Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

But if you can push your button while your yellow LED is lit, ... plus a current-limiting resistor and the all-important buzzer. ... 4 thoughts on “ 1D LED PONG, Arduino-Style ” Joshua says: ...

Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push button increment of the counter from 0 to 9. The whole circuit can ...