Nano V3

[last update: 2021-10-07]
(go to:) Arduino boards
(go to:) RF-Nano
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nano Funduino protoboard

onBoard LED's

• The Arduino Nano can be powered:
• via the Mini-USB connection,
• or with 6-20V unregulated external power supply (pin 30),
• or 5V regulated external power supply (pin 27)
• The power source is automatically selected to the highest voltage source.
• Interrupts:
  Nano only has 2 pins that can be used for external interrupts: pins 2 & 3

• PWM:
  Six pins can be used for PWM outputs: D3, 5, 6, 9, 10, 11

• Gotcha:
  At least for the clones I have, to program them with Arduino IDE,
  you must select: Tools > Processor: > ATmega328P (Old Bootloader)

• SPI pins are hard-coded:
  10 (SS/CSN),
  11 (MOSI),
  12 (MISO),
  13 (SCK)

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