Create random.ino

School/vg2/borg/demos/random.ino

@@ -0,0 +1,30 @@
+#include <FastLED.h>
+#include <borg.h>
+
+#define NUM_LEDS 45
+#define DATA_PIN 7
+
+CRGB leds[NUM_LEDS];
+
+void setup() {
+  FastLED.addLeds<PL9823, DATA_PIN>(leds, NUM_LEDS);
+  
+  randomSeed(analogRead(0));
+}
+
+void loop() {
+  FastLED.clear();
+  FastLED.show();
+  
+  for (int i = 0; i < NUM_LEDS; i++) {
+    int select;
+    do {
+      select = random(0, NUM_LEDS);
+    }
+    while (leds[select] != (CRGB) 0x0);
+    leds[select] = (CRGB) random(1, 0x1000000);
+    FastLED.show();
+    delay(250);
+  }
+  delay(1000);
+}