diff --git a/avr/variants/leonardo_no_usb/no_usb_isr.cpp b/avr/variants/leonardo_no_usb/no_usb_isr.cpp
new file mode 100644
index 0000000..eec342f
--- /dev/null
+++ b/avr/variants/leonardo_no_usb/no_usb_isr.cpp
@@ -0,0 +1,11 @@
+#include <Arduino.h>
+#include <pins_arduino.h>
+
+// workaround for undefined USBCON has to be placed in every sketch
+// otherwise the timings wont work correctly
+// this is only needed for Leonardo/Micro boards and not for HoodLoader2
+// due to a better bootloader reset (usb clock does not run after programming)
+ISR(USB_GEN_vect)
+{
+	UDINT = 0;
+}
\ No newline at end of file
diff --git a/avr/variants/micro_no_usb/no_usb_isr.cpp b/avr/variants/micro_no_usb/no_usb_isr.cpp
new file mode 100644
index 0000000..eec342f
--- /dev/null
+++ b/avr/variants/micro_no_usb/no_usb_isr.cpp
@@ -0,0 +1,11 @@
+#include <Arduino.h>
+#include <pins_arduino.h>
+
+// workaround for undefined USBCON has to be placed in every sketch
+// otherwise the timings wont work correctly
+// this is only needed for Leonardo/Micro boards and not for HoodLoader2
+// due to a better bootloader reset (usb clock does not run after programming)
+ISR(USB_GEN_vect)
+{
+	UDINT = 0;
+}
\ No newline at end of file
diff --git a/examples/Projects/Leonardo_Micro_NoUSB_Blink/Leonardo_Micro_NoUSB_Blink.ino b/examples/Projects/Leonardo_Micro_NoUSB_Blink/Leonardo_Micro_NoUSB_Blink.ino
deleted file mode 100644
index 8309b26..0000000
--- a/examples/Projects/Leonardo_Micro_NoUSB_Blink/Leonardo_Micro_NoUSB_Blink.ino
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- Copyright (c) 2014 NicoHood
- See the readme for credit to other people.
-
- Leonardo_Micro_NoUSB_Blink
- 
- Blinks Led and shows what workaround is needed to fix the timing.
- This is not needed for HoodLoader2 devices any more.
-*/
-
-
-// workaround for undefined USBCON has to be placed in every sketch
-// otherwise the timings wont work correctly
-ISR(USB_GEN_vect)
-{
-  UDINT = 0;
-}
-
-// the setup function runs once when you press reset or power the board
-void setup() {
-  // initialize digital pin 13 as an output.
-  pinMode(13, OUTPUT);
-}
-
-// the loop function runs over and over again forever
-void loop() {
-  digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
-  delay(1000);              // wait for a second
-  digitalWrite(13, LOW);    // turn the LED off by making the voltage LOW
-  delay(1000);              // wait for a second
-}