initial commit

.gitignore

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+.pio/

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:d1_mini]
+framework = arduino
+platform = espressif8266
+board = d1_mini
+lib_deps = fastled/FastLED@^3.5.0

src/main.ino

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+#include "FastLED.h"
+#define NUM_LEDS 18  // # of LEDS in the strip
+CRGB leds[NUM_LEDS];
+#define DATA_PIN 2 // Output Pin to Data Line on Strip
+
+// Change effect here
+#define DELAY 200
+
+///////
+
+int fadeAmount = 1;  // Set the amount to fade I usually do 5, 10, 15, 20, 25 etc even up to 255.
+int brightness = 0;
+int fade_switch = 0;
+
+void setup() {
+   FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
+}
+
+int colors[3][3] = { { 255, 0, 0 }, { 0, 255, 0 }, { 0, 0, 255 } };
+int counter = 0;
+int color_index = 0;
+
+void loop() {
+ for(int i = 0; i < NUM_LEDS; i++ )
+  {
+    leds[i].setRGB(colors[color_index][0],colors[color_index][1],colors[color_index][2]);
+    leds[i].fadeLightBy(brightness);
+  }
+  FastLED.show();
+  brightness = brightness + fadeAmount;
+  // reverse the direction of the fading at the ends of the fade:
+  if(brightness == 0 || brightness == 255)
+  {
+    fadeAmount = -fadeAmount;
+  } 
+  if(brightness == 255)
+  {
+    fade_switch = fade_switch+1;
+  }
+  if(fade_switch == 1) {
+    fade_switch = 0;
+    counter = counter + 1;
+    color_index = counter % 3;
+  }
+  if (counter >= 2048) {
+    counter = 0;
+  }
+ delay(DELAY);
+}
+