Sketch #1 – Blink

This simple program is a good way to do your first test on Archiduino 1284. It turns on the LED on for one second, then off for one second, repeatedly. Meanwhile it gives some infos throughout the Arduino IDE serial monitor (SHIFT+CTRL+M)


  1. LED is a keyword embedded in pins_arduino.h, the default pins assignment library that is loaded when you choose Archiduino1284 board on Arduino IDE. If you feel more comfortable with other definitions, you may use instead:
    – PD6
    – D9 (or simply 9)
  2. This firmware works ONLY with Arduino IDE 1.6.2.
  3. Logical state of the LED is inverted, so if you set it as LOW, the LED lights on.



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