ENIB 2022 - groupe B : Grande roue

De Les Fabriques du Ponant
Révision datée du 14 janvier 2022 à 16:26 par Perglaz (discussion | contributions) (photo du projet)
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Equipe

  • Kaddah Salah El Dine
  • Malherbe Julie
  • Floch Louane
  • La Marre Pierre

photo du projet

Roueface.jpg

600px

Que fait ce projet ?

La grande roue peut tourner dans les 2 sens, émet une musique, et est illuminée au niveau de son support

Liste des composants

Technique:

  • Wemos D1 Mini x1
  • servo moteur x1
  • potentiomètre x1
  • bandeau de led rvb adressable WS2812B x36 led
  • pack son (Haut parleur; carte son ; lecteur) x1
  • interrupteur x2
  • buzzer

Autre:

  • carton
  • papiers de couleur (blanc, bleu, rose)
  • pics de bois
  • axe cylindrique en bois

Circuit

  • Roue:

MontageGeneral.png

MontageGeneralCircuit.png

  • Musique:

Hautparleurcircuit.png

Code

#include <Servo.h>
#include<FastLED.h>
#define LED_PIN     5
#define NUM_LEDS    10
#define BRIGHTNESS  64
#define LED_TYPE    WS2811
#define COLOR_ORDER GRB
CRGB leds[NUM_LEDS];
#define UPDATES_PER_SECOND 100

CRGBPalette16 currentPalette;
TBlendType    currentBlending;
extern CRGBPalette16 myRedWhiteBluePalette;
extern const TProgmemPalette16 myRedWhiteBluePalette_p PROGMEM;
Servo esc;  // create servo object to control a servo
int val;        // variable to read value from analog pin

void setup()
{
  esc.attach(D7);  // attaches servo on D7 to the servo object


  delay( 3000 ); // power-up safety delay
  FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
  FastLED.setBrightness(  BRIGHTNESS );

  currentPalette = RainbowColors_p;
  currentBlending = LINEARBLEND;

}

void loop()
{
  val = analogRead(0);               // reads potentiometer value (between 0 and 1023)
  val = map(val, 0, 1023, 0, 180);   // scale it to use it with the servo (between 0 and 180)
  esc.write(val);                    // sets servo position according to scaled value
  delay(15); // waits for servo to get there



  ChangePalettePeriodically();

  static uint8_t startIndex = 0;
  startIndex = startIndex + 1; /* motion speed */

  FillLEDsFromPaletteColors( startIndex);

  FastLED.show();
  FastLED.delay(1000 / UPDATES_PER_SECOND);


}








void FillLEDsFromPaletteColors( uint8_t colorIndex)
{
  uint8_t brightness = 255;

  for ( int i = 0; i < NUM_LEDS; i++) {
    leds[i] = ColorFromPalette( currentPalette, colorIndex, brightness, currentBlending);
    colorIndex += 3;
  }
}
// There are several different palettes of colors demonstrated here.
//
// FastLED provides several 'preset' palettes: RainbowColors_p, RainbowStripeColors_p,
// OceanColors_p, CloudColors_p, LavaColors_p, ForestColors_p, and PartyColors_p.
//
// Additionally, you can manually define your own color palettes, or you can write
// code that creates color palettes on the fly.  All are shown here.
void ChangePalettePeriodically()
{
  uint8_t secondHand = (millis() / 1000) % 60;
  static uint8_t lastSecond = 99;

  if ( lastSecond != secondHand) {
    lastSecond = secondHand;
    if ( secondHand ==  0)  {
      currentPalette = RainbowColors_p;
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 10)  {
      currentPalette = RainbowStripeColors_p;
      currentBlending = NOBLEND;
    }
    if ( secondHand == 15)  {
      currentPalette = RainbowStripeColors_p;
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 20)  {
      SetupPurpleAndGreenPalette();
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 25)  {
      SetupTotallyRandomPalette();
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 30)  {
      SetupBlackAndWhiteStripedPalette();
      currentBlending = NOBLEND;
    }
    if ( secondHand == 35)  {
      SetupBlackAndWhiteStripedPalette();
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 40)  {
      currentPalette = CloudColors_p;
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 45)  {
      currentPalette = PartyColors_p;
      currentBlending = LINEARBLEND;
    }
    if ( secondHand == 50)  {
      currentPalette = myRedWhiteBluePalette_p;
      currentBlending = NOBLEND;
    }
    if ( secondHand == 55)  {
      currentPalette = myRedWhiteBluePalette_p;
      currentBlending = LINEARBLEND;
    }
  }
}
// This function fills the palette with totally random colors.
void SetupTotallyRandomPalette()
{
  for ( int i = 0; i < 16; i++) {
    currentPalette[i] = CHSV( random8(), 255, random8());
  }
}
// This function sets up a palette of black and white stripes,
// using code.  Since the palette is effectively an array of
// sixteen CRGB colors, the various fill_* functions can be used
// to set them up.
void SetupBlackAndWhiteStripedPalette()
{
  // 'black out' all 16 palette entries...
  fill_solid( currentPalette, 16, CRGB::Black);
  // and set every fourth one to white.
  currentPalette[0] = CRGB::White;
  currentPalette[4] = CRGB::White;
  currentPalette[8] = CRGB::White;
  currentPalette[12] = CRGB::White;

}
// This function sets up a palette of purple and green stripes.
void SetupPurpleAndGreenPalette()
{
  CRGB purple = CHSV( HUE_PURPLE, 255, 255);
  CRGB green  = CHSV( HUE_GREEN, 255, 255);
  CRGB black  = CRGB::Black;

  currentPalette = CRGBPalette16(
                     green,  green,  black,  black,
                     purple, purple, black,  black,
                     green,  green,  black,  black,
                     purple, purple, black,  black );
}
// This example shows how to set up a static color palette
// which is stored in PROGMEM (flash), which is almost always more
// plentiful than RAM.  A static PROGMEM palette like this
// takes up 64 bytes of flash.
const TProgmemPalette16 myRedWhiteBluePalette_p PROGMEM =
{
  CRGB::Red,
  CRGB::Gray, // 'white' is too bright compared to red and blue
  CRGB::Blue,
  CRGB::Black,

  CRGB::Red,
  CRGB::Gray,
  CRGB::Blue,
  CRGB::Black,

  CRGB::Red,
  CRGB::Red,
  CRGB::Gray,
  CRGB::Gray,
  CRGB::Blue,
  CRGB::Blue,
  CRGB::Black,
  CRGB::Black
};

Sources

  • créer la grande roue:

https://www.lasdi.com/la-grande-roue.html

  • code servo moteur:

https://raspi.tv/2018/using-wemos-d1-mini-to-control-a-brushless-motor-with-esc-and-servo-signals

  • bandeau de led rvb adressable WS2812B:

https://www.raspberryme.com/guide-pour-la-bande-led-rvb-adressable-ws2812b-avec-arduino/

  • bibliothèque des leds WS2812B (le code utilise l'exemple "ColorPalette" de cette bibliothèque):

https://github.com/FastLED/FastLED/archive/master.zip

  • utiliser Wemos D1 Mini avec arduino:

http://www.wikidebrouillard.org/wiki/Utiliser_le_D1_mini_avec_Arduino

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