Here you’ll find a collection of things that I do, make, say, and think. It collects projects published across my sites, including custom-built guitar and hi-fi amplifiers and effects, custom PC servers, and rescued or upcycled hardware. Simply a central place to collect what I’m doing with some of my creative energy at any given time.
If you are looking for my professional information go to >JohannesJohansson.com<
Categories
- DIY (30)
- DIY Audio (18)
- DIY Computation (8)
- DIY Misc (5)
Random Posts
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Homelab: 4 Family & apartment friendly server cabinet
A practical homelab cabinet build that makes multiple tiny servers easier to live with in an apartment or family setting.
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Amiga Next-Gen Build: 1 Sam440ep
An Amiga Next-Gen Build centered on the Sam440ep and the strange persistence of modern PowerPC Amiga hardware.
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Homelab: 3 Turning laptops into mini-servers
An argument for turning old laptops into mini-servers instead of e-waste, with practical homelab examples.
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Custom DDC: 2 Bluetooth & auto switching
Custom DDC expands with Bluetooth and automatic switching, aiming for cleaner hi-fi streaming without manual input juggling.
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Homelab: 2 Tiny 24 Core virtualization Computation with hacked hardware
A compact homelab build using repurposed server CPUs and hacked hardware to create a tiny 24-core virtualization machine.
Custom DDC (Hi-Fi)
A hi-fi oriented digital project focused on a custom digital-to-digital converter and its evolving feature set.
Custom DDC: 1 Digital to Digital Converter; USB to l2s over HDMI; S/PDIF; AES
28 February 2026
Digital to Digital Converter, this little DIY utility box provides a way to escape a number of digital issues impacting sound quality in hi-fi. It takes usb output from a main streaming system provides it's own sound card, high quality clocks and…
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Custom DDC: 2 Bluetooth & auto switching.
19 April 2026
Digital audio as used in Hi-Fi certainly often comes from a music streamer, yet the usefulness of Bluetooth cannot be understated. So, next step was to include a high fidelity bluetooth module, and automatic switching of it. I did have a stand…
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