Arduino launched Due in 2012 with the microchip AT91SAM3X8E, a 32-bit microcontroller based on ARM Cortex M3 clocked at up to 84MHz. The SAMA5D27C-LD1G microchip inside the Jupiter Nano, on the other hand, is based on Cortex A5 and is capable of operating up to 500MHz. Technically the Raspberry Pi Zero W is more powerful, but the Jupiter Nano is a tool born with other purposes in mind.
The creators of the Jupiter Nano claim that the card has 128MB of memory, which is 1,280 times larger. more than that available in Arduino Due, on a 48-pin form factor measuring approximately 63.2 × 28.6 mm. It starts from an SD card, has several USB 2.0 ports and can be programmed via a JTAG interface. Jupiter Nano will presumably support Linux and the Apache NuttX real-time operating system. The creators seem to have high hopes for its Linux capabilities, as they explained on the Crowd Supply page:
Jupiter Nano is perfect for Arduino users who need a small computer with more CPU power. a lot of RAM or a real-time operating system connected to the Internet (NuttX). It should also be appealing to all Linux users who need a small, open source hardware computer with lots of I / O and high-speed Wi-Fi.
We suspect that most people will have a better Linux experience using more powerful cards. However, the open source aspect might be interesting for some hobbyists. The creators of Jupiter Nano have stated that they intend to publish "the files, schematics, project files and software of the KiCAD board" to the public "once the campaign is fully funded".
It was not said when the project will officially start crowdfunding. CNX Software reported that pricing information will be available at launch (Arduino Due currently costs $ 40.30 for comparison).
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