#include <Adafruit_NeoPixel.h> // used Adafruit library (see documentation above)
#define LED_PIN 6 // to which pin on Arduino UNO is connected the data pin from the NeoPixel strip
#define LED_COUNT 22 // number of LEDs = 7 segments * 3 LEDs per segment + 1 extra LED outside that is not used (required for easy bending of the strip)
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800); // initializing of the NeoPixel strip
void setup() {
strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
strip.show(); // Turn OFF all pixels ASAP
}
void loop() {
unsigned int hue = millis()%65535;//random(65535); // set random hue for the color
// the code below will toggle between digits 0-9 in random colors
// the individual segments on the 7-segment display are as follows:
//
// ┌───────────┐
// │ A │
// ├┬─────────┬┤
// ┌──┴┤ ├┴──┐
// │ │ │ │
// │ F │ │ B │
// │ │ │ │
// └──┬┤ ├┬──┘
// ├┴─────────┴┤
// │ G │
// ├┬─────────┬┤
// ┌──┴┤ ├┴──┐
// │ │ │ │
// │ E │ │ C │
// │ │ │ │
// └──┬┤ ├┬──┘
// ├┴─────────┴┤
// │ D │
// └───────────┘
//
// digit 0
hue = millis()%65535; // set random hue for the color
strip.clear(); // Set all pixels in RAM to 0 (off)
/*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
/*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
/*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
/*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
/*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
/*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
///*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
strip.show(); // Update strip to match
delay(500); // delay
// // digit 1
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// ///*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// ///*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// ///*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// ///*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// ///*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 2
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// ///*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// /*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// /*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// ///*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 3
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// /*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// ///*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// ///*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 4
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// ///*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// ///*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// ///*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// /*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 5
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// ///*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// /*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// ///*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// /*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 6
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// ///*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// /*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// /*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// /*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 7
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// ///*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// ///*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// ///*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// ///*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 8
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// /*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// /*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// /*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
// // digit 9
// hue = millis()%65535; // set random hue for the color
// strip.clear(); // Set all pixels in RAM to 0 (off)
// /*a*/ strip.setPixelColor( 7, strip.ColorHSV(hue)); strip.setPixelColor( 8, strip.ColorHSV(hue)); strip.setPixelColor( 9, strip.ColorHSV(hue)); //a
// /*b*/ strip.setPixelColor( 4, strip.ColorHSV(hue)); strip.setPixelColor( 5, strip.ColorHSV(hue)); strip.setPixelColor( 6, strip.ColorHSV(hue)); //b
// /*c*/ strip.setPixelColor(19, strip.ColorHSV(hue)); strip.setPixelColor(20, strip.ColorHSV(hue)); strip.setPixelColor(21, strip.ColorHSV(hue)); //c
// /*d*/ strip.setPixelColor(16, strip.ColorHSV(hue)); strip.setPixelColor(17, strip.ColorHSV(hue)); strip.setPixelColor(18, strip.ColorHSV(hue)); //d
// ///*e*/ strip.setPixelColor(13, strip.ColorHSV(hue)); strip.setPixelColor(14, strip.ColorHSV(hue)); strip.setPixelColor(15, strip.ColorHSV(hue)); //e
// /*f*/ strip.setPixelColor(10, strip.ColorHSV(hue)); strip.setPixelColor(11, strip.ColorHSV(hue)); strip.setPixelColor(12, strip.ColorHSV(hue)); //f
// /*g*/ strip.setPixelColor( 1, strip.ColorHSV(hue)); strip.setPixelColor( 2, strip.ColorHSV(hue)); strip.setPixelColor( 3, strip.ColorHSV(hue)); //g
// strip.show(); // Update strip to match
// delay(500); // delay
}