DIY Guitar Speed Pick & Stomp Pedal – Build Your Own 3D‑Printed Motorized Pick

Necessary tools and machines

	Soldering iron (generic)
	3D Printer (generic)

Apps and online services

	Autodesk Fusion 360
	Arduino IDE

About this project

Create your own speed pick and stomp back at home with this easy 3D-printed and a simple Arduino project!

Create and Assemble

Software

• Model Design: Autodesk Fusion 360 https://www.autodesk.com/products/fusion-360/overview

• 3D Print Slicer Software: Simplify3D https://www.simplify3d.com

• Coding Software: Arduino IDE https://www.arduino.cc/en/Main/Software

3D Printer Used

• Creality CR-10

Downloads

• Simplify3D FFF Profile :https://drive.google.com/open?id=1an5pNq8Q5vVltrBfKb08eP2k33RQ4BWq

• 3D Model Parts :https://www.thingiverse.com/thing:3058807

Components

• 1 x Arduino Uno

• 1 x L293D motor driver

• 1 x 6V DC motor – medium torque

• 1 x LED

• 2 x 10K potentiometer

• 1 x Potentiometer turn button

• 1 x Mini breadboard

• 1 x Push button (no lock mechanism)

• 1 x Small breadboard wires

• 1 x RCA Cable (2 point)

• 1 x Adjustable Voltage Power Adapter

Code

• Arduino Code to control Motor Speed via Pedal

Arduino Code to control Motor Speed via PedalArduino

#define PIN_Pot			A0
#define PIN_LED			9
#define PIN_Input1	2 //L293D pin 2
#define PIN_Input2	7 //L293D pin 7
#define PIN_Speed		3 //L293D pin 1

int sensorValue = 0;

void setup()
{
	pinMode(PIN_Speed, OUTPUT);
	pinMode(PIN_LED, OUTPUT);
	pinMode(PIN_Input1, OUTPUT);
	pinMode(PIN_Input2, OUTPUT);
}

void loop()
{
	sensorValue = analogRead(PIN_Pot)/4;
	
	analogWrite(PIN_LED, map(sensorValue, 0, 255, 10, 255));
	analogWrite(PIN_Speed, map(sensorValue, 0, 255, 50, 220));
	
	//Setting the direction of the DC Motor
	digitalWrite(PIN_Input1, LOW);
	digitalWrite(PIN_Input2, HIGH);
}

Schematics