Bumper box of new PCB’s

July 30, 2015

A bumper box of 10 new (yes 10 designs) PCB’s arrived this week.

In it were 5 new (and updated) add-on boards for the Raspberry PC and 5 new boards for the Guitar Effect pedal designs I’ve been working on.

Here’s a photo of the PCB’s.

For the Raspberry Pi, we have a new revision for our popular PIIO ULNB803/GVS board which now features 2 stepper motor connectors for the popularĀ 5v 28YBJ-48 stepper motor. A new revision for the PIAC with new screw terminals. A brand new Digi-IO which is a real world interfacing board with RS485, two relays and some level shifter for inputs. Another brand new PIIO design called “RasPellar” which is a IO co-processor board using the Parallax 32-bit 8-core Propeller CPU and a new HAT sized prototyping board that can be used by it’s self or with RasPeller.

For the guitar effects we have two designs for a “modular electronic effects pedal” or MEEP to its friend. The MEEP board design gives you access to the audio In and Out jack sockets, 9V power and Vb (4.5V) as well as the foot switch and features a true bypass while the effects are added via a smaller daughter board. So if you get sick of using one guitarĀ  effect you can simply swap it out with a new effects daughter board for a lot less than buying a new pedal. MEEP BB3 (base board – 3 pots) has three Potentiometers (pots) and MEEP BB4 (base board – 4 pots) has 4 pots. To go with the MEEP base boards there is a prototyping board, MEEP Screamer a clone of the awesome Ibanez Tube Screamer pedal and MEEP Fuzzy yet another clone of the just as awesome Arbiter Fuzz Face.

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List of Guitar Effect Pedals sites

May 29, 2015

I’ve recently been researching guitar effects pedals for a new project, so if you’ve never heard of Big Muff Pi, Arbiter Fuzz Face, Ibanez Tube Screamer or Pro Co Rat, check out the sites below to learn some more:

Big Muff Pi circuit versions
http://www.bigmuffpage.com/Big_Muff_Pi_versions_schematics_part1.html

Technology of the Tube Screamer
http://www.geofex.com/article_folders/tstech/tsxtech.htm

Various effects projects
http://www.generalguitargadgets.com/effects-projects
http://www.generalguitargadgets.com/how-to-build-it/technical-help/schematics

Great pedal site
http://www.electrosmash.com

French DIY pedals
http://www.coda-effects.com

Fuzz pedals
http://fuzzcentral.ssguitar.com

More pedal ideas
http://www.GuitarPCB.com

DIY FX’s
http://gaussmarkov.net

Vero (Stripboard) and tagboard effect layouts
http://tagboardeffects.blogspot.co.uk

Perf and PCB effects layouts
http://effectslayouts.blogspot.co.uk

Good range of PCB’s
https://aionelectronics.com

More DIY pedal designs
http://www.madbeanpedals.com

Lots of BOSS schematics
http://www.hobby-hour.com/electronics/s/guitar-effect-schematics.php

Great Forum
http://www.diystompboxes.com

stompboxology vintage newsletter
http://www.moosapotamus.net/stompboxology.html

http://www.super-freq.com/

http://diyguitarpedal.com

http://www.tonegeek.com

http://1776effects.com

Parts & Kits
http://www.mammothelectronics.com