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How arduino shows output on Serial Monitor? Answered

Because inorder to display output of any microcontroller in Computer we have to Use MAX232 interface. Microcontroller uses TTL(Transistor Transistor Logic) and Computer Uses RS logic. Max 232 converts TTL into RS Logic so that the output of microcontroller will be displayed in computer. But there is no MAX232 used in arduino board. Then how Arduino is displaying output in serial monitor.

Tags:Arduino

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Nighter3D

Best Answer 2 years ago

The Arduino has a USB<->Serial bridge chip. On older arduinos this is done by a FTDI chip, modern ones use a programmed microcontroller. It converts the TTL serial into "Virtual serial" that is sent to your PC by USB.

Remember, We live in a world where you have adapters that allow you to connect almost any interface you can imagine to a USB port!

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steveastrouk

2 years ago

USB serial over virtual comm is NOT like standard rs232, though every effort is made to make it look like it.

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Downunder35m

2 years ago

You don't need a Max232 for thius, keep in mind we are talking USB here ;)