About a year ago I posted a blog describing how to log temperature straight to google sheets from a DS18B20 temperature sensor. New Version This blog »
Several acquaintances have asked for instructions to build a switch that can be operated from a phone app, and/or virtual assistant (Google Home, Alexa, etc) »
Ask your iPhone for weather conditions and it'll display data from a sensor somewhere nearby - often at the local airport - which might be miles »
We all know how fidgety it is to flash the ESP: 3.3 volts only, smoothing capacitors, GND-GPIO 0, VCC to CH_PD. Wouldn't it be »
It's vacation time, and like everyone else, I wanted to protect my home while I was away. I don’t have a dedicated alarm. (Prospective burglars »
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