... Card Reading & Writing Module Shield Microcontroller SPI Interface Mode SD Card Socket 100% brand new Details:A**o Nano is a base ... open source , ultra-small Simple i / o platform , compared with the prior version of USB Arduino Diecimila , ... together with Flash, Processing, Max / Msp, PD, VVVV software . A**o Nano technology parameters :1.14 digital input / output port TX ...