diff --git a/docs/assignments/week12.md b/docs/assignments/week12.md index b1249aff41b47e1fbccdfb8b50dfda3ff42ebe03..dff9602db4ecae4afc536b1d2ab8a874a61001b2 100644 --- a/docs/assignments/week12.md +++ b/docs/assignments/week12.md @@ -110,151 +110,7 @@ But an hour later it decides to do some work and this is the neopixel show all t <div style="padding:66.67% 0 0 0;position:relative;"><iframe src="https://player.vimeo.com/video/893621497?badge=0&autopause=0&player_id=0&app_id=58479" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" style="position:absolute;top:0;left:0;width:100%;height:100%;" title="TESTING"></iframe></div><script src="https://player.vimeo.com/api/player.js"></script> -**CODE** - // A basic everyday NeoPixel strip test program. - - // NEOPIXEL BEST PRACTICES for most reliable operation: - // - Add 1000 uF CAPACITOR between NeoPixel strip's + and - connections. - // - MINIMIZE WIRING LENGTH between microcontroller board and first pixel. - // - NeoPixel strip's DATA-IN should pass through a 300-500 OHM RESISTOR. - // - AVOID connecting NeoPixels on a LIVE CIRCUIT. If you must, ALWAYS - // connect GROUND (-) first, then +, then data. - // - When using a 3.3V microcontroller with a 5V-powered NeoPixel strip, - // a LOGIC-LEVEL CONVERTER on the data line is STRONGLY RECOMMENDED. - // (Skipping these may work OK on your workbench but can fail in the field) - - #include <Adafruit_NeoPixel.h> - #ifdef __AVR__ - #include <avr/power.h> // Required for 16 MHz Adafruit Trinket - #endif - - // Which pin on the Arduino is connected to the NeoPixels? - // On a Trinket or Gemma we suggest changing this to 1: - #define LED_PIN 6 - - // How many NeoPixels are attached to the Arduino? - #define LED_COUNT 60 - - // Declare our NeoPixel strip object: - Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800); - // Argument 1 = Number of pixels in NeoPixel strip - // Argument 2 = Arduino pin number (most are valid) - // Argument 3 = Pixel type flags, add together as needed: - // NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs) - // NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers) - // NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products) - // NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2) - // NEO_RGBW Pixels are wired for RGBW bitstream (NeoPixel RGBW products) - - - // setup() function -- runs once at startup -------------------------------- - - void setup() { - // These lines are specifically to support the Adafruit Trinket 5V 16 MHz. - // Any other board, you can remove this part (but no harm leaving it): - #if defined(__AVR_ATtiny85__) && (F_CPU == 16000000) - clock_prescale_set(clock_div_1); - #endif - // END of Trinket-specific code. - - strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED) - strip.show(); // Turn OFF all pixels ASAP - strip.setBrightness(50); // Set BRIGHTNESS to about 1/5 (max = 255) - } - - - // loop() function -- runs repeatedly as long as board is on --------------- - - void loop() { - // Fill along the length of the strip in various colors... - colorWipe(strip.Color(255, 0, 0), 50); // Red - colorWipe(strip.Color( 0, 255, 0), 50); // Green - colorWipe(strip.Color( 0, 0, 255), 50); // Blue - - // Do a theater marquee effect in various colors... - theaterChase(strip.Color(127, 127, 127), 50); // White, half brightness - theaterChase(strip.Color(127, 0, 0), 50); // Red, half brightness - theaterChase(strip.Color( 0, 0, 127), 50); // Blue, half brightness - - rainbow(10); // Flowing rainbow cycle along the whole strip - theaterChaseRainbow(50); // Rainbow-enhanced theaterChase variant - } - - - // Some functions of our own for creating animated effects ----------------- - - // Fill strip pixels one after another with a color. Strip is NOT cleared - // first; anything there will be covered pixel by pixel. Pass in color - // (as a single 'packed' 32-bit value, which you can get by calling - // strip.Color(red, green, blue) as shown in the loop() function above), - // and a delay time (in milliseconds) between pixels. - void colorWipe(uint32_t color, int