- On 64 bit, Installs to Windows\syswow64\libusb0.dll. - On 32 bit, Installs to Windows\system32\libusb0.dll.
http://playground.arduino.cc/Main/MIDILibrary
#define LED_PIN 13 void setup() { pinMode(LED_PIN, OUTPUT); } void loop() { digitalWrite(LED_PIN, HIGH); delay(3000); digitalWrite(LED_PIN, LOW); delay(3000); }