This is a small blog where I talk about tech, from servers to CNC. That is all.
About
I’m an occasional systems administrator who prefers self hosting over pay hosting or many ad driven services. I’m also a Java and C developer and engineer with a background in 3d design and an interest in 3d printing, lasers, etc. I also have no idea how to blog (sorry for the inconsistent updates, they are unlikely to change). This blog is also all human written, and will continue to be.
Blog
Roomba Brain Surgery
After learning that the original Roomba models have an open serial port with a fully documented API, I just had to try out using it. I pulled the lid off my old Roomba 670 to try and avoid breaking any plastic clips and right there it was, the serial port ripe for the hardware hacker. …
Circuit-Diagram-CLI
I use the circuit diagram editor from this site for all of my circuit diagrams for my projects. It generally has all the elements I want to use easily available, at least until now. I wanted to add an 8 pin din connector to my diagram so that I could include the pinout for the …
Time Sync through Firewalls for Valetudo
Valetudo has some built in functionality that makes use of the current time, however my vacuum is on a VLAN with absolutely no internet access. I would like to try out some of the time based features without needing to punch a hole in my firewall for internet based NTP, luckily this ended up being …