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Last year, my uncles asked me to design an electronic table tennis scoreboard. Apparently, what they wanted wasn’t for sale (at least not in New Zealand). Since they’re very enthusiastic about the game, I agreed and created a design. It features: I’m using an ESP32 microcontroller for this project. It runs an HTTP web server… Continue reading Table tennis scoreboard
The heating system in my apartment building consists of a group of heat pumps that deliver warm water to the underfloor heating system of about a dozen apartments, including mine. During the warm summer months, the system supplies cool water instead. The heat pumps figure out whether to supply warm or cool water, and a… Continue reading Fixing my heating system
My ClockSquared project has a long history – it goes all the way back to 2015, when it was simply called the “Birthday word clock”. I haven’t spent much time on the project in recent years, but I’ve upgraded the internals a while ago and finally felt like writing a post about it. Two things… Continue reading ClockSquared improvements
I recently moved and our new home is equipped with a ventilation system that distributes fresh (outside) air through the house and recoups heat from the air that is exhausted. There is a problem with this system, though. Sometimes, for example when a neighbour lights their wood stove, the system pulls in smoke, even though… Continue reading Home Assistant-compatible air quality sensor
More in science
Healthcare is the #1 employer, but that will need to change
This blog has moved to https://blog.caseyhandmer.com/?moved. All the old posts are there, with interactive versions of many of the charts. The RSS feed is now https://blog.caseyhandmer.com/feed.xml. This site stays up for old links but won’t get new posts.
There’s a famous (but unattributable) quip that goes something like this: If you are not a liberal at 25, you have no heart. If you are not a conservative at 35, you have no brain. In Chapter 12 of Probably Overthinking It, I used data from the General Social Survey (GSS) to show that the quip is half right. Older people hold more conservative views. But as people get older, their views don’t become more conservative; on average, they become... Read More Read More The post Do People Get More Conservative With Age? appeared first on Probably Overthinking It.
Like some of you, we have several kitchen appliances with integrated digital timers.
