If a shared object dependency does not contain a slash, then it is If LD_LIBRARY_PATH is defined, then it is used first, but doesn’t disable the other lookups (which also include a few default directories). So there is no default value for LD_LIBRARY_PATH, default library lookup doesn’t need it at all. Its contents can be listed by running ldconfig -p. The cache is stored in /etc/ld.so.cache, and is updated by ldconfig which looks on the paths it’s given in /etc/ld.so.conf (and nowadays typically files in /etc/ld.so.conf.d). And finally adding different ports/ headers for the widely used 12C modules, screens, Bluetooth, Radio modules and sensors.īecause I want to test my projects first on this Arduino so by decreasing the number of jumpers wires circuit become less complicated.The usual dynamic linker on Linux uses a cache to find its libraries. Cost can be reduced using SMD components, using a low power USB to serial. To eliminate these problems and to modify the overall layout I choose to make my own microcontroller development board which is fully compatible with UNO. Not because of any mistakes but due to compatibility issues.ġ) Old USB type B, which is not used too much nowadays.Ģ) Power jack can be eliminated, because direct power system is more consistence.ģ) Female headers are available in low number But the design is same during this era butt I want to modify the design. Because Arduino is released in 2012 and getting more and more interesting day by day.
And I know the communication protocols and hardware compatibility. I am working with Arduino for a long time.
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