RC2014 Digital I/O PCB 40 pin header 20 pin narrow DIL socket x 2 16 pin narrow DIL socket 74HCT245 74HCT374 74HCT138 3mm Green LED x 8 Tactile Switch x 8 2k2 resistor x8 330R resistor x 8 10k resistor x 1 1N4148 diode x 6