Tinycircuits small form factor tinycircuits asd2201 r the tinycircuits tinyshield microsd shield provides for those times when you need to add a little storage to your projects and for the times when you need a lot with sd card support libraries included with the arduino ide you can have your project using microsd cards quickly and easily this tinyshield incorporates circuitry to operate over the tinyduino operating range up to 5v dc there is no need to worry about damaging your microsd ca