Ultrasonic Water Tank Level Sensor

Having a rain tank is great, especially when that is your only option. The water tastes great; you think about your water usage; you don’t have to pay for it. But it has its drawbacks. Namely, it runs out. I have a friend who has two 10kL tanks, both of which are down a steep …
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Sonoff SPM diy_mode and NodeRed

My friend and I worked out how to get a Sonoff Smart Power Meter unit working in diy_mode and displaying realtime data. This is how we did it. The first step was to put the device into diy_mode. As the procedure was straightforward and worked as described, I won’t repeat it here. We followed this …
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Home Assistant Egg Incubator

I built an egg incubator with esphome that connects to Home Assistant, automatically maintains humidity and temperature, and displays its current temperature/humidity on a mini OLED screen. Several things clicked into place. I did a quick google search and found a link to a github repository of someone’s fully automated, arduino-powered egg incubator. And I …
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Weather Underground and Home Assistant

I recently purchased a Weather Underground weather station! I have been meaning to put together a rain gauge for some time. And I had started the project, with a couple of attempts to get things working, but… I realised that I was wasting time, and since time is money, I went and purchased a pre-made …
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