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--- kerstboompje_workshop [2019/12/06 20:16] – created wrusman
+++ kerstboompje_workshop [2025/10/18 22:23] (current) – jakoba
@@ Line 1: / Line 1: @@
+===== Kerstboompje workshop =====
+{{tag>Klooien_met}}
+Hier is later ook een instructable voor geschreven : https://www.instructables.com/Stylish-Small-Christmas-Tree-From-Aluminum-Strip-a/
 {{::d1-mini-esp8266-pinout.jpg?400|}}
+<code>
+#include <Adafruit_NeoPixel.h>
+#define PIN 5
+#define NUM_LEDS 144
+#define NUM_SPARKLE 26
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN, NEO_GRB + NEO_KHZ800);
+int leds[NUM_SPARKLE] = {0,4,10,16,22,27,33,37,44,50,58,63,70,74,79,85,90,97,102,107,114,120,126,132,138,143} ;
+void setup(){
+  strip.begin();
+  setAll(0,0x05,0);
+   for (int l=0; l<= NUM_SPARKLE; l++)
+  {
+   strip.setPixelColor(leds[l],0x10,0x00,0x00);
+  }
+  strip.show();
+  }
+void loop() {
+ sparkle(leds[random(NUM_SPARKLE)]);
+}
+void sparkle (int sparkleLed) {
+   for (int s=10; s<= 125; s++)
+  {
+   strip.setPixelColor(sparkleLed,s*2,0,0);
+   strip.show();
+  }
+   for (int s=125; s>= 10; s--)
+  {
+   strip.setPixelColor(sparkleLed,s*2,0,0);
+   strip.show();
+  }
+}
+void setAll(byte red, byte green, byte blue) {
+  for(int i = 0; i < NUM_LEDS; i++ ) {
+   strip.setPixelColor(i,red,green,blue);
+  }
+  strip.show();
+}
+</code>