wait) { - for(int i=0; i<strip.numPixels(); i++) { // For each pixel in strip... - strip.setPixelColor(i, color); // Set pixel's color (in RAM) - strip.show(); // Update strip to match - delay(wait); // Pause for a moment - } - } - - // Theater-marquee-style chasing lights. Pass in a color (32-bit value, - // a la strip.Color(r,g,b) as mentioned above), and a delay time (in ms) - // between frames. - void theaterChase(uint32_t color, int wait) { - for(int a=0; a<10; a++) { // Repeat 10 times... - for(int b=0; b<3; b++) { // 'b' counts from 0 to 2... - strip.clear(); // Set all pixels in RAM to 0 (off) - // 'c' counts up from 'b' to end of strip in steps of 3... - for(int c=b; c<strip.numPixels(); c += 3) { - strip.setPixelColor(c, color); // Set pixel 'c' to value 'color' - } - strip.show(); // Update strip with new contents - delay(wait); // Pause for a moment - } - } - } - - // Rainbow cycle along whole strip. Pass delay time (in ms) between frames. - void rainbow(int wait) { - // Hue of first pixel runs 5 complete loops through the color wheel. - // Color wheel has a range of 65536 but it's OK if we roll over, so - // just count from 0 to 5*65536. Adding 256 to firstPixelHue each time - // means we'll make 5*65536/256 = 1280 passes through this loop: - for(long firstPixelHue = 0; firstPixelHue < 5*65536; firstPixelHue += 256) { - // strip.rainbow() can take a single argument (first pixel hue) or - // optionally a few extras: number of rainbow repetitions (default 1), - // saturation and value (brightness) (both 0-255, similar to the - // ColorHSV() function, default 255), and a true/false flag for whether - // to apply gamma correction to provide 'truer' colors (default true). - strip.rainbow(firstPixelHue); - // Above line is equivalent to: - // strip.rainbow(firstPixelHue, 1, 255, 255, true); - strip.show(); // Update strip with new contents - delay(wait); // Pause for a moment - } - } - - // Rainbow-enhanced theater marquee. Pass delay time (in ms) between frames. - void theaterChaseRainbow(int wait) { - int firstPixelHue = 0; // First pixel starts at red (hue 0) - for(int a=0; a<30; a++) { // Repeat 30 times... - for(int b=0; b<3; b++) { // 'b' counts from 0 to 2... - strip.clear(); // Set all pixels in RAM to 0 (off) - // 'c' counts up from 'b' to end of strip in increments of 3... - for(int c=b; c<strip.numPixels(); c += 3) { - // hue of pixel 'c' is offset by an amount to make one full - // revolution of the color wheel (range 65536) along the length - // of the strip (strip.numPixels() steps): - int hue = firstPixelHue + c * 65536L / strip.numPixels(); - uint32_t color = strip.gamma32(strip.ColorHSV(hue)); // hue -> RGB - strip.setPixelColor(c, color); // Set pixel 'c' to value 'color' - } - strip.show(); // Update strip with new contents - delay(wait); // Pause for a moment - firstPixelHue += 65536 / 90; // One cycle of color wheel over 90 frames - } - } - } - +### **CODE** I want my crystals to flash white for 2 seconds and then stops for 2 seconds. @@ -266,30 +122,30 @@ And here's the code: #include <Adafruit_NeoPixel.h> - int dataPin = 1; - #define numberOfPixels 6 - #define maximumBrightness 255 + int dataPin = 1; + #define numberOfPixels 6 + #define maximumBrightness 255 - Adafruit_NeoPixel ledStrip = Adafruit_NeoPixel(numberOfPixels, dataPin); + Adafruit_NeoPixel ledStrip = Adafruit_NeoPixel(numberOfPixels, dataPin); - void setup() { - ledStrip.begin(); - } + void setup() { + ledStrip.begin(); + } - void loop() { - setLightsToColour(255, 255, 255); - ledStrip.show(); - delay(2000); - setLightsToColour(0, 0, 0); - ledStrip.show(); - delay(1000); - } + void loop() { + setLightsToColour(255, 255, 255); + ledStrip.show(); + delay(2000); + setLightsToColour(0, 0, 0); + ledStrip.show(); + delay(1000); + } - oid setLightsToColour(int red, int green, int blue) { - for (uint8_t i = 0; i < numberOfPixels; i++) { + oid setLightsToColour(int red, int green, int blue) { + for (uint8_t i = 0; i < numberOfPixels; i++) { ledStrip.setPixelColor(i, ledStrip.Color(red, green, blue)); - } - } + } + } ## **FINAL RESUILT**