@zander hi Ron, I do all of the initialization of the timer once in setup. What I have observed is the setting of the compare match register. I do...

@zander, @Ron, @Davee @Ron suggested that I read /timer interrupts//by Amanda Ghassaei//June 2012//p> Amanda was very helpful and with that guidan...

@zander Arduino Uno

@davee This application is a learning project to become more familiar with interrupts and how they work. I have mainframe interrupt experience so I un...

@davee Hi Dave, Many thanks for your response. I will try TCCR1B |= 0b00000101; // set low order 3 bits to the value that selects a divisor of 1024....

@zander i wrote my first program 63 years ago. No language then, just 1's and 0's and no stacks, heaps of whatever.

@thats what I was looking for, thanks

@davee Thank you all for your prompt responses. I think I am reading that just because the numbers do not indicate that too much memory was used, its ...

Here is what the documentation says: Reset - this is module hard reset pin. By default it has a high pull-up (module not in reset). If you absol...

After many attempts, I managed to get the board (Adafruit #2542 - FONA GSM/GPS) to begin to work. The literature that is supplied by Adafruit mentio...

I did not know about using Flash for SMS storage. I tried it with no success. That same post reference send a SMS to Twitter because it always respond...

Update: I used the Reset on the FONA as described in the instructions. No chnge.

Thank you for responding, In order to remove as many chances that might exist because of my coding: I took the FONATest sketch that came with the ot...