Birmingham Black Techies Presentation
Kenny Robinson
Programmer Analyst
@almostengr
Problem
Live in multi-story house with single HVAC system; thermostat is on lower floor
Upstairs is always hotter
Initial Solution
Window AC was connected to timer
Ran when not needed; higher power bill
Current Solution
Thermometer reading available via API
Smart Outlets (WeMo) that control window AC units
Home automation to control outlets based on temperature
Only runs when needed; lower power bill
Hardware
DS18S20 temperature sensor
Raspberry Pi (used Pi 3B+)
Window AC
Belkin Wemo Smart Plug
Software
Custom .NET 5 Web API
Home Assistant
Linux
Code Review
Returns JSON data
{"fahrenheit":72.95,"celsius":22.75}
Home Automation Review
Automation rules
Notes
presentation given to the Birmingham Black Techies group on February 9, 2022