Easily add a four digit 7-segment display to your Arduino

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Parts List

ImageDescriptionQuantityName
Printed circuit board1
2 digit 7-segment display2
74HC595 IC1
74LS247 IC1
2N4403 PNP transistor4
.1uF capacitor2C1,C2
6mm tactile switch
1RESET
10K ohm resistor : brown-black-orange-gold5
150 ohm resistor : brown-green-brown-gold8
40-pin male header1
6-pin female header2
8-pin female header2