I discovered magic eye tubes on eBay. I bought a couple of cheap and simple boards and assembled them. Then I tried to see what it would take to control the tubes from a Raspberry Pi.
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DIY Nixie Tube Frequency Counter
I’ve always wanted a Nixie Tube Frequency Counter, but one has never come up on eBay for a price that I was willing to pay. So I just made my own using the same Nixie Tube boards as the calculator project. I learned a bit about frequency counter front-ends in the process.
Read MoreRaspberry Pi Switching Power Supply Shield
There are many times when I want to power one of my Raspberry Pi projects from 12V instead of 5V. I built this switching power supply shield to make it easy to do so.
Read MoreMigrating from 3ware HDD RAID to Intel RST SSD RAID
Over the 2015 Christmas break, I decided it was finally time to augment my system with SSD RAID for the operating system. I’m going to keep using my ancient 3ware HDD RAID for data storage because it works pretty well. I started out by purchasing a pair of Samsung 850 EVO 500 GB SSD drives. …
Read MoreEico 430 Oscilloscope
I bought an Eico 430 Oscilloscope, an old analog scope from the late 50s / early 60s. It’s a cathode ray tube scope, with vacuum tubes used throughout. It works amazingly well given its age, and will actually be a useful addition to the bench.
Read MoreWeatherpack Crimp Tool 12014254 Review
I bought a weatherpack crimping tool that makes reliable repeatable one-step crimps.
Read MoreSparkfun third hand kit – review and modifications
I’ve always wanted the Sparkfun third hand kit, ever since I saw it in their new products page. I finally bought one, and this post contains my review, as well as some modifications.
Read MoreAoyue 128 Soldering Tip Polisher Review
The Aoyue 128 is a soldering tip cleaner. It has two rotating brass brushes that clean and polish your soldering iron type. I bought it on a whim, and review it in this post.
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