7 segment display

This shield uses a 4 digit, 7-segment display to give you the data you need. You can use it to make clocks, timers, show sensor data, or anything else you can dream up. Here is a picture of the shield …

In this example we will connect a 7 segment display to an Arduino Schematic Code [c] const int  A = 4; const int  B = 5; const int  C = 6; const int  D = 7; const int  E = …