Zhao hui
Created September 25, 2017 © GPL3+

Motion Lamp

Do you know LED strip?I am trying to use led strip to create a project.

IntermediateWork in progress5 hours20
Motion Lamp

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
Breadboard Mini
×1
MPU6050
×1
Jumper wires (generic)
Jumper wires (generic)
×1
NeoPixel LedStrip
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

Motion Lamp Schematics

Code

Motion lamp's Code

C#
#include "I2Cdev.h"
#include "MPU6050.h"
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

#define PIN 6

#define NUM_LEDS 60

#define BRIGHTNESS 50
// Arduino Wire library is required if I2Cdev I2CDEV_ARDUINO_WIRE implementation
// is used in I2Cdev.h
#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
    #include "Wire.h"
#endif

// class default I2C address is 0x68
// specific I2C addresses may be passed as a parameter here
// AD0 low = 0x68 (default for InvenSense evaluation board)
// AD0 high = 0x69
MPU6050 accelgyro;
//MPU6050 accelgyro(0x69); // <-- use for AD0 high

int16_t ax, ay, az;
int16_t gx, gy, gz;



// uncomment "OUTPUT_READABLE_ACCELGYRO" if you want to see a tab-separated
// list of the accel X/Y/Z and then gyro X/Y/Z values in decimal. Easy to read,
// not so easy to parse, and slow(er) over UART.
#define OUTPUT_READABLE_ACCELGYRO

// uncomment "OUTPUT_BINARY_ACCELGYRO" to send all 6 axes of data as 16-bit
// binary, one right after the other. This is very fast (as fast as possible
// without compression or data loss), and easy to parse, but impossible to read
// for a human.
//#define OUTPUT_BINARY_ACCELGYRO


#define LED_PIN 13
#define PIN 6

#define NUM_LEDS 60

#define BRIGHTNESS 50
bool blinkState = false;
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN, NEO_GRBW + NEO_KHZ800);

byte neopix_gamma[] = {
    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,  1,  1,  1,  1,
    1,  1,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,  2,  2,  2,  2,
    2,  3,  3,  3,  3,  3,  3,  3,  4,  4,  4,  4,  4,  5,  5,  5,
    5,  6,  6,  6,  6,  7,  7,  7,  7,  8,  8,  8,  9,  9,  9, 10,
   10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
   17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
   25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
   37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
   51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
   69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
   90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
  115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
  144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
  177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
  215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };


void setup() {
    // join I2C bus (I2Cdev library doesn't do this automatically)
    #if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
        Wire.begin();
    #elif I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE
        Fastwire::setup(400, true);
    #endif

    // initialize serial communication
    // (38400 chosen because it works as well at 8MHz as it does at 16MHz, but
    // it's really up to you depending on your project)
    Serial.begin(38400);

    // initialize device
    Serial.println("Initializing I2C devices...");
    accelgyro.initialize();

    // verify connection
    Serial.println("Testing device connections...");
    Serial.println(accelgyro.testConnection() ? "MPU6050 connection successful" : "MPU6050 connection failed");

    // use the code below to change accel/gyro offset values
    /*
    Serial.println("Updating internal sensor offsets...");
    // -76	-2359	1688	0	0	0
    Serial.print(accelgyro.getXAccelOffset()); Serial.print("\t"); // -76
    Serial.print(accelgyro.getYAccelOffset()); Serial.print("\t"); // -2359
    Serial.print(accelgyro.getZAccelOffset()); Serial.print("\t"); // 1688
    Serial.print(accelgyro.getXGyroOffset()); Serial.print("\t"); // 0
    Serial.print(accelgyro.getYGyroOffset()); Serial.print("\t"); // 0
    Serial.print(accelgyro.getZGyroOffset()); Serial.print("\t"); // 0
    Serial.print("\n");
    accelgyro.setXGyroOffset(220);
    accelgyro.setYGyroOffset(76);
    accelgyro.setZGyroOffset(-85);
    Serial.print(accelgyro.getXAccelOffset()); Serial.print("\t"); // -76
    Serial.print(accelgyro.getYAccelOffset()); Serial.print("\t"); // -2359
    Serial.print(accelgyro.getZAccelOffset()); Serial.print("\t"); // 1688
    Serial.print(accelgyro.getXGyroOffset()); Serial.print("\t"); // 0
    Serial.print(accelgyro.getYGyroOffset()); Serial.print("\t"); // 0
    Serial.print(accelgyro.getZGyroOffset()); Serial.print("\t"); // 0
    Serial.print("\n");
    */

    // configure Arduino LED for
    pinMode(LED_PIN, OUTPUT);
    // This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
  #if defined (__AVR_ATtiny85__)
    if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
  #endif
  // End of trinket special code
  strip.setBrightness(BRIGHTNESS);
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void loop() {
    // read raw accel/gyro measurements from device
    accelgyro.getMotion6(&ax, &ay, &az, &gx, &gy, &gz);

    // these methods (and a few others) are also available
    //accelgyro.getAcceleration(&ax, &ay, &az);
    //accelgyro.getRotation(&gx, &gy, &gz);

    #ifdef OUTPUT_READABLE_ACCELGYRO
        // display tab-separated accel/gyro x/y/z values
        Serial.print("a/g:\t");
        Serial.print(ax); Serial.print("\t");
        Serial.print(ay); Serial.print("\t");
        Serial.print(az); Serial.print("\t");
        Serial.print(gx); Serial.print("\t");
        Serial.print(gy); Serial.print("\t");
        Serial.println(gz);
    #endif

