Summary

Print upload and play with force sensitive pins across space. Project requires stepper motors and arduino

Print Settings

Printer Brand:

MakerBot

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>MakerBot Replicator+</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>Doesn't Matter</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>200</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>40</p></div></p>                                                    <strong>Filament:</strong> PolyMaker PLA

Post-Printing

            <p class="detail-image"><img src="https://cdn.thingiverse.com/assets/f7/3c/c6/b3/f7/DSC_0469.JPG"></p>                <p class="detail-image"><img src="https://cdn.thingiverse.com/assets/3b/64/82/f7/0d/TAC_Assem3.JPG"></p>                <p class="detail-image"><img src="https://cdn.thingiverse.com/assets/56/c7/8c/c9/03/TAC_Assem1.JPG"></p>                <p class="detail-title"><strong>Bill of Materials</strong></p>            <div><p>BOM:</p><p>Arduino Uno<br>Bread Board<br>2V Power supply</p><p>Nema-17 Stepper Motor x 2<br>Pololu A4988 Stepper Motor Driver x 2<br>47 UF Capacitors x 2</p><p>5k Resistors<br>1/2" Force Sensitive Resistors</p><p>Jumper Cables</p><p>Zipties</p></div>                <p class="detail-image"><img src="https://cdn.thingiverse.com/assets/1d/fb/0e/d5/70/TAC_Schemeatic_I.png"></p>            <p class="detail-caption"><strong>Wiring Schematic </strong></p>                <p class="detail-title"><strong>Code</strong></p>            <div><p>/*  </p><ul><li>Touch Across Space by Julian Wellisz</li><li><li>A crappy frankenstein of</li><li><li>Simple Stepper Motor Control Example Code </li><li>by Dejan Nedelkovski, www.HowToMechatronics.com</li><li><li>&amp;</li><li><li><a rel="nofollow" href="https://forum.arduino.cc/t/stepper-motor-speed-and-direction-with-one-potentiometer/674796">https://forum.arduino.cc/t/stepper-motor-speed-and-direction-with-one-potentiometer/674796</a></li><li><p>*/</p></li></ul><p>// Defines pins numbers<br>const int stepPin = 6;<br>const int dirPin = 4;<br>int customDelay,customDelayMapped; // Defines variables</p><p>const int stepPin_B = 3;<br>const int dirPin_B = 2;<br>int customDelay_B,customDelayMapped_B; // Defines variables</p><p>int fsrReading;</p><p>void setup() {</p><p>//Serial.begin(9600);//Initialization of Serial Port<br>//delay(1000);</p><p>// Sets the two pins as Outputs<br>pinMode(stepPin,OUTPUT);<br>pinMode(dirPin,OUTPUT);</p><p>pinMode(stepPin_B,OUTPUT);<br>pinMode(dirPin_B,OUTPUT);</p><p>}<br>void loop() {<br>Serial.print (analogRead(A0)-analogRead(A1)); // difference in FSRs<br>//Serial.println(fsrReading);</p><p>customDelayMapped = speedUp(); // Gets custom delay values from the custom speedUp function<br>// Makes pules with custom delay, depending on the FSRs, from which the speed of the motor depends<br>digitalWrite(stepPin, HIGH);<br>delayMicroseconds(customDelayMapped);<br>digitalWrite(stepPin, LOW);<br>delayMicroseconds(customDelayMapped);<br>digitalWrite(stepPin_B, HIGH);<br>delayMicroseconds(customDelayMapped);<br>digitalWrite(stepPin_B, LOW);<br>delayMicroseconds(customDelayMapped);</p><p>}</p><p>// Function for reading the Potentiometer<br>int speedUp() {<br>int customDelay = abs(analogRead(A4)-analogRead(A3)); // Reads the difference in FSRs</p><p>// Determines the directions of the two steppers determined by FSRs<br>if ((analogRead(A4)-analogRead(A3))&gt;0) {<br>digitalWrite(dirPin, HIGH);<br>digitalWrite(dirPin_B, HIGH);<br>}</p><pre><code> else {</code></pre><p>digitalWrite(dirPin, LOW);<br>digitalWrite(dirPin_B, LOW);</p><p>int newCustom = map(customDelay, 1100, 0, 100,4000); // Convrests the read values of the FSRs from 0 to 1100 into desired delay values (100 to 4000)<br>return newCustom; </p><p>int newCustom_B = map(customDelay, 1100, 0, 100,4000); // Converts the read values of the FSRs from 0 to 1023 into desired delay values (100 to 4000)<br>return newCustom_B; </p><p>}<br>}</p></div>