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Making and hacking software and hardware. Also making music and art.

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Badscrew Projects
Badscrew Projects

Making and hacking software and hardware. Also making music and art.

Cocktails

Out of ice cubes? Not a problem

Badscrew, April 2, 2023August 19, 2023

Depending on how fast you drink it, there will be more or less cherry taste in it 🙂

Gardening

New year, new seedlings

Badscrew, March 28, 2023July 15, 2023

Tomatoes, hot peppers, tomatillos

Guitars

Round guitar picks

Badscrew, March 20, 2023July 15, 2023

Made myself some round picks for no other reason than curiosity 🙂 To be fair, also because I wanted to find a cure against the picks that are rotating between my fingers. Starting from a normal “teardrop” shaped pick, removing extra material with big scissors, than refining the shape on…

Audio

Bad Screamer: adding a mid-boost

Badscrew, February 4, 2023July 15, 2023

All articles from the Bad Screamer series Thinking about this a little bit, there’s a way to act on the frequency response using a little more complex emitter negative feedback circuit. Did a bit of play with the sim and various values, I can create a mid bump this way…

Audio

Bad Screamer: soft clipping overdrive (with transistors)

Badscrew, January 6, 2023July 15, 2023

All articles from the Bad Screamer series Working on a new circuit at this moment, it’s inspired by some existing guitar overdrive pedals. The main gain and overdrive stage is basically one slightly enhanced Proco RAT gain stage but with more potential gain and volume (instead of the RAT’s multiple…

Guitars

Green T

Badscrew, December 23, 2022July 15, 2023

Another “partscaster”, this time a “thinline” (a semi-hollow body with an f-hole, very lightweight). The body is from the same ebay seller who sold me the Gold-o-Caster’s body. The neck is from G&L – some years ago they’ve been selling parts with huge discount that weren’t considered good enough for…

Guitars

New Guitar Day – Ibanez JSM-20

Badscrew, November 19, 2022July 15, 2023

Just bragging this time, I obviously didn’t make it myself. My first hollowbody, also probably my most expensive guitar so far 🙂

Guitars

Gold-o-Caster

Badscrew, October 23, 2022July 30, 2023

Gold-o-Caster series Nothing too complicated, this is what people call a “parts-caster” – an assembly of parts made by someone else. No real “lutherie” present here at all 🙂 The body first: got it from ebay. Good quality, double cream binding, and most importantly it’s sparkly GOLD. The sizes are…

Guitars

Harley Benton DC Jr – modifications

Badscrew, September 24, 2022June 27, 2023

What do you do if you don’t like the color of a guitar you have? I don’t know about you (maybe you don’t buy it in the first place), but I refinish it just because I can 🙂 This is the guitar I’ve got with a big discount, it was…

Gardening

Tomatoes

Badscrew, July 1, 2022July 15, 2023

20 days later:

Hardware

Charge your mornings up!

Badscrew, January 22, 2022July 15, 2023
Audio

Servicing Sony Walkman TCS-30D

Badscrew, January 20, 2022July 15, 2023

I’ve got this one for cheap, sold as “working” but we all know how much does in mean when you buy from ebay 😂 It wasn’t working very well, couldn’t fast forward and played only some cassettes, others it couldn’t advance at right speed. As always, this is its rubber…

Audio

4. Dead Kings bass effects pedal – EQ finalized

Badscrew, January 2, 2022July 15, 2023

Happy New Year everybody! I wish everyone lots of good things and happiness! After many tests and modifications, I should admit that I wasn’t happy with the 3 band EQ results – it either sounded wrong or was unstable at some EQ settings. Turned out making a single Baxandal EQ…

Guitars

Gretch Jim Dandy + pickup

Badscrew, November 15, 2021July 16, 2023

Added a soundhole pickup into this guitar! It won’t be an “acoustic” anymore, but an “acoustic electric”! First two additional holes: one for a volume potentiometer (6 mm) and another for the endpin jack (12 mm): The pickup is a Gretch Deltoluxe – a very nice magnetic single coil designed…

Guitars

Gretch Jim Dandy

Badscrew, November 4, 2021July 16, 2023

Just got this parlor-size guitar (smaller body and shorter scale than usual), and already liking it 🙂 The sound isn’t big but still very pleasant, great for practicing at home. I’ll be installing a Gretch Deltoluxe magnetic pickup in it soon!

New Hosting

Badscrew, November 2, 2021November 2, 2021

Moved this blog to another hosting – from OVH “Webhosting” VPS to Amazon LightSail with a Bitnami WordPress image. The reason is too many outages on OVH (I have Jetpack availability monitoring enabled and it sends me alerts way too often for my taste). Let’s see how this one works…

Hardware

Universal Radio Tester

Badscrew, September 7, 2021July 15, 2023

This simple device is a basic signal generator that can be used to debug audio and AM radio frequency circuits. It produces a (roughly) 1 kHz periodic wave output that has enough harmonic frequency content to go into high MHz range – this will make the signal audible even when…

Audio

3. Dead Kings bass effects pedal – EQ

Badscrew, September 4, 2021July 15, 2023

This is the 3rd post in the Dead Kings preamp series. Now to design the EQ module! My initial idea was to create a circuit inspired from the classic tube bass amplifiers, like Ampeg Portaflex or SVT. I did some research and got somewhat carried away, so the circuit I…

Audio

2. Dead Kings bass effects pedal – clean boost

Badscrew, September 1, 2021July 15, 2023

Continuing the Dead Kings preamp series The tests in real hardware have shown very close characteristics to what LTSpice have simulated, this means the models of the transistors I’ve been using are pretty accurate, that’s good news! i’ll be testing some slight modifications – reducing maximum gain and maximizing undistorted…

Audio

1. Dead Kings bass effects pedal – buffer, boost

Badscrew, August 28, 2021July 15, 2023

I’m starting this new project on Github, heavily inspided by my recent discovery of the band Royal Blood https://www.royalbloodband.com/ This is the first post in the Dead Kings preamp series. This preamp / effects pedal isn’t supposed to emulate the sound of Mike Kerr, I’ve just got some ideas I…

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