光であなたの町を彩ろう！LEDとJavaScriptで作る「お手軽フルカラーイルミネーション」

お手軽フルカラー数珠LED「WS2812B」、もちろん IchigoLatte typeR からも制御可能。

// WS2812B driver for IchigoLatte R JS
{
 var a=mem(" ");
 mem(a,0x5D,0x71,0x86,0xC6,0xA2,0xC4,0xA6,0xC2,0xCA,0xC0,0x4E,0xDE,0x52,0xDC,0x56,0xDA);a=a+16;
 mem(a,0x5A,0xD8,0x5E,0xD6,0x62,0xD4,0x66,0xD2,0x6A,0xD0,0x6E,0xCE,0xF3,0x77,0x04,0x30);a=a+16;
 mem(a,0x80,0x41,0xB7,0x09,0x00,0x08,0x01,0x49,0x5C,0x44,0x93,0x89,0xC9,0x15,0x71,0x04);a=a+16;
 mem(a,0x3E,0xC6,0x7D,0x5C,0xB2,0x47,0x63,0x14,0xF9,0x02,0xF3,0x67,0x04,0x30,0xB6,0x40);a=a+16;
 mem(a,0x26,0x44,0x96,0x44,0xF2,0x59,0x62,0x5A,0xD2,0x5A,0x42,0x5B,0xB2,0x5B,0x22,0x5C);a=a+16;
 mem(a,0x92,0x5C,0x02,0x5D,0xF2,0x4D,0x4A,0x85,0x06,0x49,0x61,0x61,0x82,0x80,0x83,0xAD);a=a+16;
 mem(a,0xC9,0x04,0x41,0x4A,0x61,0x5D,0x04,0x40,0xA1,0x4B,0x93,0x0C,0x00,0x08,0xB3,0xD4);a=a+16;
 mem(a,0x44,0x41,0x93,0xF4,0xF4,0x0F,0x33,0xF7,0x94,0x01,0x15,0xEB,0x91,0x4A,0x05,0x4B);a=a+16;
 mem(a,0x05,0x45,0x82,0x9D,0x7D,0x1B,0x63,0x17,0x8B,0x03,0x03,0xA7,0xC9,0x04,0x01,0x45);a=a+16;
 mem(a,0x02,0x97,0xFD,0x1A,0x63,0x92,0x8A,0x03,0xFD,0x1B,0x93,0xDC,0x1C,0x00,0xE3,0x9C);a=a+16;
 mem(a,0x0B,0xFC,0x61,0x1A,0xE3,0x11,0xAA,0xFD,0x05,0x09,0x21,0x04,0x61,0xB7,0x85,0x4A);a=a+16;
 mem(a,0x11,0x4B,0xF9,0xB7,0x01,0x00,0xF9,0xB7,0x01,0x00,0xE1,0xBF);
}
function ws2812b(p){env(p);return mem();}

このドライバー(for JS)を、

こんな感じに転送して、

結線は 5v-5v, GND-GND, LED-DI (Latte-WS2812B)。

var plan=new Array(4);

plan[0] = 0xFF0000;  // Green
plan[1] = 0x00FF00;  // Red
plan[2] = 0x0000FF;  // Blue
plan[3] = 0xFFFFFF;  // White

ws2812b(plan);

あとはこんなJSプログラムをかけば、