https://padlet.com/culturesciences/DIDAOPTIC_V2 Modèle intermédiaire d'une source étendue Echantillonage : La surface de l'objet lumineux est vu comme un un ensemble de sources ponctuelles isotropes - matrice de DEL R,V,B DIDA✪PTIC est un modèle intermédiaire expérimental qui permet d’enseigner : - Les conditions de vision - La vision des couleurs - Synthèse additive et limite de validité du modèle simple (Couleurs de contrastes simultanés) Synthèse soustractive Ombres colorées Filtres Surfaces colorées - La notion d’objet lumineux : ponctuel et étendu - Les ombres et pénombres - Fonctionnement d’une camera obscura - Le dispositif peut être adapté à un banc d’optique : condition de gauss, formation d’images dans le cas des systèmes optiques stigmatiques. en-us 2017-08-27 08:29:20 UTC 2025-11-10 10:32:03 UTC hello@padlet.com culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967093 colorshieldv1.1
L'utilisation du bouclier : ColorShielV1.1 nécessite d'utiliser l'ancien IDE de l'Arduino Uni : Version 023 - (https://www.arduino.cc/en/Main/OldSoftwareReleases) 
La bibliothèque Colorduino n'est plus compatible avec les nouvelles version de l'IDE. ]]> 2017-08-27 09:03:38 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967093 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967231 A installer dans le dossier library : contrôle de la matrice LED 9x9]]> 2017-08-27 09:10:30 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967231 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967271 A installer dans le dossier library : Lecture de bouton]]> 2017-08-27 09:11:41 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967271 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967950 #include <Colorduino.h> #include <Bounce2.h> #include <Wire.h> #define BUTTON_PIN 2 typedef struct { unsigned char r; unsigned char g; unsigned char b; } ColorRGB; //a color with 3 components: h, s and v typedef struct { unsigned char h; unsigned char s; unsigned char v; } ColorHSV; unsigned char plasma[ColorduinoScreenWidth][ColorduinoScreenHeight]; long paletteShift; const int buttonPin = 2; int choix = 0; // Les variables sont modifiées au cours du programme //Converts an HSV color to RGB color void HSVtoRGB(void *vRGB, void *vHSV) { float r, g, b, h, s, v; //this function works with floats between 0 and 1 float f, p, q, t; int i; ColorRGB *colorRGB=(ColorRGB *)vRGB; ColorHSV *colorHSV=(ColorHSV *)vHSV; h = (float)(colorHSV->h / 256.0); s = (float)(colorHSV->s / 256.0); v = (float)(colorHSV->v / 256.0); //if saturation is 0, the color is a shade of grey if(s == 0.0) { b = v; g = b; r = g; } //if saturation > 0, more complex calculations are needed else { h *= 6.0; //to bring hue to a number between 0 and 6, better for the calculations i = (int)(floor(h)); //e.g. 2.7 becomes 2 and 3.01 becomes 3 or 4.9999 becomes 4 f = h - i;//the fractional part of h p = (float)(v * (1.0 - s)); q = (float)(v * (1.0 - (s * f))); t = (float)(v * (1.0 - (s * (1.0 - f)))); switch(i) { case 0: r=v; g=t; b=p; break; case 1: r=q; g=v; b=p; break; case 2: r=p; g=v; b=t; break; case 3: r=p; g=q; b=v; break; case 4: r=t; g=p; b=v; break; case 