Package List
sudo apt update
Install v4l-utils and ffmpeg
sudo apt install v4l-utils ffmpeg
List Formats (two techniques)
ffmpeg -f v4l2 -list_formats all -i /dev/video0<br>v4l2-ctl --list-formats-ext
Preview Camera
ffplay -fs -f v4l2 -input_format h264 -video_size 1920x1080 -framerate 30 -i /dev/video0
Record Camera
ffmpeg -f v4l2 -input_format h264 -video_size 1920x1080 -framerate 30 -i /dev/video0 -vcodec copy video.mp4
Play Video
ffplay video.mp4