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output TTL 3.3v and SXBEE

http://forum.cytron.io/viewtopic.php?f=10&t=10905

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output TTL 3.3v and SXBEE

PostPosted: Thu Mar 17, 2011 10:38 am
by winfai
HI all,
Can output TTL 3.3V be used with SKXBEE??? This is very important for me... If not, what should i do?

thanks for reply

Re: output TTL 3.3v and SXBEE

PostPosted: Thu Mar 17, 2011 2:11 pm
by ABSF
Which part of SKXBee are you interfacing?

The USB part can be connected directly to the PC. The UART part is +5V tolerant if I am not wrong. You dont need to use 3.3V part to interface unless you are talking about OEM XBee. Then you'll need 74LVC4245 level shifters.

Allen