Arduino Nano 3.2

1 year ago

Open source license: CC-BY-SA 3.0

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Description

I made this schematic for the Arduino Nano 3.2 to be as close as possible to the official schematic found here. I chose similar components as on the official Nano. This does mean the schematic is a bit weird, as the resistors, for example, are merged into resistor arrays, meaning I had to make some jumps to the arrays. The PCB dimensions and the headers should be accurate enough to make measurements for a housing or Nano compatible board (provided as-is though), however, most measurements with component placement have been eyeballed. I also didn't map the traces, so some identical components might be swapped from their actual place on the board. I needed the schematic for a project, and thought I might as well share.

To be clear, I am in no way affiliated with Arduino.

Documents

Arduino Nano 3.2 Schematic

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Arduino Nano 3.2 PCB

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BOM

ID Name Designator Footprint Quantity BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part
1 c3ea0f04045a57b4ed605f24deecdb76 U5 SSOP-28_208MIL 1 LCSC FTDI FT232RL-REEL C8690
2 1e6dc5c709a6489a963cb082ca45e94b F1 1812 1 LCSC BOURNS MF-MSMF050-2 C17313
3 fa33d4808b42d46b96893a5da4a98304 U2 TQFP-32_7X7X08P 1 LCSC MICROCHIP ATMEGA328P-AU C14877
4 b8b514e23d69468085f86a211b74be84 U1 SOT-223 1 LCSC TI LM1117IMPX-5.0/NOPB C41202
5 785015d00e024ecf890da3c7754f9b72 D1 DO-220AA(SMP) 1 LCSC Vishay Intertech SS2P4-M3/84A C222485
6 798d338ecc35f17f69de553775e18bf4 H3 HDR-TH_6PIN-V-ROW2-COL3-MALE-PITCH2.54 1 LCSC BOOMELE Header-Male-2.54_2x3 C65114
7 d81ceb6e34884f4abc0c65fc0de793b8 H1,H2 DIP-1X15P-2.54MM-M 2 LCSC Ckmtw 210S-1*15P L=11.6MMGold-plated black C124373
8 f042950185574e4991e9cc2e207081a5 SW2 SKRKAEE020 1 LCSC ALPS SKRKAEE020 C115357
9 faca0e2160e441c7507ea2e9d6218228 RP2,RP1 0603_X4 2 LCSC UniOhm 4D03WGJ0102T5E C20197
10 250ad6dd15b5891070533638a1091211 C11,C12 CASE-A_3216 2 LCSC AVX TAJA475K020RNJ C7188
11 8bc283f2d24b5269e9369128130eb858 C3,C7,C13,C14 0603 4 LCSC WTC 0603B104K160 C80516
12 6911daec8e0e4c88b9c4307775d07719 X1 3213 1 LCSC MuRata CSTCE16M0V53Z-R0 C91585
13 71726bc9ba94d6eb14c382f09bf26e37 LEDTX LED-0603 1 LCSC NATIONSTAR FC-D1608HOK-600H C84269
14 25a90e9f01804798af50ca30e51f0e21 LEDRX,LEDPWR,LEDBUILTIN LED-0603 3 LCSC Orient ORH-G36G C205443
15 637415f70eb949abfaeba2abe658ee9b C1,C2,C4 0603 3 LCSC SAMSUNG CL10A105KB8NNNC C15849
16 093f5d76db744fb7a7fb649d47817c5e USB2 67503-1020 1 LCSC MOLEX 67503-1020 C136451

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All comments 3

jillianmontague

Useful means to save your precious time directions

2021-02-23 18:51:45
Reply

Maarten Oudijk

@Silvio2400
The schematic is a direct copy of the one provided by Arduino themselves, so it should be exactly the same as the schematic used in the production of the real deal. I'm pretty sure the schematic is a 1:1 copy, but you should probably still check it yourself (just good practice really).
My reference is here: https://www.arduino.cc/en/uploads/Main/Arduino_Nano-Rev3.2-SCH.pdf

2020-11-20 21:11:06
Reply

Silvio2400

Does the schematic work?
I am making a board with this as a template and don't know if i will be good using this.
Thank you very much for publicizing this and all your work  you have done!

2020-11-19 20:15:56
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