Arduino uno counter 0 and 2 with external pulses

[Thegrumpyoldman]

Hello

I am using a Arduino Uno on this moment
I want to count external pulses with counter 0 and counter 2
which inputs are connected to counter 0 and counter 2?
I am using counter 1 for timing purposes to read and reset counter 0 and 2

thanks

Jos

[UKHeliBob]

Your topic has been moved to a more appropriate forum category as it is not directly related to use of version 1.x of the IDE

[camsysca]

Hopefully, this will help:

Timer Interrupts and PWM Pins

I just started reading about Timers and Interrupts. From what I understand the 328 has 3 timers (TIMER0, TIMER1, TIMER2), which is used in Arduino (UNO, etc.) to control the PWM pins: Pins 5 and 6: controlled by Timer 0 Pins 9 and 10: controlled by timer 1 Pins 11 and 3: controlled by timer 2 I always thought those PWM pins are different from the other I/O pins - but it seems they are not, no? Furthermore, if I write my own routine using TIMER0, PWM Pins5 and 6 - and the delay() function! -…

[Thegrumpyoldman]

Hello Thanks for your answer

I have tried to count the signals direct from a port but I am missing pulses
the meaning is that the program will run on a nano, can I use than timer 2 for counting?
are the inputs the same?

Jos

[jim-p]

@Thegrumpyoldman

I am missing pulses

What is the frequency of the pulses?
What is the width of the pulses?
What are the LOW and HIGH voltage levels of the pulses?

Only Timer1 and Timer0 have external clock inputs.
Timer0 is used by the delay function.

[dougp]

@Thegrumpyoldman

I want to count external pulses

Yes, but for what purpose? What is the goal?