Control of motor on Keypress of keyboard

Other Hardware Motors, Mechanics, Power and CNC
1

hey guys , let me cut to the chase , If i have to control a motor via serial port i`ll press the button and press enter on serial port monitor that would increase/increment the speed etc.

Now the situation is that i`m in a far more reactive environment , I dont want to press the enter key and the need is to transmit the signal as soon as the key is pressed for example , if i press the 'w' key the speed of motor must continue to increase until the key is unpressed or the speed is maximum .

Kindly guide me with the general procedure to this

2

The Arduino has no problem detecting incoming characters with or without CR or LF.

So your question is how to do this on a PC.
The serial monitor of the Arduino IDE requires to press the 'Enter' key.
Also many serial terminal programs are used this way.

You could write a very simple program yourself for the PC.
There are also many scripted languages for such a program on the PC.

Perhaps someone else knows a ready-to-use solution ?