diff --git a/src/Arduboy2.cpp b/src/Arduboy2.cpp
index 84aee16..c59c5c1 100644
--- a/src/Arduboy2.cpp
+++ b/src/Arduboy2.cpp
@@ -49,32 +49,32 @@ void Arduboy2Base::begin()
 void Arduboy2Base::flashlight()
 {
   // sendLCDCommand(OLED_ALL_PIXELS_ON); // smaller than allPixelsOn()
-  setRGBled(255,255,255);
+  digitalWriteRGB(RGB_ON, RGB_ON, RGB_ON);
   while(!pressed(DOWN_BUTTON)) {
     idle();
   }
-  setRGBled(0,0,0);
+  digitalWriteRGB(RGB_OFF, RGB_OFF, RGB_OFF);
 }
 
 void Arduboy2Base::systemButtons() {
   while (pressed(B_BUTTON)) {
-    digitalWrite(BLUE_LED, LOW); // turn on blue LED
+    digitalWrite(BLUE_LED, RGB_ON); // turn on blue LED
     sysCtrlSound(UP_BUTTON + B_BUTTON, GREEN_LED, 0xff);
     sysCtrlSound(DOWN_BUTTON + B_BUTTON, RED_LED, 0);
     delay(200);
   }
 
-  digitalWrite(BLUE_LED, HIGH); // turn off blue LED
+  digitalWrite(BLUE_LED, RGB_OFF); // turn off blue LED
 }
 
 void Arduboy2Base::sysCtrlSound(uint8_t buttons, uint8_t led, uint8_t eeVal) {
   if (pressed(buttons)) {
-    digitalWrite(BLUE_LED, HIGH); // turn off blue LED
+    digitalWrite(BLUE_LED, RGB_OFF); // turn off blue LED
     delay(200);
-    digitalWrite(led, LOW); // turn on "acknowledge" LED
+    digitalWrite(led, RGB_ON); // turn on "acknowledge" LED
     EEPROM.update(EEPROM_AUDIO_ON_OFF, eeVal);
     delay(500);
-    digitalWrite(led, HIGH); // turn off "acknowledge" LED
+    digitalWrite(led, RGB_OFF); // turn off "acknowledge" LED
 
     while (pressed(buttons)) {} // Wait for button release
   }
@@ -82,12 +82,18 @@ void Arduboy2Base::sysCtrlSound(uint8_t buttons, uint8_t led, uint8_t eeVal) {
 
 void Arduboy2Base::bootLogo()
 {
-  // setRGBled(10,0,0);
-  for(int8_t y = -18; y<=24; y++) {
-    setRGBled(24-y, 0, 0);
+  digitalWrite(RED_LED, RGB_ON);
+
+  for(int8_t y = -18; y <= 24; y++) {
+    if (y == -4) {
+      digitalWriteRGB(RGB_OFF, RGB_ON, RGB_OFF); // green LED on
+    }
+    else if (y == 24) {
+      digitalWriteRGB(RGB_OFF, RGB_OFF, RGB_ON); // blue LED on
+    }
 
     clear();
-    drawBitmap(20,y, arduboy_logo, 88, 16, WHITE);
+    drawBitmap(20, y, arduboy_logo, 88, 16, WHITE);
     display();
     delay(27);
     // longer delay post boot, we put it inside the loop to
@@ -98,7 +104,7 @@ void Arduboy2Base::bootLogo()
   }
 
   delay(750);
-  setRGBled(0,0,0);
+  digitalWrite(BLUE_LED, RGB_OFF);
 }
 
 /* Frame management */
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 7380f0b..e2b5731 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -312,6 +312,17 @@ void ArduboyCore::setRGBled(uint8_t red, uint8_t green, uint8_t blue)
   // only blue on devkit
   digitalWrite(BLUE_LED, ~blue);
 #endif
+}
+
+  void ArduboyCore::digitalWriteRGB(uint8_t red, uint8_t green, uint8_t blue)
+{
+#ifdef ARDUBOY_10
+  digitalWrite(RED_LED, red);
+  digitalWrite(GREEN_LED, green);
+  digitalWrite(BLUE_LED, blue);
+#elif defined(AB_DEVKIT)
+  digitalWrite(BLUE_LED, blue);
+#endif
 }
 
 /* Buttons */
diff --git a/src/core/core.h b/src/core/core.h
index a607187..3575f4b 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -32,6 +32,8 @@
 #define SAFE_MODE    //< include safe mode (44 bytes)
 #endif
 
+#define RGB_ON LOW   // for digitially setting an RGB LED on
+#define RGB_OFF HIGH // for digitially setting an RGB LED off
 
 #ifdef ARDUBOY_10
 
@@ -254,9 +256,19 @@ public:
     /// send a single byte command to the OLED
     void static sendLCDCommand(uint8_t command);
 
-    /// set the light output of the RGB LEB
+    /// set the light output of the RGB LED
+    /**
+     * The brightness of each LED can be set to a value from
+     * 0 (fully off) to 255 (fully on).
+     */
     void static setRGBled(uint8_t red, uint8_t green, uint8_t blue);
 
+    /// set the RGB LEDs digitally, to either fully on or fully off
+    /**
+     * Use value RGB_ON or RGB_OFF for each color of LED.
+     */
+    void static digitalWriteRGB(uint8_t red, uint8_t green, uint8_t blue);
+
     /// boots the hardware
     /**
      * - sets input/output/pullup mode for pins