5: r=v; g=p; b=q; break; default: r = g = b = 0; break; } } colorRGB->r = (int)(r * 255.0); colorRGB->g = (int)(g * 255.0); colorRGB->b = (int)(b * 255.0); } float dist(float a, float b, float c, float d) { return sqrt((c-a)*(c-a)+(d-b)*(d-b)); } char caractereRecu=0; // variable pour stockage caractère recu int compt=0; // variable comptage caractères reçus String chaineReception=""; // déclare un objet String vide pour reception chaine int tempo=0; void plasma_morph() { unsigned char x,y; float value; ColorRGB colorRGB; ColorHSV colorHSV; for(y = 0; y < ColorduinoScreenHeight; y++) for(x = 0; x < ColorduinoScreenWidth; x++) { { value = sin(dist(x + paletteShift, y, 128.0, 128.0) / 8.0) + sin(dist(x, y, 64.0, 64.0) / 8.0) + sin(dist(x, y + paletteShift / 7, 192.0, 64) / 7.0) + sin(dist(x, y, 192.0, 100.0) / 8.0); colorHSV.h=(unsigned char)((value) * 128)&0xff; colorHSV.s=255; colorHSV.v=255; HSVtoRGB(&colorRGB, &colorHSV); Colorduino.SetPixel(x, y, colorRGB.r, colorRGB.g, colorRGB.b); } } paletteShift++; Colorduino.FlipPage(); // swap screen buffers to show it } /******************************************************** Name: ColorFill Function: Fill the frame with a color Parameter:R: the value of RED. Range: RED 0~255 G: the value of GREEN. Range: RED 0~255 B: the value of BLUE. Range: RED 0~255 ********************************************************/ void ColorFill(unsigned char R,unsigned char G,unsigned char B) { PixelRGB *p = Colorduino.GetPixel(0,0); for (unsigned char y=0;y<ColorduinoScreenWidth;y++) { for(unsigned char x=0;x<ColorduinoScreenHeight;x++) { p->r = R; p->g = G; p->b = B; p++; } } Colorduino.FlipPage(); } Bounce debouncer = Bounce(); void setup() { // Setup the button with an internal pull-up : // pinMode(BUTTON_PIN,INPUT_PULLUP); // After setting up the button, setup the Bounce instance : debouncer.attach(BUTTON_PIN); debouncer.interval(30); Colorduino.Init(); // initialize the board // unsigned int i =0 ; // met la broche en entrée pinMode(buttonPin, INPUT); // Attention : utiliser la meme vitesse de communication pour le Terminal Série Serial.begin(9600); // compensate for relative intensity differences in R/G/B brightness // array of 6-bit base values for RGB (0~63) // whiteBalVal[0]=red // whiteBalVal[1]=green // whiteBalVal[2]=blue unsigned char whiteBalVal[3] = {63,63,63}; // for LEDSEE 6x6cm round matrix Colorduino.SetWhiteBal(whiteBalVal); // start with morphing plasma, but allow going to color cycling if desired. paletteShift=128000; unsigned char bcolor; //generate the plasma once for(unsigned char y = 0; y < ColorduinoScreenHeight; y++) for(unsigned char x = 0; x < ColorduinoScreenWidth; x++) { //the plasma buffer is a sum of sines bcolor = (unsigned char) ( 128.0 + (128.0 * sin(x*8.0 / 16.0)) + 128.0 + (128.0 * sin(y*8.0 / 16.0)) ) / 2; plasma[x][y] = bcolor; } // to adjust white balance you can uncomment this line // and comment out the plasma_morph() in loop() // and then experiment with whiteBalVal above //ColorFill(255,255,255); } void loop() { // Update the Bounce instance : debouncer.update(); // Get the updated value if ( debouncer.fell()) { choix++; //Serial.print("compteur :"); // Serial.println(i); Colorduino.ColorFill(0,0,0); Colorduino.FlipPage(); switch (choix) { case 1: // un pixel blanc Colorduino.SetPixel(4,2,255,255,255); Colorduino.FlipPage(); break; case 2: // un pixel rouge Colorduino.SetPixel(4,2,255,0,0); Colorduino.FlipPage(); break; case 3: // un pixel vert Colorduino.SetPixel(4,2,0,255,0); Colorduino.FlipPage(); break; case 4: // un pixel bleu Colorduino.SetPixel(4,2,0,0,255); Colorduino.FlipPage(); break; case 5: // un pixel rouge et vert Colorduino.SetPixel(4,2,255,0,0); Colorduino.SetPixel(4,4,0,255,0); Colorduino.FlipPage(); break; case 6: // un pixel vert et bleu Colorduino.SetPixel(4,2,0,255,0); Colorduino.SetPixel(4,4,0,0,255); Colorduino.FlipPage(); break; case 7: // un pixel rouge et bleu Colorduino.SetPixel(4,2,255,0,0); Colorduino.SetPixel(4,4,0,0,255); Colorduino.FlipPage(); break; case 8: // un pixel rouge vert et bleu Colorduino.SetPixel(4,2,255,0,0); Colorduino.SetPixel(4,4,0,255,0); Colorduino.SetPixel(4,6,0,0,255); Colorduino.FlipPage(); break; case 9: ColorFill(255,0,0); Colorduino.FlipPage(); break; case 10: ColorFill(0,255,0); Colorduino.FlipPage(); break; case 11 : ColorFill(0,0,255); Colorduino.FlipPage(); break; case 12 : // synthèse jaune Colorduino.SetPixel(0,0,255,0,0); Colorduino.SetPixel(0,1,0,255,0); Colorduino.SetPixel(0,2,255,0,0); Colorduino.SetPixel(0,3,0,255,0); Colorduino.SetPixel(0,4,255,0,0); Colorduino.SetPixel(0,5,0,255,0); Colorduino.SetPixel(0,6,255,0,0); Colorduino.SetPixel(0,7,0,255,0); Colorduino.SetPixel(1,0,0,255,0); Colorduino.SetPixel(1,1,255,0,0); Colorduino.SetPixel(1,2,0,255,0); Colorduino.SetPixel(1,3,255,0,0); Colorduino.SetPixel(1,4,0,255,0); Colorduino.SetPixel(1,5,255,0,0); Colorduino.SetPixel(1,6,0,255,0); Colorduino.SetPixel(1,7,255,0,0); Colorduino.SetPixel(2,0,255,0,0); Colorduino.SetPixel(2,1,0,255,0); Colorduino.SetPixel(2,2,255,0,0); Colorduino.SetPixel(2,3,0,255,0); Colorduino.SetPixel(2,4,255,0,0); Colorduino.SetPixel(2,5,0,255,0); Colorduino.SetPixel(2,6,255,0,0); Colorduino.SetPixel(2,7,0,255,0); Colorduino.SetPixel(3,0,0,255,0); Colorduino.SetPixel(3,1,255,0,0); Colorduino.SetPixel(3,2,0,255,0); Colorduino.SetPixel(3,3,255,0,0); Colorduino.SetPixel(3,4,0,255,0); Colorduino.SetPixel(3,5,255,0,0); Colorduino.SetPixel(3,6,0,255,0); Colorduino.SetPixel(3,7,255,0,0); Colorduino.SetPixel(4,0,255,0,0); Colorduino.SetPixel(4,1,0,255,0); Colorduino.SetPixel(4,2,255,0,0); Colorduino.SetPixel(4,3,0,255,0); Colorduino.SetPixel(4,4,255,0,0); Colorduino.SetPixel(4,5,0,255,0); Colorduino.SetPixel(4,6,255,0,0); Colorduino.SetPixel(4,7,0,255,0); Colorduino.SetPixel(5,0,0,255,0); Colorduino.SetPixel(5,1,255,0,0); Colorduino.SetPixel(5,2,0,255,0); Colorduino.SetPixel(5,3,255,0,0); Colorduino.SetPixel(5,4,0,255,0); Colorduino.SetPixel(5,5,255,0,0); Colorduino.SetPixel(5,6,0,255,0); Colorduino.SetPixel(5,7,255,0,0); Colorduino.SetPixel(6,0,255,0,0); Colorduino.SetPixel(6,1,0,255,0); Colorduino.SetPixel(6,2,255,0,0); Colorduino.SetPixel(6,3,0,255,0); Colorduino.SetPixel(6,4,255,0,0); Colorduino.SetPixel(6,5,0,255,0); Colorduino.SetPixel(6,6,255,0,0); Colorduino.SetPixel(6,7,0,255,0); Colorduino.SetPixel(7,0,0,255,0); Colorduino.SetPixel(7,1,255,0,0); Colorduino.SetPixel(7,2,0,255,0); Colorduino.SetPixel(7,3,255,0,0); Colorduino.SetPixel(7,4,0,255,0); Colorduino.SetPixel(7,5,255,0,0); Colorduino.SetPixel(7,6,0,255,0); Colorduino.SetPixel(7,7,255,0,0); Colorduino.FlipPage(); break; case 