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Circuit bent toys, homemade circuits, and instruments.

UpTown Beats drum Added pitch control, and RCA jacks to work with sequencers.
More info on Toys for sequencer page.
Mr Drum Recased Mr Drum Mega Blocks lid with pitch control, and RCA jacks to work with sequencers.
More info on Toys for sequencer page.
Vtech Phone Vtech phone with pitch control, and bolt bay to work with sequencers.
More info on Toys for sequencer page.
Elmo Guitar Recased Elmo guitar with 1458 and 555 LED pitch controls, stand alone pitch control, and patchbay to work with sequencers.
More info on Toys for sequencer page.
Cookie Monster Cookie Monster has 1/4" output in his belly, pitch control in one hand, and patchbay to work with sequencers in his other hand.
More info on Toys for sequencer page.
Fuzzy BASIC Stamp microcontroller Sequencer Info and samples on BASIC Stamp microcontroller sequencer page.
Vtech Music Major New info and samples on New Music Major page.
Old info on Old Music Major page.
Pseudo Random Sequencer - 2 osc Info and samples on Pseudo Random Sequencer - 2 osc page.
Pseudo Random Sequencer - Pseudo Random Number Generator Info and samples on Pseudo Random Sequencer - Pseudo Random Number Generator page.
Vtech Laptop Sequencer Info and samples on Vtech Laptop Sequencer page.
Tone Generator Another piece for my friend M.
I started this some time ago so I do not remember eveything, but it is a basic two 555 tone generator with the option to have a drum circuit affect the 55s.
Sample 4.37 MB.
Rockin' Rhythm Drummer Info and samples on Toys for sequencer page.
Vtech Alphabet Desk Info and samples on Toys for sequencer page.
Mix Me DJ Info and samples on Toys for sequencer page.
Modular Trigger Sequencer Talked about long ago now it is a working prototype.
Info

Sample 1 2 Mb Playing Owl and Playskool drums.
Sample 2 2.88 Mb Playing Owl and Playskool drums.


Owl Drum Originally an "air drumstick" toy like Khate's Eardrill now recased in another toy. Pitch mod and ldr signal modulation. RCA jacks for controlling by mod seq.

Sample 1 1.28 Mb Played by mod seq.
Sample 2 1.88 Mb Played by mod seq.




Playskool Drum Increased the range of the stock pitch range. 3 distortion switches used in combos or solo. RCA jacks for controlling by mod seq.

Sample 1 1.94 Mb Played by mod seq.






V-Tech WhizKid Laptop 1/4" output, output switch, power on/off*, momentary "stall"/loop, control for osc controlled "stall"/loop, pitch (slows/stutters), repeat (either Repeat or Answer it is spdt center off), rotary for 6 gitches, on/off for glitches.

More pictures and videos.

Sample 1 2.2 Mb
Sample 2 1 Mb






V-tech Alphabet Desk Same bends/mods as the previous Alphabet desk. Slightly different layout of controls, added faux meter, and an aux input control for the "loop" function (that controller to come).

Sample 1 .8 Mb
Sample 2 1.1 Mb
Sample 3 600 kb
Photos Soon Voice Changer Alien/Spaceman/Robot Voice Changer. Swapped the mic for input jack and speaker for output jack. Input jack feeds through one slide pot into circuit, and through a second slide pot (parallel to the other) direct to the output. This allows mixing of effected and clean signals.

Samples are of Blue Guitar (bottom of page)
Sample 1 .8 Mb
Sample 2 1.1 Mb




Playskool
Old MacDonald
Body contacts, 555 pitch control (w/on/off), triangle wave pitch modulator (w/on/off), LED to show triangle wave's rate, 2 distortion switches, 1/4" output, kill switch.

Sample 1 1.6 MB
Sample 2 1.3 MB
Sample 3 877 kb
Sample 4 1.4 MB
Sample 5 1.4 MB




World of Learning 2 distortion switches, loop switch for looping "recorded" ditties, 1/4" output, kill switch, 2 switches to activate the 4 modes (replaces need to insert cards). Replaced xtal with 555 for pitch mod. Lights light up with buttons pressed.

Sample 1 1.2 MB
Sample 2 1.1 MB

My friend DJ Geeky C made this from one of these samples.
Slightly annoying and very thumpy! 1.63 MB




Touch&Tell Pitch, Distort (3), Glitches (4), rebuilt membrane pad with one rotary knob and patchbay for activity selection, and all "switches" are patchbay with a shorted plug.

Sample 2.47 MB






Wiggles Guitar Toy found on the street. Add distortion switch and switch to choose: regular pitch pot control or adjustable 555 osc signal.
Built for friend DJ Geeky C from Mission Giant.




Kawasaki Keyboard Joystick controls 555 injected signal and modulation of the 555, wet sound.
More info.

Sample 1 566 kb
Sample 2 1.23 MB
Sample 3 1.03 MB




Creatoy Living Room Scene Pitch (2), loop controls, and multi patchbays.
More photos.

Sample 1 917 kb
Sample 2 521 kb




Tone Organ 1/4" output. 555 based tone generator. 555 LFO with LED.
More photos.

Sample 1.24 MB




Touch&Tell Pitch, Distort (3), Glitches (4), rebuilt membrane pad with momentary buttons, and switches for activity selection.
Built for friend M from Mission Giant.




Speak&Spell Basic mods - Pitch, Loop, and Distort (2). Controls are set into the handle area with plexi on the back to see inside.




Mr Drum 4093 tone generator with many controls (plays in 4 modes). It was cased in a Mr Drum toy (bottom image), and now it is in a Jimmy Neutron toy.

4093 mode 1 1.1 MB.
4093 mode 2 182 KB.
4093 mode 3 1.1 MB.
4093 mode 4 1.4 MB.






V-Tech Alphabet Desk Course/Fine pitch mod, loop circuit, 2 glitches, 1/4" out with kill switch, and reset button.
All of the info on the bends and mods.
Built for friend Gavin from Mission Giant and Fellowshipwreck Music.

Sample 1 885 kb.
Sample 2 735 kb.
Sample 3 388 kb.


Speak&Read Replaced damaged membrane keypad with 2 rotary switches and a momentary switch, loop, pitch up/down, distort (heavy/light), 1/4" output, reset switch, and powered by 9 volt battery.




Speak&Spell Body swap, 1/4" output, new hard switch keypad, loop, pitch up/down, 2 distorts, high/low beep, melody, 5 glitches.


V-Tech Little Talking Scholar 1/4" output, volume on/off control, 2 magnet controlled pitch shifts, replaced cards with dip switches.
3 Spring Bass Original electronics removed and replaced with a cheap pickup and springs.


Blue Guitar 1/4" output. Speaker kill switch. Added 555 LFO with LED for tremelo and pitch mod. On/off switch to play uneffected original electronics.

Sample 1 694 kb
Sample 2 779 kb
Sample 3 373 kb
Sample 4 423 kb


Cookie Sax 1/4" output. Reset switch. Pitch mod.



cappy@sailormouth.org