EPFM (electronics projects for musicians) modular effects box

Effects from left to right (ring modulator, super tone control, phase shifter, envelope follower, spring reverb, power panel).

All these effects designs, minus the reverb, came from the popular book, Electronics Projects for Musicians by Craig Anderton.  The Spring reverb is a variation of Craig Anderton's center stage reverb. 

I made veroboard/stripboard layouts for each effect, and will share those in later posts!

~ wind machine ~

wind machine sound sample

This is a simple analog wind machine circuit.  It's essentially a white noise generator with a frequency control.  I found this circuit over at diystompboxes.  You can get the schematic and more info there.  I tried different transistors for the noise source, and ended up using an old one I had lying around.  

DS-8 Clone Analog Drum Synth

ugly fake ad

This is a clone of the classic Coron DS-8 drum synth.  Some info about the original model here.  I bought the PCB, for this unit, from synthrotek.  This guy is pretty fun to play with.  It can make lots of synth type percussion sounds, and all kinds of other wacky sounds too!  

Baby 8 Sequencer

The baby 8 finished product.  

Guts

My layout design

This is the simple baby 8 sequencer.  Based around the 4017 chip, and clocked with a 555 timer.  0-5v CV output, 1-8 step selector switch, and a rate control.  Original circuit can be found here. My build is a variation of this design with an added voltage regulator.

MFOS Alien Screamer Noise Box

This is my build of the MFOS alien screamer.  Check out what the alien screamer is from the MFOS site here.  Below is a vero board layout I designed.

and some dev shots of my build from bread board, to vero board, to final box up.

And a lofi VHS demo

Green Ringer Clone

Guts shot, cause I like guts shots.

Audio sample of my green ringer

 Here's my clone of the Dan Armstrong Green Ringer guitar pedal.  I like this guy.  It does some really interesting things to your guitars sounds, or whatever signal you run through it.  I built the circuit on vero board and used this Layout.  It's a fairly simple build as far as guitar effects go.  The enclosure came out pretty nice.  I made it out of wood and sheet metal.  The design on top of the pedal is light blue, green, and metallic yellow enamel paint.  I swirled the paint in a "ring" while it was still wet.  Get it, green ringer :)

4093 NAND Synth

Fake ad of my nandsynth.

Here's my take on the nand synth noise maker.  I used the PCB from Synthrotek 

http://www.synthrotek.com/products/4093-schmitt-trigger-nand-gate-oscillator/

The board has extra holes for modding and customization.  In that space I added Synthrotek's 555 oscillator (http://www.synthrotek.com/products/555-timer/), and injected it into the circuit.  My other mods include a voltage choke with the momentary switch in-line with the power supply.  I also added a simple volume / passive tone control like one found in a guitar.