Mark Rehorst's Tech Topics

I've been making some lamps using cheap, Wi-Fi enabled light bulbs for a while and I've learned the hard way that there are a few th...

I Needed Some Coasters, So... The coasters are orange, the bottom of the box is yellow, and the top is pink, all at least a little fluoresce...

Most people run their sand tables at 100 mm/sec or less which helps keep noise down and detail in the drawing high, though it can be a littl...

My son rides around on something called a OneWheel . It's like an electric skateboard but it has only one large tire and it sort of self...

A couple years ago I installed a timer switch on my front porch light so it would turn on at dusk and off at dawn. It was one of those smart...

My brother, the distiller, built a bar in his living room, and I thought that he might like a bar-worthy lamp for it, so I got busy. I recen...

This is an update to my often-updated sand table project, The Spice Must Flow .   Different types of motors for different uses Stepper motor...