Quick Temperature Comparison of Heat Pump vs Natural Gas Furnace

In this video I compare the intake and output temperatures of a residential HVAC system when using a natural gas furnace and an air source heat pump. The furnace is a Lennox SLP98V and the AC/heat pump is a Lennox XP21.

Water Heater Temperature Logging Using Raspberry Pi: https://youtu.be/OgjYRVQLnG8

Amcrest Video Doorbell Answering a Ring (over cellular)

Amcrest 1080P Video Doorbell Camera Install and First Impressions: https://youtu.be/I32XoC6K8NU

Amcrest 1080P Video Doorbell Camera Pro, Outdoor Smart Home 2.4GHz Wireless WiFi Doorbell Camera, Micro SD Card, PIR Motion Detector, RTSP, IP55 Weatherproof, 2-Way Audio, 140º Wide-Angle Wi-Fi AD110 (Amazon Affiliate)
US: https://amzn.to/39TjdPc

Amcrest AD110-WEDGE Kit (Amazon Affiliate)
US: https://amzn.to/3cRnoNc

Amcrest AD110-CORNER Kit (Amazon Affiliate)
US: https://amzn.to/3p4Qvzj

Amcrest playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZNYE224qh9K0hhaaIxU-rta

Creating a Timelapse with an Amcrest Video Doorbell (uses command line)

Amcrest 1080P Video Doorbell Camera Install and First Impressions: https://youtu.be/I32XoC6K8NU

Amcrest 1080P Video Doorbell Camera Pro, Outdoor Smart Home 2.4GHz Wireless WiFi Doorbell Camera, Micro SD Card, PIR Motion Detector, RTSP, IP55 Weatherproof, 2-Way Audio, 140º Wide-Angle Wi-Fi AD110 (Amazon Affiliate)
US: https://amzn.to/39TjdPc

Amcrest AD110-WEDGE Kit (Amazon Affiliate)
US: https://amzn.to/3cRnoNc

Amcrest AD110-CORNER Kit (Amazon Affiliate)
US: https://amzn.to/3p4Qvzj

Amcrest playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZNYE224qh9K0hhaaIxU-rta

Create Directory
mkdir doorbelltl
Go to Directory
cd doorbelltl
Capture Images from Video Doorbell
while :; do curl --digest -o "$(date +"%Y%m%d%H%M%S").jpg" http://admin:<password>@<ip_address_of_camera>/cgi-bin/snapshot.cgi; sleep 10; done
Find Empty Images
find ./ -type f -empty
Remove Empty Images (if needed)
find ./ -type f -empty -delete
Create Video from Images
ffmpeg -framerate 60 -pattern_type glob -i "*.jpg" -c:v libx264 -r 60 -pix_fmt yuv420p doorbell.mp4
Create Video from Images (double speed from previous)
ffmpeg -framerate 120 -pattern_type glob -i "*.jpg" -c:v libx264 -r 60 -pix_fmt yuv420p doorbell.mp4
Create Video from Images (crop and scale)
ffmpeg -framerate 60 -pattern_type glob -i "*.jpg" -vf "crop=in_w:in_w*9/16,scale=1920:1080" -c:v libx264 -r 60 -pix_fmt yuv420p doorbell.mp4