CONTAINED WITHIN
1 Printed Circuit PCB
4 Seven segment displays
7 Resistances R330¼
1 Decoder SN74LS47N
4 Resistances R1K ¼
4 PNP Transistors BC557-B
1 DB-9 Connector 500-020
When you install the integrated circuit, pay attention to the
numbering of the pins paying special attention to the #1 pin.
PIN 1
ENGLISH-04