Scoreboard Display

A simple project that counts the number of times you've pressed the button. Can be used as a scoreboard display for a game.

The Circuit

The CD4026 is a pulse counter that outputs signals to control a 7-segment to display the result. For each button press, the CD4026 counts up.

The schematic diagram

Parts List

R1
390
R2
390
R3
390
R4
390
R5
390
R6
390
R7
390
R8
100k
SW1
Pushbutton
U1
CD4026
U2
7-Segment Display

The Layout

Here's how you can build this circuit on a breadboard:

The layout diagram