Tag Archives: electronics

Burning down the house by remote control

Posted on March 9, 2018 by paulwallich

A few weeks ago I blew up my Octoprint installation by adding and deleting too many extensions at the same time. Before reinstalling, I thought it might be a good time to upgrade a bit.  So now there’s a cute … Continue reading →

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There’s a reason some things are surplus

Posted on May 3, 2016 by paulwallich

The 11-year-old has been bugging me for a few years now that he wants to build a crystal radio set, and sourcing the parts individually is something of a pain. So when I saw a kit for cheap at a … Continue reading →

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Progress is Bad

Posted on February 1, 2016 by paulwallich

I’ve been working for a while on a wearable accelerometer/datalogger project, and I came up with a nice breadboard prototype using a spare Seeduino Stalker plus a bunch of other parts. But that’s kinda big to actually wear. Next up: … Continue reading →

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Beware the clearance tech, my son

Posted on June 12, 2015 by paulwallich

For it will drag you down a rathole. When I saw that tricolor LED strip marked down to seven bucks at the local Radio Shack this winter, I thought, “what the heck, might as well pick it up.” Less that … Continue reading →

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Arduinos need more power pins

Posted on March 12, 2015 by paulwallich

And ground too. This morning I was fresh out of available breadboards. So I made my own power distribution strip out of an IC socket that was lying around on the workbench.  Took a couple of the zillion clipped-off component … Continue reading →

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Soldering under a microscope is weird

Posted on January 20, 2015 by paulwallich

But I think I could get used to it if I had to. I was at Generator this afternoon, and I forgot to bring my 4X magnifier clip-ons, so I had to use the binocular scopes at their soldering stations … Continue reading →

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