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The Arduino UNO Board

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Vatsal edited this page May 25, 2025 · 4 revisions

Arduino UNO

Arduino UNO is a microcontroller board based on the ATmega328P. It has:

  • 14 digital input/output pins (of which 6 can be used as PWM outputs)
  • 6 analog inputs
  • A 16 MHz crystal oscillator
  • A USB connection
  • A power jack
  • An ICSP header (In-Circuit Serial Programming header)
  • A reset button

Arduino UNO board

It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

You can tinker with your UNO without worrying too much about doing something wrong—worst case scenario, you can replace the chip for a few dollars and start over again. It is the perfect board to get familiar with electronics and coding.

Created and maintained by Open Horizon® under the GNU AGPLv3 licence. Visit the full repository at https://github.com/openhorizonrobotics/ece-1.

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