AI or SI ?, I guess is the new term, is a huge time-saver. Some people really seem to hate it, but I'm a fan. It makes my job easier. I can type what I want to know into a free or cheap AI and get a reasonable starting point in just a moment. I can hand it some code and it correctly evaluates...

This multimeter is the cheapest you can buy on Aliexpress in 2026. It does all the basic multimeter functions, and it works reasonably well. It also lacks any kind of protection if you use it wrong. It will definitely emit smoke if you connect it across voltage when you have the probes connected...

One of these little things can monitor your AC drain pan for water buildup. You can spend $50 or more on a commercial solution. With just a little $1 sensor and a microcontroller, you can monitor your AC drain pan remotely, and figure out how you want it to alert you.  I used a Pico W, because...