diff --git a/Design/32U4PinMapping.png b/Design/32U4PinMapping.png
new file mode 100644
index 0000000..3032418
Binary files /dev/null and b/Design/32U4PinMapping.png differ
diff --git a/firmware/LED-dummy/code.ino b/firmware/LED-dummy/code.ino
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--- /dev/null
+++ b/firmware/LED-dummy/code.ino
@@ -0,0 +1,34 @@
+#include <FastLED.h>
+
+#define NUM_LED 4
+#define LED_PIN 7
+CRGB led[NUM_LED];
+void setup(){
+	FastLED.addLeds<NEOPIXEL, LED_PIN>()LED, NUM_LED;
+	for (int i = 0; i < NUM_LED; i++) {
+		led[i] = CRGB(0, 0, 255);
+	}
+	FastLED.show();
+} 
+void setAll(int red, int grn, int blu){
+	for (int i = 0; i < NUM_LED; i++){
+		led[i] = CRGB(red, grn, blu);
+	}
+	FastLED.show();
+}
+
+void setQ(int red, int grn, int blu){led[0] = CRGB(red, grn, blu);}
+void setW(int red, int grn, int blu){led[1] = CRGB(red, grn, blu);}
+void setA(int red, int grn, int blu){led[2] = CRGB(red, grn, blu);}
+void setS(int red, int grn, int blu){led[3] = CRGB(red, grn, blu);}
+void show(){FastLED.show();}
+void loop(){
+	setQ(255, 0, 0);
+	setW(0, 255, 0);
+	setA(0, 0, 255);
+	setS(255, 0, 255);
+	show();
+	delay(30000);
+	setAll(0, 255, 255);
+	delay(3000);
+}
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