Connecting qt with arduino
i'am a new user for qt
i wanna know how to connect arduino to qt so ia can send ans receive data
Take a look at "QtSerialPort":http://qt-project.org/doc/qt-5/qtserialport-index.html module.
the terminal app example using QtSerialPort as sierdzio mentioned is a good start.
A while back I set up an arduino/cubietruck vehicle, using QtSerialPort between the two embedded boards to send the control messages:
(the terminal app is the one communicating with arduino - and in the wiki section there's the arduino specific serial port code)