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The Nano V3.0 seen from above at an angle: a long narrow black board with a silver USB-C socket at one end, the square ATmega328P chip in the middle, a small silver reset button, a row of fifteen pins down each long edge with the names VIN, GND, RST, 5V, A7 to A0, AREF, 3V3 and D13 along one and TX, RX, RST, GND and D2 to D12 along the other, and a block of six pins in the far corner.
VR

View it in VR

This board opens in a VR headset: life-size, or big enough to stand beside, with every pin and every part named where it sits. Open this address in the browser on a headset such as Apple Vision Pro or Meta Quest.

learn.lonelybinary.com/vr/nano
You have this

Nano V3.0 USB-C (ATmega328P)

A Nano V3.0 with an ATmega328P and USB-C, and a shield that puts a light on 22 of its pins. The one rule: power off before the Nano goes into the shield or comes out of it, the right way round, pushed fully home.

Chip
16MHz ATmega328P
Flash
32KB program memory
I/O
14 + 8digital and analogue
Size
43.2 × 18mm
Start here · 01 Seat it with the power offOpen the Nano in 3D

Turn it over, click any pin on either row, and see its name, what the ATmega328P can do with it and what is on it already.

Product questions & answers ↓

The Nano and the PinPulse shield

The Nano seats in the shield, which puts a light on 22 of its pins. Power off before it goes in or comes out, and mind the direction.

You have this16MHz ATmega328PNano V3.0 USB-C (ATmega328P)Flash: 32 KB program memory
See this board 22one per I/O pinNano PinPulse Shield, 22 Pin LEDsEach pin: 3 ways out
The whole handbook9 articles · 40 minQuick referencePDF · 580 KB3D model (GLB)GLB · 6.3 MBCAD model (STEP)ZIP · 4.2 MBDrawing (DXF)ZIP · 239 KBDrawing (PDF)PDF · 2.2 MBDatasheetPDF · ww1.microchip.comPinout and specsThe pin table, and the questions people ask first
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Product questions

See what other owners have asked, and read their solutions.

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Nano V3.0 USB-C (ATmega328P)

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Nano V3.0 USB-C (ATmega328P)
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Order or missing parts?

Email us or reply to your order, and quote nano — that identifies the product. If something is missing from the bag, your order is the record of what shipped.

Take it with you

Point a phone camera at the code and this page opens there. It is the same address as the one printed on your box, so it is also what to show someone you are passing the board to.