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The libraries libboost and libboost-math install on the pi with a simple apt-get install on Ubuntu 18.04 (ARM64 version). However, the precision which can be achieved without a license is dependent upon the GMP library, but this is also available via apt-get. sudo apt-get install libboost1.65-dev sudo apt-get install libboost-math1.65-dev sudo apt-get ...


When you wire Tx directly to Rx for testing w/o anything that would add error like dongles it tells you how good the library really performs. Use GPIO 23 as Tx and GPIO 24 as Rx or other free GPIO on Raspberry Pi 3b+. This looks good in same order as the on board UART and it is practically next to it, just 3 pins to the right, with a GND pin at the right of ...

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