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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Headphone Repair
A high-end Sony Bluetooth headset gets new soft parts, glue where needed, and a more thorough repair than simple replacement alone.
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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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Guitar Pedals: 1 Splitter pedal: Two guitar amps at once
A tiny active splitter for running two guitar amps at once, with buffering, ground lift, and phase correction built in.
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Pedal Progression: 3 Zendrive
Pedal Progression moves on to a Hermida Zendrive rebuild, fixing old enclosure mistakes while keeping the fuller overdrive voice intact.
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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.
Guitar Pedals
A series for standalone guitar-pedal projects that sit outside the Pedal Progression chain.
Guitar Pedals: 1 Splitter pedal: Two guitar amps at once
13 March 2025
Splitting the output of your guitar/pedalboard to two separate Guitar Amps is one of the most powerful way in shaping your tone and 'broaden' the sound, but to do so you need some tricks. In this post I build a tiny active…
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Guitar Pedals: 2 Splitter/Buffer
27 February 2026
A great little utility box that on its own can have a massive influence on sound, since it allows me playing through two separate guitar heads at the same time! I also challenged myself building it into the absolute smallest package possible,…
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Guitar Pedals: 3 Fixing a Temu digital delay
22 April 2026
A Temu guitar pedal… Well 5 euro (or usd) is not a lot for a pedal that is for sure, so I tried this out, yet arrived broken. So got a refund but lets try and fix it anyway I thought. Interesting…
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