Home-notsohome lab setups

Common management I use Ansible for most of my management tasks: setup a new host (basic users, backup user, packages, ssh config, etc.) deployment of k8s apps management of my tinc configurations update workflow for some apps packages updates etc. I also have an Ansible AWX setup in my home k3s cluster, which mainly permits
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New photography development hardware

I have started to get new hardware to improve my workflow, and to be honest, makes it faster and easier. That includes a Jobo CPE2 film/paper processor, a Durst Modular 70 Micro Memory color photo enlarger, a dangerous paper dryer, various trays/easel etc.

DIY transfert/etching PCBs at home

For a new project I am starting I needed to do DIY PCB using the transfert and etching method. I got a ~cheap laminator off amazon (a metal one, which was more expensive than an all-plastic but it seemed more rugged and probably more able to reach 200’C), a few litters of Ferric Chloride, cheap
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Recreating the ARP 2600 synthesizer

I stumbled upon someone blog post who did reverse on the ARP 2600, made “corrected” schematics, and PCBs images to transfert/etch. From that I started the project of building an ARP 2600 and also making it a project more modern with KiCAD. The first step of getting the schematics captured is done, intensive reviews are
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Projects status

Here is a status of the projects I’ve been working on: MFJ-929 Auto Tuner: done Got this one a few years ago and it ended up on a corner. One IC seemed dead, a 5V reg was cooking, and the PIC16 too. Replaced the three, reprogrammed a new PIC16, and the unit seems to work
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Flashing an H200i(ntegrated) in IT mode

I have got the archive from https://samourai47.com/?p=133, created the boot key with freedos as explained, and did the following: (Note: you will have a BIOS legacy with mptsas2.rom, no UEFI apparently, but I don’t uses UEFI on the servers so I can’t tell if any issue) You can avoid flashing mptsas2.rom if you don’t plan
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Summary: 2018 – Aug 2020

First thanks for all the patrons, some money seems to have been left over by Patreon and ended up making around ~150EUR, which I spent on a headbump for a second-hand 13MHz RACAL-DANA Programmable Frequency Generator last year. I wanted one for a long time to help doing repair on radio equipment, and my first
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