PCF8574T Module IO Expansion Module For Arduino - on Spark I've stumbled across this particular bit of kit PCF8574T Module IO Expansion Module For Arduino and it touts itself as a stackable 8-pin IO expansion ... http://ift.tt/1Lg1kFq

PCF8574T Module IO Expansion Module For Arduino - on Spark I've stumbled across this particular bit of kit PCF8574T Module IO Expansion Module For Arduino and it touts itself as a stackable 8-pin IO expansion ... http://ift.tt/1Lg1kFq
http://ift.tt/1E0N5Dx