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 be an electronics expert. The result of this DIY Smart Doorbell project on my test bench...
For just $2, convert any existing wired doorbell into a smart doorbell; using ESPHome and Home Assistant
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