For Q3 that C code should be adjusted to CASIC not UBX.
What C code are you referring to ? The C code just sets up the pipes. What flows through the pipes (UBX or CASIC) is sent via javascript in function calls to Serial1.write(...)- isn't it ?
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What C code are you referring to ? The C code just sets up the pipes. What flows through the pipes (UBX or CASIC) is sent via javascript in function calls to Serial1.write(...)- isn't it ?