Drum Buddy!

Ok obviously many of you out there have seen this already but it has now hit classic status in my book so if you have seen it go ahead and check it out again. If you have not had the pleasure let me introduce you to the drum buddy. It's a magnificent five oscillator synth with light sensors and a turntable/light combo that makes for the most simplistically genius blend of form and function I have seen since the pistol! Functional folk-art. Whatever you want to call it, it inspired me so much when I saw it around 2008! It blew my mind. I paid homage to it with a turntable wah I made but I can't touch the craftsmanship that goes into the drum buddy. Like I said, It's just an homage. Quintron is the great genius behind the drum buddy. If you haven't heard his music yet check it out. Q and miss pussycat just came through Eureka and played the shanty, it was amazing!

Rogue "analog" delay pedal

pretty nifty box it came in

I was in the market for a new delay pedal when this one came along. The rogue "analog" delay pedal. This one I swooped on for $30 bux shipping included! We cannot compete with the Chinese! I can't make a delay pedal for parts alone for that cheap. Slaves probably made this pedal and I'm a dick for buying this but I needed a new one and the good ones like the boss or line6 delays are just a little bit out of my budget. I digress, I got this "analog" delay pedal for ridiculously cheap and I am putting analog in quotes like that because It's a digital delay, when I opened it up it had the same pt2399  chip that is in all these cheap digital delays. I had a danelectro spring reverb pedal and a rocktron short timer and they both used this IC chip and I easily modded those so they worked the way I wanted to. This time I took pictures. Right away when I got it out of the very cool looking box it came in I noticed two things that sucked about it: one was that the shortest delay you could get from it was not very short at all, and the second was that it would not self oscillate no matter how high the repeats. These aspects especially the  latter would be semi-desirable traits of a delay for some people but I like to have a really short delay so I can get a room sound and I like a lot of feedback from a delay it reminds me of skinny puppy vocals. Also bauhaus used delays alot.  If you just google search pt2399 there's a plethora of good stuff on modding this chip and making your own delay pedal.

Pin 6 resistance to ground controls delay time. I took out a 10k resistor = quicker delays. I read that you want to have at least a 1k resistor here. It's true I just removed it and put a glob of solder there so now I just try not to have the delay time all the way up during start up or else it needs to be reset.

The 10k resistor I took out is right there it says 103

glob=after

this is the example circuit on the datasheet. Inside this pedal there's pretty similar stuff going on. The feedback or repeats knob is the pot in between pins 14 and 16. This pedal had a fixed 33k resistor that I took out that was limiting self oscillation.

it's the third one down, the row on the right, the one that says 333 on it

and after no resistor = massive self oscillation
and the final product!