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Category: Distortion, Overdrive, and Fuzz

Designing a classic OD-1/TS-808/SD-1 Overdrive

Posted on March 8, 2023April 15, 2023

First, a quick history of overdrive pedals. Boss got the ball rolling in 1977 with the OD-1, one of the first pedals in their now-famous “compact” series, and the first proper “overdrive” pedal – before that, they were all called “Fuzz” or “Distortion”. This pedal was part of the three releases that started the series, […]

Posted in Distortion, Overdrive, and Fuzz, Projects, Stompbox stuff   13 Comments on Designing a classic OD-1/TS-808/SD-1 Overdrive

Building the Electric Druid pedals

Posted on November 20, 2019November 20, 2019

  This page collects together just the information you need if you’re intending to build one of the Electric Druid effects pedal/stompbox projects. For each pedal, you only really need the construction guide, which includes the full bill of materials (BOM) and a wiring diagram for the PCB in the enclosure. We also provide a […]

Posted in BBDs+Delays, Distortion, Overdrive, and Fuzz, Flanger, Stompbox stuff, Wah, Autowah, and Filters   Leave a Comment on Building the Electric Druid pedals

Designing the Hard Bargain distortion pedal

Posted on January 31, 2019March 25, 2020

For this post, I’d like to take you through the process of designing a pedal, from initial idea to completed PCB and pedal. Everyone has their own way of doing this, so I thought it might be interesting for people to see the way that I work on something like this. Pedal (or Synth) design […]

Posted in Distortion, Overdrive, and Fuzz, Projects, Stompbox stuff   34 Comments on Designing the Hard Bargain distortion pedal

Digitech PDS-1550 Programmable Distortion pedal analysis

Posted on November 22, 2018October 5, 2020

The Digitech DOD PDS-1550 was a member of the 1980’s Digitech “Dual pedal” range. It’s a pretty weird thing, and that’s partly why I’d like to take a closer look at it here. During my analysis of this pedal, I’ve discovered its dirty secret. Let’s get one thing out of the way early on though […]

Posted in BBDs+Delays, Distortion, Overdrive, and Fuzz, Stompbox stuff   35 Comments on Digitech PDS-1550 Programmable Distortion pedal analysis

Boss MT-2 Metal Zone pedal analysis

Posted on January 22, 2016March 25, 2020

The Boss MT-2 Metal Zone distortion pedal is one of the most complex drive pedals there is, and has probably the most sophisticated (and least understood!) tone control circuit on any mass-market pedal. It’s also quite a divisive beast, with some loving it, and others hating it. It’s a great pedal for modifications – easily available, […]

Posted in Distortion, Overdrive, and Fuzz, Stompbox stuff   90 Comments on Boss MT-2 Metal Zone pedal analysis

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Personal use

Druid code and schematics are released under a CC BY-NC-SA 4.0 license, so feel free to download and use Electric Druid code in your personal synth, pedal, or sonic blastertron 2000. Grab a copy of the schematics and tweak away to your heart’s content. If you don’t have a PIC programmer, you can order a chip from the shop. Check the legal stuff for more details.

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Electric Druid code and schematics are released under a CC BY-NC-SA 4.0 license. Please check the legal stuff for more details. If you’d like to use Electric Druid chips, code, or circuits in your commercial product, we’d ask that you buy chips from us to help support the development of further projects. We can supply programmed, labelled chips in whatever quantities you need. If this isn’t suitable, please contact us to discuss your requirements. Thanks!