Hello!

This be a blog.

Minifi: Even Lower Profile Keyboard

I have a Chocofi, and really like it. At some point I saw they make even lower profile “Choc Mini” switches, decided to try and stuff those into a Chocofi, and ended up with this project. The Choc Mini The normal Chocs are already low profile (for mechanical switch proportions), but the Minis do a few things to save even more height: ...

April 26, 2025

200Wh, 100W USB-C PD Power Bank

I built a ~200Wh, 100W USB-C PD power bank from 18650 cells I had lying around, and a cheap PCB from AliExpress. BOM: USB-C PD board: 15€ 20x 18650 cells: 50€-ish1 Nickel strip: ~1€ Also needed: 3D printer and some filament (PLA is fine) soldering iron hot glue gun fire extinguisher good insurance The PCB ...

February 2, 2025

Old Bulbs

Found some old light bulbs in our old house. Twirly Boi Like one of those fancy new LED bulbs with the cool twirly LED filament. Except not LED and not new. Uses about 170W as well. Pretty bright! ...

January 19, 2025

Projector Lens on Camera

We had a supposedly dead Sony VPL-FH36 at $dayjob. After performing an autopsy and being sure that it was now indeed dead, I was left with a big old lens, that looked like it would also fit on a camera. Modeling an adapter wasn’t super hard. It’s mostly a tapered cylinder with an MFT mount bit on one end, a few holes cut out for sticky outy bits of the lens, and … lugs. ...

July 1, 2024

ZFS: Making L2ARC Dumb On Purpose

I have a NAS. It runs a ZFS raidz1 that’s not particularly fast (reads 300~350MB/s max?). It’s also attached to a 10gb LAN. So I thought: wouldn’t it be nice if I could just plonk in an SSD cache and saturate that? I put in a drive, zpool add zfs cache/dev/nvme0n1p1’d1 it, read a bunch of files, saw the cache utilisation line go up in monitoring, got exited, and got absolutely no improvement in read speeds. ...

April 7, 2024

Felt Your Tubes

If you buy cheap extension tubes and the inner part looks shiny like this You’re gonna have a bad time with stray internal reflections making your pictures murky So do yourself a favour and also grab some self-adhesive felty stuff ...

March 10, 2024

Charybdis Nano Keyboard Build

Parts Charybdis Nano Kit, with RGB and Trackball, without case Case printed by JLCPCB with 3201PA-F Nylon (SLS). STLs available on github and on github A tube of Gaterons Cheapo XDA “Pudding” Keycaps Building the Thing For the most part not too difficult. The ribbon cables provided in the kit are stiff, so you’ll end up with acrobatic floaty soldering in mid-air and alien tree-looking things along the way. ...

August 20, 2023