Thanks to the great 3d scanner design from Ferreti, I've adapted to a bubble maker, which uses 2 stepper motors each one with 6 pallets for making bubbles, and 1 usb fan for making the air flow.
Best way to make liquid composition is to use
- 6 parts water
- 2 parts dish soap
- 1 part sugar or glycerine
and slowly mix it without making bubbles.
The parts where liquid stay is about 160 ml volume so, based on above hint, I've put 125 ml water + 25 ml dish soap + 1 sugar teaspoon.
Bubble support may not fit perfectly in stepper motor so in my case I've used a lighter to warm a little bit the head of the piece.
From this thing http://www.thingiverse.com/thing:702470 download only parts:
1 x http://www.thingiverse.com/download:1128764
1 x http://www.thingiverse.com/download:1128769
1 x http://www.thingiverse.com/download:1128770
1 x http://www.thingiverse.com/download:1128771
1 x http://www.thingiverse.com/download:1128776
and from this thing http://www.thingiverse.com/thing:280318
1 x http://www.thingiverse.com/download:505597
2 x http://www.thingiverse.com/download:505607
Buy 2 stepper motors like this ones 28BYJ-48 + ULN2003 Driver Board for Arduino, and one Arduino Uno or Nano board. Also you should use a cooler fan or a usb fan to providing the air flow.
After printing all parts and assemble it, download accellstepper library from https://github.com/adafruit/AccelStepper and together with .ino file burn it to arduino board.
How to install arduino board and compile the firmware please reference to http://www.arduino.cc
For electronics supply I've used some solar usb batteries charges, which provides 5 V, perfect for arduino and stepper motor.
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