Tak zase nějaká chybka.Píše to toto
C:\Users\MPUHLO~1\AppData\Local\Temp\arduino_modified_sketch_719325\klimav2.ino: In function ‚void loop()‘:
klimav2:162: error: invalid operands of types ‚const char*‘ and ‚const char [17]‘ to binary ‚operator+‘
client.println(„<span style=’color:red; font-weight:bold;‘>Topim na “ + CILOVATEPLOTA + „*C</span></font>“);
^
klimav2:193: error: expected ‚}‘ at end of input
} // fine loop
^
exit status 1
invalid operands of types ‚const char*‘ and ‚const char [17]‘ to binary ‚operator+‘