13 : // synthèse cyan Colorduino.SetPixel(0,0,0,0,255); Colorduino.SetPixel(0,1,0,255,0); Colorduino.SetPixel(0,2,0,0,255); Colorduino.SetPixel(0,3,0,255,0); Colorduino.SetPixel(0,4,0,0,255); Colorduino.SetPixel(0,5,0,255,0); Colorduino.SetPixel(0,6,0,0,255); Colorduino.SetPixel(0,7,0,255,0); Colorduino.SetPixel(1,0,0,255,0); Colorduino.SetPixel(1,1,0,0,255); Colorduino.SetPixel(1,2,0,255,0); Colorduino.SetPixel(1,3,0,0,255); Colorduino.SetPixel(1,4,0,255,0); Colorduino.SetPixel(1,5,0,0,255); Colorduino.SetPixel(1,6,0,255,0); Colorduino.SetPixel(1,7,0,0,255); Colorduino.SetPixel(2,0,0,0,255); Colorduino.SetPixel(2,1,0,255,0); Colorduino.SetPixel(2,2,0,0,255); Colorduino.SetPixel(2,3,0,255,0); Colorduino.SetPixel(2,4,0,0,255); Colorduino.SetPixel(2,5,0,255,0); Colorduino.SetPixel(2,6,0,0,255); Colorduino.SetPixel(2,7,0,255,0); Colorduino.SetPixel(3,0,0,255,0); Colorduino.SetPixel(3,1,0,0,255); Colorduino.SetPixel(3,2,0,255,0); Colorduino.SetPixel(3,3,0,0,255); Colorduino.SetPixel(3,4,0,255,0); Colorduino.SetPixel(3,5,0,0,255); Colorduino.SetPixel(3,6,0,255,0); Colorduino.SetPixel(3,7,0,0,255); Colorduino.SetPixel(4,0,0,0,255); Colorduino.SetPixel(4,1,0,255,0); Colorduino.SetPixel(4,2,0,0,255); Colorduino.SetPixel(4,3,0,255,0); Colorduino.SetPixel(4,4,0,0,255); Colorduino.SetPixel(4,5,0,255,0); Colorduino.SetPixel(4,6,0,0,255); Colorduino.SetPixel(4,7,0,255,0); Colorduino.SetPixel(5,0,0,255,0); Colorduino.SetPixel(5,1,0,0,255); Colorduino.SetPixel(5,2,0,255,0); Colorduino.SetPixel(5,3,0,0,255); Colorduino.SetPixel(5,4,0,255,0); Colorduino.SetPixel(5,5,0,0,255); Colorduino.SetPixel(5,6,0,255,0); Colorduino.SetPixel(5,7,0,0,255); Colorduino.SetPixel(6,0,0,0,255); Colorduino.SetPixel(6,1,0,255,0); Colorduino.SetPixel(6,2,0,0,255); Colorduino.SetPixel(6,3,0,255,0); Colorduino.SetPixel(6,4,0,0,255); Colorduino.SetPixel(6,5,0,255,0); Colorduino.SetPixel(6,6,0,0,255); Colorduino.SetPixel(6,7,0,255,0); Colorduino.SetPixel(7,0,0,255,0); Colorduino.SetPixel(7,1,0,0,255); Colorduino.SetPixel(7,2,0,255,0); Colorduino.SetPixel(7,3,0,0,255); Colorduino.SetPixel(7,4,0,255,0); Colorduino.SetPixel(7,5,0,0,255); Colorduino.SetPixel(7,6,0,255,0); Colorduino.SetPixel(7,7,0,0,255); Colorduino.FlipPage(); break; case 14 : // synthèse MAGENTA Colorduino.SetPixel(0,0,0,0,255); Colorduino.SetPixel(0,1,255,0,0); Colorduino.SetPixel(0,2,0,0,255); Colorduino.SetPixel(0,3,255,0,0); Colorduino.SetPixel(0,4,0,0,255); Colorduino.SetPixel(0,5,255,0,0); Colorduino.SetPixel(0,6,0,0,255); Colorduino.SetPixel(0,7,255,0,0); Colorduino.SetPixel(1,0,255,0,0); Colorduino.SetPixel(1,1,0,0,255); Colorduino.SetPixel(1,2,255,0,0); Colorduino.SetPixel(1,3,0,0,255); Colorduino.SetPixel(1,4,255,0,0); Colorduino.SetPixel(1,5,0,0,255); Colorduino.SetPixel(1,6,255,0,0); Colorduino.SetPixel(1,7,0,0,255); Colorduino.SetPixel(2,0,0,0,255); Colorduino.SetPixel(2,1,255,0,0); Colorduino.SetPixel(2,2,0,0,255); Colorduino.SetPixel(2,3,255,0,0); Colorduino.SetPixel(2,4,0,0,255); Colorduino.SetPixel(2,5,255,0,0); Colorduino.SetPixel(2,6,0,0,255); Colorduino.SetPixel(2,7,255,0,0); Colorduino.SetPixel(3,0,255,0,0); Colorduino.SetPixel(3,1,0,0,255); Colorduino.SetPixel(3,2,255,0,0); Colorduino.SetPixel(3,3,0,0,255); Colorduino.SetPixel(3,4,255,0,0); Colorduino.SetPixel(3,5,0,0,255); Colorduino.SetPixel(3,6,255,0,0); Colorduino.SetPixel(3,7,0,0,255); Colorduino.SetPixel(4,0,0,0,255); Colorduino.SetPixel(4,1,255,0,0); Colorduino.SetPixel(4,2,0,0,255); Colorduino.SetPixel(4,3,255,0,0); Colorduino.SetPixel(4,4,0,0,255); Colorduino.SetPixel(4,5,255,0,0); Colorduino.SetPixel(4,6,0,0,255); Colorduino.SetPixel(4,7,255,0,0); Colorduino.SetPixel(5,0,255,0,0); Colorduino.SetPixel(5,1,0,0,255); Colorduino.SetPixel(5,2,255,0,0); Colorduino.SetPixel(5,3,0,0,255); Colorduino.SetPixel(5,4,255,0,0); Colorduino.SetPixel(5,5,0,0,255); Colorduino.SetPixel(5,6,255,0,0); Colorduino.SetPixel(5,7,0,0,255); Colorduino.SetPixel(6,0,0,0,255); Colorduino.SetPixel(6,1,255,0,0); Colorduino.SetPixel(6,2,0,0,255); Colorduino.SetPixel(6,3,255,0,0); Colorduino.SetPixel(6,4,0,0,255); Colorduino.SetPixel(6,5,255,0,0); Colorduino.SetPixel(6,6,0,0,255); Colorduino.SetPixel(6,7,255,0,0); Colorduino.SetPixel(7,0,255,0,0); Colorduino.SetPixel(7,1,0,0,255); Colorduino.SetPixel(7,2,255,0,0); Colorduino.SetPixel(7,3,0,0,255); Colorduino.SetPixel(7,4,255,0,0); Colorduino.SetPixel(7,5,0,0,255); Colorduino.SetPixel(7,6,255,0,0); Colorduino.SetPixel(7,7,0,0,255); Colorduino.FlipPage(); break; case 15 : // synthèse blanc Colorduino.SetPixel(0,0,255,0,0); Colorduino.SetPixel(0,1,0,255,0); Colorduino.SetPixel(0,2,0,0,255); Colorduino.SetPixel(0,3,255,0,0); Colorduino.SetPixel(0,4,0,255,0); Colorduino.SetPixel(0,5,0,0,255); Colorduino.SetPixel(0,6,255,0,0); Colorduino.SetPixel(0,7,0,255,0); Colorduino.SetPixel(1,0,0,255,0); Colorduino.SetPixel(1,1,0,0,255); Colorduino.SetPixel(1,2,255,0,0); Colorduino.SetPixel(1,3,0,255,0); Colorduino.SetPixel(1,4,0,0,255); Colorduino.SetPixel(1,5,255,0,0); Colorduino.SetPixel(1,6,0,255,0); Colorduino.SetPixel(1,7,0,0,255); Colorduino.SetPixel(2,0,0,0,255); Colorduino.SetPixel(2,1,255,0,0); Colorduino.SetPixel(2,2,0,255,0); Colorduino.SetPixel(2,3,0,0,255); Colorduino.SetPixel(2,4,255,0,0); Colorduino.SetPixel(2,5,0,255,0); Colorduino.SetPixel(2,6,0,0,255); Colorduino.SetPixel(2,7,255,0,0); Colorduino.SetPixel(3,0,255,0,0); Colorduino.SetPixel(3,1,0,255,0); Colorduino.SetPixel(3,2,0,0,255); Colorduino.SetPixel(3,3,255,0,0); Colorduino.SetPixel(3,4,0,255,0); Colorduino.SetPixel(3,5,0,0,255); Colorduino.SetPixel(3,6,255,0,0); Colorduino.SetPixel(3,7,0,255,0); Colorduino.SetPixel(4,0,0,255,0); Colorduino.SetPixel(4,1,0,0,255); Colorduino.SetPixel(4,2,255,0,0); Colorduino.SetPixel(4,3,0,255,0); Colorduino.SetPixel(4,4,0,0,255); Colorduino.SetPixel(4,5,255,0,0); Colorduino.SetPixel(4,6,0,255,0); Colorduino.SetPixel(4,7,0,0,255); Colorduino.SetPixel(5,0,0,0,255); Colorduino.SetPixel(5,1,255,0,0); Colorduino.SetPixel(5,2,0,255,0); Colorduino.SetPixel(5,3,0,0,255); Colorduino.SetPixel(5,4,255,0,0); Colorduino.