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Hello: Can I use my ARM CORTEX MO board to contert 5V to serial? will it be reliable? anyone already experienced it? can we interface them directly to a microcontroller without other components?
thanks
Converting 5V to serial is like converting 10 meters of rope into 100dBA.
But if you mean if it is possible to convert 5V logic-level serial data into RS232-level serial data, the answer is yes. You can use a MAX232 or similar to convert between the logic levels used by a 5V microcontroller and the logic levels used by the serial port of a PC.
The particular Cortex-M0 microcontroller was not mentioned - so you'll have to check its datasheet for details of what logic levels it uses!
NB: there are also 3.3V versions of the MAX232 available...
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