17-08-2016, 07:34
I decided to build this project after seeing the articles in Silicon Chip Magazine in March, April and May 2015. I live in a 3 level unit and have access to the roof above above, this seemed to be the ideal place to site the instrument mast and the TX unit.
I am an electrician by trade and have always had an interest in electronics, so after months of trawling through the forum to get some ideas, I eventually I ordered the boards and some parts on EBay in July 2016. As the parts slowly arrived Idecided to construct the RX board first and have virtually completed it today, only waiting for the SMA pigtails to the antennas.
I have no experience in Arduino programming but have managed to get it going in test mode but received some comments after the upload was done regarding memory.
"sketch uses 28,044 bytes (91%) of program storage space. Maximum is 39,720 bytes.
Global variables use 1,602 bytes(78%) of dynamic memory, leaving 466 bytes for local variables. Minimum is 2,048 bytes. low memory available, stability problems may occur."
My RTC is not on the correct time or date but with my limited programming skills I need some advice. This may be the problem with the memory issue as I am sure I read somewhere in the forum that it uses RTC memory ???
I will post some photos when I get it completed.
Thanks in advance,
Regards
Jim A
I am an electrician by trade and have always had an interest in electronics, so after months of trawling through the forum to get some ideas, I eventually I ordered the boards and some parts on EBay in July 2016. As the parts slowly arrived Idecided to construct the RX board first and have virtually completed it today, only waiting for the SMA pigtails to the antennas.
I have no experience in Arduino programming but have managed to get it going in test mode but received some comments after the upload was done regarding memory.
"sketch uses 28,044 bytes (91%) of program storage space. Maximum is 39,720 bytes.
Global variables use 1,602 bytes(78%) of dynamic memory, leaving 466 bytes for local variables. Minimum is 2,048 bytes. low memory available, stability problems may occur."
My RTC is not on the correct time or date but with my limited programming skills I need some advice. This may be the problem with the memory issue as I am sure I read somewhere in the forum that it uses RTC memory ???
I will post some photos when I get it completed.
Thanks in advance,
Regards
Jim A