SetPixel(5,5,0,255,0); Colorduino.SetPixel(5,6,0,0,255); Colorduino.SetPixel(5,7,255,0,0); Colorduino.SetPixel(6,0,255,0,0); Colorduino.SetPixel(6,1,0,255,0); Colorduino.SetPixel(6,2,0,0,255); Colorduino.SetPixel(6,3,255,0,0); Colorduino.SetPixel(6,4,0,255,0); Colorduino.SetPixel(6,5,0,0,255); Colorduino.SetPixel(6,6,255,0,0); Colorduino.SetPixel(6,7,0,255,0); Colorduino.SetPixel(7,0,0,255,0); Colorduino.SetPixel(7,1,0,0,255); Colorduino.SetPixel(7,2,255,0,0); Colorduino.SetPixel(7,3,0,255,0); Colorduino.SetPixel(7,4,0,0,255); Colorduino.SetPixel(7,5,255,0,0); Colorduino.SetPixel(7,6,0,255,0); Colorduino.SetPixel(7,7,0,0,255); Colorduino.FlipPage(); choix=0; break; } }} ]]> 2017-08-27 09:32:04 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182967950 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182968160 2017-08-27 09:39:02 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182968160 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973133 On passe d'une figure à l'autre par une pression sur le bouton poussoir]]> 2017-08-27 12:44:39 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973133 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973299 2017-08-27 12:49:11 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973299 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973300 2017-08-27 12:49:11 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973300 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973301 2017-08-27 12:49:12 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973301 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973302 2017-08-27 12:49:12 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973302 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973305 2017-08-27 12:49:13 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973305 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973314 2017-08-27 12:49:20 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973314 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973351 2017-08-27 12:50:35 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973351 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973427 La lampe est orienté vers un écran blanc]]> 2017-08-27 12:52:46 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973427 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973506 2017-08-27 12:55:23 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973506 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973581 L'écran diffuse l'ensemble des lumières émises par la source, dans l’œil arrivent donc toutes les radiations composant ces lumières]]> 2017-08-27 12:58:11 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182973581 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182974272 2017-08-27 13:20:07 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182974272 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182974302 2017-08-27 13:20:36 UTC https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182974302 culturesciences https://padlet.com/culturesciences/DIDAOPTIC_V2/wish/182974354 2017-08-27 13:21:59 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