I made a simple implementation of Spacewar in Scratch. Here it is:
WARNING: This blog contains writings known to the state of California to cause cancer and birth defects or other reproductive harm.
Archive for the 'Tech' Category
Years ago I bought a Drobo FS (no longer made, but more-or-less equivalent to the Drobo 5N they sell today.) It’s a nice little package using Drobo’s very easy-to-use RAID system, combined with a Linux-based file-server. Drobo gave it the ability to have other applications installed on it (they call them DroboApps). I installed rsync, so that I could use it (with the magical “–link-dest” option) to do Time Machine-like backups of my desktop Windows PC. Once I got this all working, I was delighted… for about a week.
Then the Drobo started making my life miserable.
I’ve been writing some code to drive the INSTEON PowerLinc Modem. It’s not the newest generation of INSTEON interfaces, but it’s the one I have in my system.
It’s been kind of a miserable experience. This thing could serve as a textbook example of how not to design a serial protocol.
Continue reading ‘Programming the INSTEON PowerLinc Modem 2412S’
I’ve been trying to set up a git repository on a server in my home. I wasn’t sure exactly which computer I should set it up on, and I want to be able to move it to another computer later without breaking the connections to it. I thought maybe I could do this by setting up some magic in my network’s DNS server, giving the same computer two names in DNS: both its own name, and also the name “git”. Then I could change the name “git” to point to another computer later, if I wanted to. But things didn’t work out very well at first.
Continue reading ‘DNS problems with Windows, Dnsmasq, IPv6 and CNAME’
Roland MDX-40A
A friend of mine bought himself a Roland MDX-40A desktop milling machine, with the optional ZCL-40A rotary axis. It was from an E-bay seller. It comes with a large assortment of tools and accessories. But they all came in a bag. Hard to find small items, and not very well protected.
As one of our first large projects on the machine, I designed a storage case to hold all the accessories.
Continue reading ‘Tool tray for Roland MDX-40A milling machine’
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