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Step 1: Parts

This requires 3d printing, electronic work and wood work. Print all of the 3d parts (two of the wheels). Wheels and the "thing" should be printed at 100% fill. The "thing" must be a bright color (one the Pixy camera can find), but a color that (in the camera's view) only exists on "the thing."

(4) Arduino Unos

(2) Nextrox Mini 12V DC 60 RPM High Torque Gear Box Electric Motors

(2) TOOGOO(R) 37mm DC Geared Motor Mounting Bracket Holder

(2) Eureka vacuum belts (tires for the wheels)

(1) Servo gripper unit--from Jameco.com

(2) Servo motors (I use Hitec)

(1) High Torque servo motor (to pull the catapult spring)

(1) Servo motor with the mechanical stops and electronics removed (gear motor to operate actuator)

(1) Ping ultrasonic transducer

(1) Pixy camera

(8) NiMH AA batteries

(1) Battery holder for 8 AA

(1) SPDT switch

(2) Arduino Motor Shield

(4) Infrared Sensor

Plywood, 1 x 4, wood screws, electrical tape, jumper wires, solder

Note: The 3d files for the actuator (GM Leadscrew, etc.) were modified from a design by Chiprobot (http://www.thingiverse.com/thing:317192)

<p>could you make a Piano Tiles(android an iOS game) robot?</p>
That's as easy as getting a few photoresistors, arduino, and some method of triggering the screen (The design I used a while back involved solenoids). <br>Unfortunately, I never really documented it, and didn't save the code. It only took a grand total of 15 minutes to write, and I was fresh at arduino IDE at the time.<br>(Basically consists of the photo resistor detecting the color change, and the arduino powering the correlating solenoid.)
Seriously thinking of building this for a school funded project (credit will be given where it is due)<br>Could you PM me the exact servos, high torque servo, arduino motor shields, and infrared sensors that you used?
<p>Sweet! You have effectively invented a perpetual 'notion' machine... well done! :D</p>
<p>@silkier: Who will judge the worth of any pursuit? You? Me? MikeTheMaker? There will be three answers.</p>
<p>By far a Great! &quot;Useless Machine&quot;</p><p>Great idea for beginners' learning</p>
<p>Does ever so much better than my dog. I throw, she retrieves but won't bring back, sigh.</p>
<p>I love the narration in the video. Hilarious!</p>
<p>SUPER gona make this some day.</p><p>Keep up the good work.</p>
<p>What a wonderfully pointless device.</p><p>It does start the brainbox wondering if just maybe the thought and time to produce it might have been occupied in a more worthwhile pursuit...but no, what the heck, it's marvellous just as it is.</p>
<p>...yes! A 'Sisyphus' machine! Well done - </p>
<p>Thumbs up :-) I love machines that are constructed with the intention to do nothing (unlike machines that are intended to do something and actually do nothing).</p>
Simply amazing! It manages to do so much while doing nothing. I already voted for you.
<p>Thank you! I enjoyed the challenge of putting it all together.</p>
I can not find the code for camera, searching the &quot;thing&quot; an all logic around.
<p>In step number 17, &quot;vision_soft.ino&quot; is the code for the Pixy camera. </p>

About This Instructable

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Bio: I am an author and a maker. Current projects include Santa's Shop and Little Friend (ultracapacitor powered robot) on hackaday.io. I'm working ... More »
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