Whadda Input-output shield for Arduino

Arduino Relay Shields - Whadda WPK05, A kit of parts that assembles into an I/O shield designed for use with Arduino Uno, Arduino Mega and Arduino Due boards. When assembled the shield can be used as a general input/output shield for a connected Arduino board. All components required are provided for assembly and full illustrated instructions are supplied. Whadda Input-output shield for Arduino

Price: 21.46 from Rapid Online Rapid Electronics Ltd.