The first time takes twice as long
There is a world of difference between doing something for the first time, doing it a second time, doing it regularly, and doing it as… Read More »The first time takes twice as long
DIY
Quiet, low cost, low noise, no-solder DIY air filter that keeps PM2.5s below 10 in a medium-sized bedroom
I’m in the process of building a manually controllable air filter using an Arduino and an SDS-11 particulate sensor. I wasn’t sure whether to be… Read More »Quiet, low cost, low noise, no-solder DIY air filter that keeps PM2.5s below 10 in a medium-sized bedroom
Ready-made and the alternative
Most of the time buying something that’s been ready-made by professionals is cheaper – especially if you count the cost of your time – and… Read More »Ready-made and the alternative