sorry I didnt elabaroate, im making a timer for misc projects like a ... timer . so i have 4 7 segment leds, 3 big blue , one small red.
i have the 3 big seconds , and the red as miliseconds. ,
but i dont know if it counts in seconds ,,,or if it is slow or fast , how do I make sure the timer is accurate in seconds
And I didnt know if anything would overheat or have a problem if i leave it on for long periods, will something happen?
Heres my code and some pictures...