im khairul from malaysia.
i try 1 of the project provided which is RS-485 MODBUS Serial Communication with Arduino as Master.
im using arduino UNO and ModbusMaster.h library
i having problem with the code while compiling.
node.begin(1,Serial); ---> this line keep getting error no matching function for call to 'ModbusMaster::begin(int, HardwareSerial&)'
also for this line
node.preTransmission(preTransmission); ---> the error 'class ModbusMaster' has no member named 'preTransmission'
[original story: Circuit Digest]