Seeed convert arduino gpio to terminal block connections seeed studio 103030006 p the screw shield from seeed studio converts the gpio pins on your arduino to screw terminals this pair of boards sits on the gpio pins of your arduino and also allows other shields to be stacked on top additional contact points are provided for vin gnd and 5v plus solder pads for 2 x adc signals an extender is provided for the icsp pins too p seeed 103030006 convert arduino gpio to terminal block connec