    #ifdef OUTPUT_BINARY_ACCELGYRO
        Serial.write((uint8_t)(ax >> 8)); Serial.write((uint8_t)(ax & 0xFF));
        Serial.write((uint8_t)(ay >> 8)); Serial.write((uint8_t)(ay & 0xFF));
        Serial.write((uint8_t)(az >> 8)); Serial.write((uint8_t)(az & 0xFF));
        Serial.write((uint8_t)(gx >> 8)); Serial.write((uint8_t)(gx & 0xFF));
        Serial.write((uint8_t)(gy >> 8)); Serial.write((uint8_t)(gy & 0xFF));
        Serial.write((uint8_t)(gz >> 8)); Serial.write((uint8_t)(gz & 0xFF));
    #endif

    // blink LED to indicate activity
    blinkState = !blinkState;
    digitalWrite(LED_PIN, blinkState);
    // Some example procedures showing how to display to the pixels:
  colorWipe(strip.Color(255, 0, 0), 50); // Red
  colorWipe(strip.Color(0, 255, 0), 50); // Green
  colorWipe(strip.Color(0, 0, 255), 50); // Blue
  colorWipe(strip.Color(0, 0, 0, 255), 50); // White

  whiteOverRainbow(20,75,5);  

  pulseWhite(5); 

  // fullWhite();
  // delay(2000);

  rainbowFade2White(3,3,1);
}
// Fill the dots one after the other with a color
void colorWipe(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
    strip.show();
    delay(wait);
  }
}

void pulseWhite(uint8_t wait) {
  for(int j = 0; j < 256 ; j++){
      for(uint16_t i=0; i<strip.numPixels(); i++) {
          strip.setPixelColor(i, strip.Color(0,0,0, neopix_gamma[j] ) );
        }
        delay(wait);
        strip.show();
      }

  for(int j = 255; j >= 0 ; j--){
      for(uint16_t i=0; i<strip.numPixels(); i++) {
          strip.setPixelColor(i, strip.Color(0,0,0, neopix_gamma[j] ) );
        }
        delay(wait);
        strip.show();
      }
}


void rainbowFade2White(uint8_t wait, int rainbowLoops, int whiteLoops) {
  float fadeMax = 100.0;
  int fadeVal = 0;
  uint32_t wheelVal;
  int redVal, greenVal, blueVal;

  for(int k = 0 ; k < rainbowLoops ; k ++){
    
    for(int j=0; j<256; j++) { // 5 cycles of all colors on wheel

      for(int i=0; i< strip.numPixels(); i++) {

        wheelVal = Wheel(((i * 256 / strip.numPixels()) + j) & 255);

        redVal = red(wheelVal) * float(fadeVal/fadeMax);
        greenVal = green(wheelVal) * float(fadeVal/fadeMax);
        blueVal = blue(wheelVal) * float(fadeVal/fadeMax);

        strip.setPixelColor( i, strip.Color( redVal, greenVal, blueVal ) );

      }

      //First loop, fade in!
      if(k == 0 && fadeVal < fadeMax-1) {
          fadeVal++;
      }

      //Last loop, fade out!
      else if(k == rainbowLoops - 1 && j > 255 - fadeMax ){
          fadeVal--;
      }

        strip.show();
        delay(wait);
    }
  
  }



  delay(500);


  for(int k = 0 ; k < whiteLoops ; k ++){

    for(int j = 0; j < 256 ; j++){

        for(uint16_t i=0; i < strip.numPixels(); i++) {
            strip.setPixelColor(i, strip.Color(0,0,0, neopix_gamma[j] ) );
          }
          strip.show();
        }

        delay(2000);
    for(int j = 255; j >= 0 ; j--){

        for(uint16_t i=0; i < strip.numPixels(); i++) {
            strip.setPixelColor(i, strip.Color(0,0,0, neopix_gamma[j] ) );
          }
          strip.show();
        }
  }

  delay(500);


}

void whiteOverRainbow(uint8_t wait, uint8_t whiteSpeed, uint8_t whiteLength ) {
  
  if(whiteLength >= strip.numPixels()) whiteLength = strip.numPixels() - 1;

  int head = whiteLength - 1;
  int tail = 0;

  int loops = 3;
  int loopNum = 0;

  static unsigned long lastTime = 0;


  while(true){
    for(int j=0; j<256; j++) {
      for(uint16_t i=0; i<strip.numPixels(); i++) {
        if((i >= tail && i <= head) || (tail > head && i >= tail) || (tail > head && i <= head) ){
          strip.setPixelColor(i, strip.Color(0,0,0, 255 ) );
        }
        else{
          strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
        }
        
      }

      if(millis() - lastTime > whiteSpeed) {
        head++;
        tail++;
        if(head == strip.numPixels()){
          loopNum++;
        }
        lastTime = millis();
      }

      if(loopNum == loops) return;
    
      head%=strip.numPixels();
      tail%=strip.numPixels();
        strip.show();
        delay(wait);
    }
  }
  
}
void fullWhite() {
  
    for(uint16_t i=0; i<strip.numPixels(); i++) {
        strip.setPixelColor(i, strip.Color(0,0,0, 255 ) );
    }
      strip.show();
}


// Slightly different, this makes the rainbow equally distributed throughout
void rainbowCycle(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256 * 5; j++) { // 5 cycles of all colors on wheel
    for(i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

void rainbow(uint8_t wait) {
  uint16_t i, j;

  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3,0);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3,0);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0,0);
}

uint8_t red(uint32_t c) {
  return (c >> 16);
}
uint8_t green(uint32_t c) {
  return (c >> 8);
}
uint8_t blue(uint32_t c) {
  return (c);
}

Credits

Zhao hui

Zhao hui

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I will resign myself to your guidance.

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