Two Arduino cards (for example a nano, and a Nano Pro). A soldering iron (the tTS_100 found in all Chinese stores is a good compromise) A little soldering wire And thin cable (awg26-30) Open the PSNee ...

an ATMega328p stuffed into a microSD adapter. Unlike the other microcontroller stuffed in an SD card platform — the Electric Imp, [kodera] is, for the most part, respecting the standard pinout ...