A maker developer has squeezed an Arduino onto an SD card. His aim was to go one better than Intel’s Edison.
Already dubbed SDuino, it is kodera2t’s entry for the Hackaday Prize.
“Once I was excited to see Intel’s announce that they will release “SD card sized (SD card shaped) computer”, but it was not true. This time I made a real SD card sized full programmable (indeed, Arduino pro compatible) small computer board,” said the developer, who calls himself – kodera2t.
It consists of ATMega328P and four LEDs connected to D6 to D9. (red, blue, green, white).
As shown in above image, I assigned several non-standard function to SD card interface, but I needed to be careful for VCC and GND, not to make short circuit even if my wife puts it to computer by mistake.
A0 is assigned to one of GND, which will not make fatal side-effect for computer connection.
Will it be possible to programme the SDuino through the SD card interface?
“The SD card interface has a definition of “iSDIO” which is different from general storage access, and I imagine and guess if appropriate driver is developed in OS level, direct programming (without USB-TTL) will be implemented,” said the developer.
He invites anyone who is familiar with iSDIO and who knows how to make OS level driver to get in touch.
“Actually, developing general iSDIO driver is quite useful not only for SDuino but also all general SD card in order to bring out its capability, and I believe it is worth to do. Of course the driver implementation does not have any bind with SDuino but the developer has its own copyright and if needs it can be sold in consideration of its usefulness.”
The 2015 Hackaday Prize is open for entries to compete for the Best Product award.
If you can deliver three working beta test units, prove your design can be manufactured, and you can win $100,000 in cash, a six month residency at the Pasadena HackASpace, and help with introductions to the partners you need to reach market.
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