Thursday, October 25, 2012

First Circuit Bent Toy

This is the first toy I ever successfully bent. I've been really lazy about getting my circuit bent stuff online. I'm over that now, so I figured this would be the best place to start.

I was about to give up on the whole bending toys thing and life all together until this came together so well. There were so many mods I was able to find just by poking around with one lead connected to the pitch resistor. So many that I decided to use a rotary switch so I could use them all.



The mods from top to bottom and left to right are :

  • N.C. Momentary Reset Button
  • Low Frequency Oscillator Rate Knob
  • LFO Depth and Shape Knobs
  • LFO ON/OFF Switch and Rate Indicator Light
  • Rotary Potentiometer Glitch Selector Switch
  • 1/4" Mono Jack Out
  • Glitch ON/OFF Switch
  • Glitch/Pitch Knob

Here is what the inside looks like.


The Low Frequency Oscillator is from Getlofi.com, but the I used the schematic from Casperelectronics.com under the Speak n' Spell section. I just replaced the point on the Speak n' Spell in the schematic with the pitch resistor on whatever generic toy this is.

If I was smarter at the internet, I would find a way to upload some audio. You can see what points the rotary switch goes to on the board. They basically just drop the pitch in different ways. Some of them cause it to loop over and over. I put trim pots on the pitch knob because it will crash if it gets too low.

I've seen a handful of these things bent online. Some of them have had distortion mods but there was no audio so they very well could be the same bends here. It doesn't seem like there is a lot else you can do with this thing. Although, this was the first thing I did so maybe I could find some more in there if I came back to it.

Here are some more photos of it's insides...






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