Download Arduino Uno Pins Diagram PNG. As shown in the diagram above (via the red traces), the pins related to arduino uno r3 mcu part. Arduino uno r3 technical specifications.

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Returning to the electronic design, the microcontroller section has the. I advise you to atmega328 block diagram. I redistributed the original arduino uno schematic to be more readable below.

Along with atmega328p, it consists other components such as.

Only digital pins 2 and 3 can be used as interrupt pins. The current version of arduino uno comes with usb interface, 6 analog input pins, 14 i/o digital ports that are used to connect with. They operate at 5 volts. Brief review of arduino uno r3 pin diagram, electronic component used, power supply, technical specification.