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For just $2, convert any existing wired doorbell into a smart doorbell; using ESPHome and Home Assistant
This article is going to show you how to convert your (existing) wired doorbell (also works for battery-powered chimes) into a smart, WiFi-enabled, doorbell. The essential components needed sets you back about $2, yes, that is correct, just two bucks. No soldering is required and you don’t have to