Electronics

PV Solar Up and Running

I recently installed a PV solar grid-tie system in my house in Guatemala City. I posted the basics on https://gringo2gt.com. Here are the details. Grid-tie [...]

My Life with Transistors

When I was young, my dad worked at National Technical Schools, a technical trade school that was world-famous. It offered correspondence courses in electronics [...]

Instant Pot

No, this has nothing to do with fast growing marijuana. (Is there such a thing?) This is a kitchen appliance that I avoided buying for quite a while. Why? [...]

My New Vehicle

While I liked the idea of electric scooters better (and should have four but that's a long story) this does work. I still have a bit more work to do on the way [...]

More on my PV “UPS”

The system has been working great so this post is a bit more on the details and a bit more about how it works. The photo is of the Samlex EVO-2224 [...]

PV-powered UPS

Well, that's sorta what it is. Here are the pieces I started with: Four 280W PV panels left over from another project A Bed and Breakfast that needs some [...]