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ESP8266 3-Pack
ESP8266 3-Pack
These cheap ESP boards are what make the ultra-budget sensor side of the project possible. With ESPHome, I can turn a few-dollar microcontroller into a motion sensor, temp/humidity sensor, or even a little notification device that shows up right inside Home Assistant.
Buy on Amazon
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Pros
- +Very low cost per device for DIY sensors
- +Works great with ESPHome and Home Assistant
- +Flexible for lots of different projects
Cons
- -Requires some wiring/soldering and enclosure planning
- -Setup can be annoying if you don’t enjoy tinkering
