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Send stored ascii string with rs232

kjartani

Sep 14, 2011
1
Joined
Sep 14, 2011
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Hello

To be able to control a video switch matrix I need a circuit to send control strings to its rs232 control port.
Im going to send one of sixteen strings to select the apropriate input.
So I will use a 16 button keypad, something to store 16 ascii strings, and a rs232 interface.

Maybe some one can help me?

Best regards

Kjartan Iversen
 

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
Moderator
Jan 21, 2010
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Jan 21, 2010
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25,510
A microcontroller?

On a given keypress it sends the string via RS232. You may need an appropriate driver if you want "proper" RS-232 levels, but these days almost everyone uses 0V and 5V
 
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