# Voice changer megaphone toy hack (+ module)

**URL:** <https://lookmumnocomputer.discourse.group/t/voice-changer-megaphone-toy-hack-module/1148>\
**Category:** DIY STUFF\
**Created:** [June 7, 2020, 11:37pm UTC](https://lookmumnocomputer.discourse.group/t/voice-changer-megaphone-toy-hack-module/1148 "2020-06-07T23:37:26Z")\
**Posts on this page:** 1\
**Showing post:** 34

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**Author:** ![Dud](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/dud/32/610_2.png) [@Dud](https://lookmumnocomputer.discourse.group/u/Dud)\
**Post date:** [August 5, 2024, 1:31pm UTC](https://lookmumnocomputer.discourse.group/t/voice-changer-megaphone-toy-hack-module/1148/34 "2024-08-05T13:31:08Z")

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A long time ago I had circuit bender a mini “Buzz L’Eclair” (Toy Story) voice changer toy (the “[Roboto Pitch](https://soundbender36.wordpress.com/2017/12/19/roboto-pitch/)”) and the sound was good so I decided to bring it up to date and make it something more complete today, with LFO + env …

my old version :

 ![Robotopitch (2)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/8/7/87ec0bd8c7ab160e3850718b7c20c35549e110e5.jpeg)

and now 🙂 :

 ![fx pitch - sound bender (6)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/d/e/de7c5e685da3442524f3f190d29bed44894715e3.jpeg)

i’ve added a Casper Electronic LFO with Shape Rate and Depth, switch for long or short cap  
and a Optical Enveloppe for long pulse with also a switch for long or very long (1000uf cap!!!)

here all the build process

 ![fx pitch - sound bender (1)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/6/2/62a4d80c2aaabdfe71d9f34c3fd7f53ab44877ac.jpeg)  
 ![fx pitch - sound bender (2)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/c/6/c68bd914165555e5d54fd6b118e367569b279efc.jpeg)  
 ![fx pitch - sound bender (3)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/e/5/e5a0c128cc2d239d716a6d6d63ab84789423231c.jpeg)  
 ![fx pitch - sound bender (4)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/9/d/9d1ef349e8416af9a9623fdb0d562f2331126595.jpeg)  
 ![fx pitch - sound bender (5)](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/f/8/f8e93cc7bc8e28562567fc6ca6c183d0d30f5854.jpeg)

demo of the FX Pitch Box with the Minipops dum machine

[![](https://global.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/3X/2/c/2c5bc8cf3bd4142d548b02d401177fa8f91130c2.jpeg "DIY FX PITCH BOX - Sound Bender") ](https://www.youtube.com/watch?v=K4KJtsuh2JE)

more details and schems on [my blog](https://soundbender36.wordpress.com/2024/08/05/fx-pitch-box/)

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