How much current can be drawn from an Arduino Uno's 3.3V rail? - Quora
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![Arduino Nano Tutorial [Pinout]](https://diyi0t.com/wp-content/uploads/2019/08/Arduino-Nano-voltage-current-overview.png "Arduino Nano Tutorial [Pinout]")
Arduino Nano Tutorial [Pinout]
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Powering up via 5V I/O 4. Using batteries greater than 5V connected in... | Download Scientific Diagram
Power Arduino in 3 different ways
What is the maximum output voltage and current of an Arduino Uno? - Quora
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