Tommy Bianco
Published © CC BY-NC

ChatGPT is not an artist

Here is my 50 cents on using ChatGPT with Arduino and its drawbacks for electronic prototyping

BeginnerFull instructions provided1 hour214
ChatGPT is not an artist

Things used in this project

Hardware components

Wemos D1 Mini
Espressif Wemos D1 Mini
×1
RGB LED Pixel Matrix, NeoPixel NeoMatrix
RGB LED Pixel Matrix, NeoPixel NeoMatrix
×1
Rotary potentiometer (generic)
Rotary potentiometer (generic)
×1
Breadboard (generic)
Breadboard (generic)
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Software apps and online services

ObjectBlocks chatGPT

Story

Read more

Code

Animated "Heart" by ChatGPT

Arduino
Not quite a heart, but it works! :)
#include <Adafruit_NeoPixel.h>

#define PIXEL_PIN 6
#define PIXEL_COUNT 64

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);

const uint8_t heart1[8][8] = {
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 1, 0, 0, 1, 0, 0 },
  { 0, 1, 0, 0, 0, 0, 1, 0 },
  { 1, 0, 0, 0, 0, 0, 0, 1 },
  { 1, 0, 0, 0, 0, 0, 0, 1 },
  { 0, 1, 0, 0, 0, 0, 1, 0 },
  { 0, 0, 1, 0, 0, 1, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 }
};

const uint8_t heart2[8][8] = {
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 1, 1, 0, 0, 0, 0 },
  { 0, 1, 1, 1, 1, 1, 0, 0 },
  { 1, 1, 1, 1, 1, 1, 1, 0 },
  { 1, 1, 1, 1, 1, 1, 1, 0 },
  { 0, 1, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 1, 1, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 }
};

const uint8_t heart3[8][8] = {
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 1, 1, 1, 0, 0, 0 },
  { 0, 1, 1, 1, 1, 1, 0, 0 },
  { 0, 1, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 1, 1, 1, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 }
};

void setup() {
  pixels.begin();
  pixels.setBrightness(150); 
}

void loop() {
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      if (heart1[i][j] == 1) {
        pixels.setPixelColor(i*8+j, pixels.Color(255, 0, 100));
      } else {
        pixels.setPixelColor(i*8+j, pixels.Color(0, 0, 0));
      }
    }
  }
  pixels.show();
  delay(500);
  
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      if (heart2[i][j] == 1) {
        pixels.setPixelColor(i*8+j, pixels.Color(255, 0, 100));
      } else {
        pixels.setPixelColor(i*8+j, pixels.Color(0, 0, 0));
      }
    }
  }
  pixels.show();
  delay(500);

  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      if (heart3[i][j] == 1) {
        pixels.setPixelColor(i*8+j, pixels.Color(255, 0, 100));
      } else {
        pixels.setPixelColor(i*8+j, pixels.Color(0, 0, 0));
      }
    }
  }
  pixels.show();
  delay(500);}

Corrected, optimised and expanded animation scipt

Arduino
Improved script from the second video
#include <Adafruit_NeoPixel.h>

#define PIXEL_PIN D5
#define PIXEL_COUNT 64

Adafruit_NeoPixel RGB_matrix = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||             Colour library              ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

uint8_t palette [17][3] = {
  {0, 0, 0},         // 0. Black USED
  {255, 0, 0},       // 1. Red USED
  {0, 255, 0},       // 2. Green
  {0, 0, 255},       // 3. Blue USED
  {255, 255, 255},   // 4. White USED
  {255, 0, 255},     // 5. Purple
  {255, 255, 0},     // 6. Lemon
  {50, 255, 255},    // 7. Aqua USED
  {255, 222, 30},    // 8. Gold USED
  {255, 75, 0},      // 9. Amber USED
  {255, 50, 0},      // 10. Orange USED
  {255, 0, 30},      // 11. Pink USED
  {0, 255, 120},     // 12. Teal
  {255, 0, 8},      // 13. Magenta USED
  {0, 255, 40},      // 14. Jade
  {255, 175, 0},     // 15. Yellow USED
  {0,255,255}        // 16. Cyan
};

