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The Bechele open source animatronic software and hardware project is a Raspberry Pi project, that allows to create movement models like: ventriloquist dummies, dance dolls or animal robots, with output of audio data simultaneously to the movement. You may fill your model with life, without the need of any programming.

Related link:
The project page

On the project page on one hand, the hardware will be presented and on the other hand, the required software to drive the hardware licensed under GNU V3 is published. The control software is mainly realized in Perl.

A second branch of the project is to show the resulting models in videos – “just for fun”.


  1. Pingback:New Bechele software released –

  2. Urko

    Hi Rolf. Yesterday I tried to set the SD card with raspi3_bechele2_trackui.img. I used Win32DiskImager and a brand new 16GB SD card. When introducing in The Raspberry 4b it did not boot. When using Win32DiskImager there are 4 “Hash” options. How should I do it? Should I push “Generate”. Im so sorry but Im mechanical Ingenieer and I have now idea. I bought a second SD and tried everithing again but it didn’t work. I feel lost. In my case 16 servo would be enough.The mechanics are ok an already tested with Arduino. I would need a documentation for total beginners to instal de Image.
    Thank you very much.

    • super

      Dear Urko,
      first of all sorry for the late reply – somehow I have overseen your message. I guess the image for the RaspberryPi3b does not work on the Raspberrypi4b. Theoretically the 3b image could work on a 4b, but since I don’t have a raspberry 4b I cannot test. Just one hint: I had bad problems with windows accessing the SD card after writing, when Windows (10) recognised a “non formatted SD card” and though I denied, windows spoiled the card. So you need to immedately remove the card after the image has been written. If all fails and the Raspi3b image does not fit for 4b, you may install the standard raspbian image and if you want I can try to give you online support to install the bechele tar ball on your raspi 4. As a benefit for me. I would be to be able to make an image for RaspberryPi4 that I could publish.

      Please check and let me know how you proceed.


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