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‎Season 2/Episode 6 - LED matrix/ledData.h

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/*
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* ledData.h
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*
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* data to be loaded onto the LED matrix, note that it is
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* a weird Xmas tree, mostly because "the winter is coming"
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*
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*/
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int red[] = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,40,
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0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,
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0,40,0,0,0,0,0,100,100,100,0,0,0,0,0,0,
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0,0,40,0,0,0,0,100,0,0,0,0,0,0,0,0,
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0,0,0,40,0,0,0,0,100,0,0,0,0,0,0,0,
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0,0,0,0,0,0,100,0,100,0,0,0,0,0,0,0,
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0,0,0,0,0,0,100,0,0,0,100,0,0,0,0,0,
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0,0,0,0,100,0,0,0,0,0,100,0,0,0,0,0,
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0,0,0,0,0,100,0,0,0,0,0,100,0,0,0,0,
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0,0,0,100,0,0,0,0,0,0,0,100,0,0,0,0,
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0,0,0,0,100,0,0,0,0,0,0,0,100,0,0,0,
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0,0,100,0,0,0,0,0,0,0,0,0,100,0,0,0,
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0,0,0,100,0,0,0,0,0,0,0,0,0,100,0,0,
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0,0,0,0,0,100,0,0,0,100,0,0,0,0,0,0,
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0,0,0,0,0,0,100,0,0,0,100,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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};
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int green[] = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,40,
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0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,
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0,40,0,0,0,0,0,100,100,100,0,0,0,0,0,0,
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0,0,40,0,0,0,0,100,0,0,0,0,0,0,0,0,
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0,0,0,40,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,100,100,100,0,0,0,0,0,0,
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0,0,0,0,0,100,100,100,100,100,0,0,0,0,0,0,
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0,0,0,0,0,0,100,100,100,100,100,0,0,0,0,0,
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0,0,0,0,100,100,100,100,100,100,100,0,0,0,0,0,
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0,0,0,0,0,100,100,100,100,100,100,100,0,0,0,0,
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0,0,0,100,100,100,100,100,100,100,100,100,0,0,0,0,
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0,0,0,0,100,100,100,100,100,100,100,100,100,0,0,0,
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0,0,0,0,0,0,100,100,100,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,100,100,100,0,0,0,0,0,0,
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0,0,0,0,0,100,100,100,100,100,0,0,0,0,0,0,
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};
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int blue[] = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,40,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,
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0,0,0,0,0,0,100,100,100,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,100,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,100,100,100,0,0,0,0,0,0,
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0,0,0,0,0,100,100,100,100,100,0,0,0,0,0,0,
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0,0,0,0,0,0,100,100,100,100,100,0,0,0,0,0,
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0,0,0,0,100,100,100,100,100,100,100,0,0,0,0,0,
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0,0,0,0,0,100,100,100,100,100,100,100,0,0,0,0,
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0,0,0,100,100,100,100,100,100,100,100,100,0,0,0,0,
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0,0,0,0,100,100,100,100,100,100,100,100,100,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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};
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‎Season 2/Episode 6 - LED matrix/realMatrix.ino

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/*
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NeoMatrix with two buttons
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Control a NeoPixel LED matrix using two buttons.
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The LED data is stored in arrays, allowing the generation of
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possible "screens" using external software
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(c) 2018 Karl, Josefine, and David for Arduino
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this code is GPLv3
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based on code by Shae Erisson (c) 2013
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*/
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#include <Adafruit_NeoPixel.h>
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#include "ledData.h"
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#ifdef __AVR__
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#include <avr/power.h>
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#endif
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// NeoPixel string is connected to pin 6
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#define PIN 6
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// size of the LED matrix: 16x16
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#define NUMPIXELS 256
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// create the NeoPixel object
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Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
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// variables to control the buttons
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// by default they have to be "HIGH"
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// because of using the internal pullup
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int buttonPin1 = 2;
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int buttonPin2 = 3;
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int buttonState1 = HIGH;
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int buttonState2 = HIGH;
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int buttonStateOld1 = HIGH;
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int buttonStateOld2 = HIGH;
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// see the other tab for checking
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// the arrays storing the LED data
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void setup() {
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// init the NeoPixel matrix
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pixels.begin();
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// configure the buttons with internal pullup resistors
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pinMode(buttonPin1, INPUT_PULLUP);
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pinMode(buttonPin2, INPUT_PULLUP);
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}
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void loop() {
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// check the status of the buttons
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buttonState1 = digitalRead(buttonPin1);
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buttonState2 = digitalRead(buttonPin2);
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// if button 1 is pressed, load the image
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if (buttonState1 == LOW && buttonStateOld1 == HIGH)
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showImage();
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// if button 2 is pressed, clear the image
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if (buttonState2 == LOW && buttonStateOld2 == HIGH)
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clearImage();
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// update the button states
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buttonStateOld1 = buttonState1;
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buttonStateOld2 = buttonState2;
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}
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// send the color information to the screen taking the data
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// from the arrays declared at the beginning of the program
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void showImage() {
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for (int i = 0; i < NUMPIXELS; i++)
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pixels.setPixelColor(i, pixels.Color(red[i], green[i], blue[i]));
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pixels.show();
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}
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// send a bunch of zeroes to the string
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void clearImage() {
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for (int i = 0; i < NUMPIXELS; i++)
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pixels.setPixelColor(i, pixels.Color(0, 0, 0));
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pixels.show();
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}
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