5/9/2023 0 Comments Bubble bot![]() I used a geared motor module I disassembled from a scanner/printer, but you can use anything, as long as it's 6v, around 5-10 RPM * 6V Geared motor This one's responsible for raising and lowering the arms that go into the soap bucket and spread open in the air, so it better be geared to take some load. I got mine for free in a time of blissful need from someone during geekcon2010, but it was roughly similar in size and torque to this one. * A Servo, preferably not the lamest one you can get. * A levered micro-switch, something like this one. * 10 1.5" long wood screws, 3-4mm in diameter Therefore, it should be sturdier than the others. * 1 round wooden stick, 2 feet long, 5mm in diameter (Or - zip-tie together two 1-feet sticks!) This will be used as the lever allowing the motor to bring the arms up and down, using the fishing line. One of them will be fixed to the piece of flat wood, and the other will be mounted to the servo - this means they need to be as light-weight as possible. * 2 round wooden sticks, 2 feet long, 3mm in diameter (Or zip-tie together two 1-feet sticks) These will be used as the poles holding the threads that create the bubbles. One of the reasons I like using distilled water, is that the thread will never hardens. that it would be flexible enough and not form knots. ![]() that it would be able to absorb the soap and b. I actually used a mountaineering thread I had, about 5mm wide. * 6 feet thick thread for making the bubbles, preferably made of cloth Use a thread that is both absorbing and flexible - important for bubble making, as you'll find out. * 6 feet fishing line This will be used to connect the motor to the arms, so better get a strong one Sorry for being somewhat vague, it'd take quite a coincidence for you to get exactly the same parts, do your scavenging & adjustments * Some bolts, nuts, washers I used 1/8" diameter ones, various lengths. * 5 tiny-size zip ties for attaching the opening-closing arm to the servo Make them colorful if you can, to go with the rest of the design! * 20 medium-size zip ties for securing the plastic floats to the wooden frame alternatively, you could go with glue. * 4 Colorful plastic floats a.k.a "Wacky Noodles", ~5 feet long. * 2 hinges, mine were about 1.5" in length. From now forth I'll refer to it as the wooden shelf. * 12" x 4" x 0.5" piece of wood for holding the fan and servo. Although you could probably get away with plywood if you wanted to, I always like to go for something sturdier than what I actually need, to compensate for unexpected shortcomings. * 5 x 4-feet long rectangular profile (0.5" x 0.5") pieces of wood, as solid as possible. Here's a list of the materials and parts I used:
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