Meilily Li
Published

Hacking the Stairs at Seeed's New Office

Turn the stairs at the office into an interactive installation, and even a cool way to convey the message "STAFF ONLY" to visitors.

IntermediateWork in progress6 hours3,202

Things used in this project

Hardware components

Seeed Digital RGB LED Strips of 2 meters
×5
Seeeduino V4.2
×1
Seeed Grove Ultrasonic Sensor
×2
Base Shield V2
Seeed Base Shield V2
×1
LED Logo projector
×1
Seeed Breadboard Jumper Wire Pack
×1
twin-core cable of 8 meters
×1
5V power supply
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Hot glue gun (generic)
Hot glue gun (generic)
Soldering iron (generic)
Soldering iron (generic)

Story

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Code

HackTheStairs.ino

Arduino
// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

// Which pin on the Arduino is connected to the NeoPixels?
// On a Trinket or Gemma we suggest changing this to 1
#define PIN            5

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS   160

#include "Ultrasonic.h"

Ultrasonic ultrasonic(7);

// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
// example for more information on possible values.
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delayval = 500; // delay for half a second

void setup() {
  
  Serial.begin(9600);
  // 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

  pixels.begin(); // This initializes the NeoPixel library.
}

void loop() {

    long RangeInCentimeters;

 

    RangeInCentimeters = ultrasonic.MeasureInCentimeters(); // two measurements should keep an interval
    Serial.print(RangeInCentimeters);//0~400cm
    Serial.println(" cm");
    delay(1);

  if(RangeInCentimeters<150)
  {
  // For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one.

  for(int i=0;i<NUMPIXELS;i++){

    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(0,60,0)); // Moderately bright green color.

    pixels.show(); // This sends the updated pixel color to the hardware.

    delay(1); // Delay for a period of time (in milliseconds).

  }
  }

 if(RangeInCentimeters>150)
  {
     for(int i=0;i<NUMPIXELS;i++){

    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(0,0,0)); // Moderately bright green color.

    pixels.show(); // This sends the updated pixel color to the hardware.

    delay(1); // Delay for a period of time (in milliseconds).

  }
    }
}

Credits

Meilily Li

Meilily Li

1 project • 3 followers
Love all things related to creativeness.
Thanks to Bill, Seeed Technical Support Team, Jiamou Yang, Seeed Technical Support Team, Danny, Workshop Manager at Seeed x.factory, and Violet Su, Community Manager at Seeed x.factory.

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