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||                Candle fire              ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

int flame_FrameCount = 4;
int flame_Delays = 200;

int flame [4][8][8] = {
  // Frame 1
  {{0, 0, 1, 0, 0, 0, 0, 0 },
  {0, 0, 1, 1, 0, 0, 0, 1 },
  {0, 0, 1, 10, 1, 0, 0, 0 },
  {0, 1, 1, 10, 10, 1, 0, 0 },
  {0, 1, 10, 9, 10, 1, 1, 0 },
  {0, 1, 10, 9, 9, 10, 1, 0 },
  {0, 1, 10, 10, 10, 1, 0, 0 },
  {0, 0, 1, 1, 1, 1, 0, 0 }},
  // Frame 3
  {{0, 0, 0, 0, 0, 0, 0, 0 },
  {1, 0, 0, 0, 1, 0, 0, 0 },
  {0, 0, 0, 1, 10, 1, 0, 0 },
  {0, 0, 1, 10, 10, 1, 0, 0 },
  {0, 1, 1, 10, 9, 1, 1, 0 },
  {0, 1, 10, 9, 9, 10, 1, 0 },
  {0, 1, 10, 10, 10, 10, 1, 0 },
  {0, 0, 1, 1, 1, 1, 0, 0 }},
  // Frame 2
  {{0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 1, 0, 0, 0, 1 },
  {0, 0, 1, 10, 1, 0, 0, 0 },
  {0, 0, 1, 10, 10, 1, 0, 0 },
  {0, 1, 1, 9, 10, 1, 1, 0 },
  {0, 1, 10, 9, 9, 10, 1, 0 },
  {0, 1, 10, 10, 10, 10, 1, 0 },
  {0, 0, 1, 1, 1, 1, 0, 0 }},
  
  // Frame 4
  {{1, 0, 0, 0, 0, 1, 0, 0 },
  {0, 0, 0, 0, 1, 1, 0, 0 },
  {0, 0, 0, 1, 10, 1, 0, 0 },
  {0, 0, 1, 10, 9, 10, 1, 0 },
  {0, 1, 1, 10, 9, 10, 1, 0 },
  {0, 1, 10, 9, 9, 10, 1, 0 },
  {0, 0, 1, 10, 10, 10, 1, 0 },
  {0, 0, 1, 1, 1, 1, 0, 0 }}
};

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||                Empty screen             ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

int NA_FrameCount = 1;
int NA_delays = 1000;

int NA [1][8][8] = {
  // Frame 1
  {{0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 }}};

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||         Animation / Colour demo         ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

int colorDemo_FrameCount = 1;

int colorDemo[1][8][8] = {
  {{1, 2, 3, 4, 5, 6, 7, 8 },
  {9, 10, 11, 12, 13, 14, 15, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 },
  {0, 0, 0, 0, 0, 0, 0, 0 }}};

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||          Animation / Heartbeat          ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

int heartbeat_FrameCount = 5;
int heartbeat_Delays = 250;

int heartbeat_filled [5][8][8] = {
  // Frame 1
  {{ 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 }},
  // Frame 2
  {{ 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 1, 0, 0, 1, 0, 0 },
  { 0, 1, 1, 1, 1, 1, 1, 0 },
  { 0, 1, 1, 11, 11, 1, 1, 0 },
  { 0, 1, 1, 11, 11, 1, 1, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 }},
  // Frame 3
  {{ 0, 1, 1, 0, 0, 1, 1, 0 },
  { 1, 1, 1, 1, 1, 1, 1, 1 },
  { 1, 1, 11, 1, 1, 11, 1, 1 },
  { 1, 1, 11, 11, 11, 11, 1, 1 },
  { 1, 1, 11, 11, 11, 11, 1, 1 },
  { 0, 1, 1, 11, 11, 1, 1, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 }},
  // Frame 4
  {{ 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 1, 0, 0, 1, 0, 0 },
  { 0, 1, 1, 1, 1, 1, 1, 0 },
  { 0, 1, 1, 11, 11, 1, 1, 0 },
  { 0, 1, 1, 11, 11, 1, 1, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 }},
  // Frame 5 
  {{ 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 1, 1, 1, 1, 0, 0 },
  { 0, 0, 0, 1, 1, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0 }}
};

