The 8 SEG LED Board enables you to easily add four 8-segment digits to your device. It is ideal for applications such as displaying the digits and/or time.
Features
four 8-segment digits, control interface (8 data pins & 5 control pins)
Usage:
Put 5V to VCC and 0V to GND .Then put 5V to one of the digit selector pins (CT1, CT2, CT3, CT4) to activate it. Putting GND to the Segment pins (a,b,c,d,e,f,g,dot) will activate the corresponding LED segment.