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ShrinkDuino UNO

Pocket sized ARDUINO UNO Clone

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My aim was shrinking the Arduino UNO to minimum size by simultaneously maintaining it's fundamental functionality and pinout.
The result is the ShrinkDuino UNO with ATMega328P and CH340G as USB-serial interface - well known from other Arduino UNO clones.
With a size of approximately 4.3 x 2.2 cm (without USB plug) it fits direktly to the USB port of a PC.

shrinkduino_manufacturing_data.zip

Gerber files for PCB production

x-zip-compressed - 20.43 kB - 01/09/2017 at 19:30

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shrinkduino_DesignSpark.zip

Project files for use in DesignSpark PCB

x-zip-compressed - 62.08 kB - 01/09/2017 at 19:29

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Discussions

Vije Miller wrote 10/15/2017 at 21:35 point

Major veto on the male pins vs female -- female jumpers are becoming a rarity and accidental shorts are more common.

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Zilvinas LY2SS wrote 10/07/2017 at 17:59 point

What about connectorless USB PCB plug ?

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K.C. Lee wrote 01/10/2017 at 00:21 point

May be it is an optical illusion, the connector spacing of the top two connectors in your picture does not look like they fall on a 0.1" grid to me.

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Lexcis wrote 01/10/2017 at 08:55 point

You mean the gap between IO-pins 7 and 8? It's not 0.1" grid, but it's the same like on the Arduino UNO.

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Radomir Dopieralski wrote 01/09/2017 at 20:28 point

What is the advantage over Arduino Nano?

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Lexcis wrote 01/09/2017 at 21:25 point

You can directly plug it into the USB-port :) And the pinout is the same like on Arduino UNO. That makes it easier to wire UNO shields to it. Admittedly a disadvantage are the missing LEDs for serial RxD and TxD.

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Radomir Dopieralski wrote 01/09/2017 at 23:20 point

I see. So from the practical point of view, I would need to get under my desk to plug it in, and I can't plug it into a breadboard because of the weird UNO half-pin header spacing.

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Lexcis wrote 01/10/2017 at 09:06 point

Nobody said it's the perfect solution for everyone. But for some of my projects it's more practical than wiring an UNO by USB cable. Maybe it's because I don't use breadboards and I mainly use my notebook instead of a desktop computer.

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Radomir Dopieralski wrote 01/10/2017 at 09:50 point

It's always great to have more choice! Good luck with the project!

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Lexcis wrote 01/09/2017 at 19:35 point

Hi, thanks for your hint. I just used this switch because I had it laying around in masses and it was very cheap.

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