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||          Check encoder function         ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

#define CLK D7
#define DT D6
#define SW D2

int brightness_range [11] = {0,1,5,10,15,25,50,75,100,150,255};
int counter = 3;
int counter_max = 10;
bool currentStateCLK;
bool lastStateCLK;
bool currentStateSW;
bool lasStateSW = 1;
int mode = 0;
int mode_max = 2;

void check_encoder () {
  currentStateCLK = digitalRead(CLK);
  // If last and current CLK are different, a pulse occurred / React to only 1 state change to avoid double count
  if (currentStateCLK != lastStateCLK  && currentStateCLK == 1){
    if (digitalRead(DT) != currentStateCLK) {
      counter++;
      if (counter > counter_max) {counter = counter_max;}
    } 
    else {
      counter--;
      if (counter < 0) {counter = 0;}
    }
    RGB_matrix.setBrightness(brightness_range[counter]); 
  }
  lastStateCLK = currentStateCLK;   // Remember last CLK state
  // Read the button state
  currentStateSW = digitalRead(SW);
  if (currentStateSW ==0 && lasStateSW == 1){
    mode = mode + 1;
    if (mode > mode_max) {mode = 0;}
  }
  if (currentStateSW != lasStateSW){lasStateSW = currentStateSW;}
  Serial.print(digitalRead(CLK));
  Serial.print(" ");
  Serial.print(digitalRead(DT));
  Serial.print(" ");
  Serial.print(digitalRead(SW));
  Serial.println(" ");
}

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||            "Display" funciton           ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

unsigned long lastMillis = 0;

void DisplayAnimation (int InputAnimation[][8][8], int FrameCount = 1, int delays = 200) {
  for (int Frame = 0; Frame < FrameCount; Frame++){
    for (int Y=0; Y<8; Y++) {
      for (int X=0; X<8; X++) {
        uint32_t colour = RGB_matrix.Color(palette[InputAnimation[Frame][Y][X]][0], palette[InputAnimation[Frame][Y][X]][1], palette[InputAnimation[Frame][Y][X]][2]);
        RGB_matrix.setPixelColor(Y*8+X, colour);
      }
    }
    RGB_matrix.show();
    while (millis() - lastMillis <= delays) {
      check_encoder ();
      delay(10);
    }
    lastMillis = millis();
  }
}

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||            Branching funciton           ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

void branching_function () {
  if (mode == 0) {DisplayAnimation(heartbeat_filled, heartbeat_FrameCount, heartbeat_Delays);}
  else if (mode == 1) {DisplayAnimation(flame, flame_FrameCount, flame_Delays);}
  else if (mode == 2) {DisplayAnimation(colorDemo, colorDemo_FrameCount);}

/*  |||||||||||||||||||||||||||||||||||||||||||||||||||||
    ||||||                Main body                ||||||
    ||||||||||||||||||||||||||||||||||||||||||||||||||||| */

void setup() {
  // Set encoder pins as inputs
  pinMode(CLK,INPUT);
  pinMode(DT,INPUT);
  pinMode(SW, INPUT_PULLUP);
  lastStateCLK = digitalRead(CLK);
  Serial.begin(9600);
  
  // Matrix display initiation
  RGB_matrix.begin();
  RGB_matrix.setBrightness(brightness_range[counter]); 
  DisplayAnimation(NA, NA_FrameCount);
  delay(100);
}

void loop() {branching_function ();}

Credits

Tommy Bianco

Tommy Bianco

5 projects • 2 followers
A biologist procrastinating

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