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...
I’ve calibrated twelve wall plugs! So you got a power plug or any other device that can measure power, current or the voltage flowing through it. Nice! So did I, and I flashed them with ESPHome since well, that is my firmware of choice for ESP based devices. The problem, however, is that measurements using these DIY methods are rarely accurate. Fortunately, there’s a solution: You can...
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