you probably want to use conversion h/w that understands 3.3 V. It is what I use.
On Thu, Dec 6, 2012 at 5:09 AM, Sean Dekker <sean.dek...@gmx.com> wrote: > Hi all, > > I could succesfully write an app for using UART0. The app compiles and > uploads just fine. But I have a slight proplem or misunderstanding that > hope you can point me to the right direction: > > > I am running the TelosB on batteries. It provides around 2.8 ~ 2.9 volts. > I want to connect the UART0 (from 10 pin IDC header) to MAX232N and > read/write to a PC. > > MAX232N Expects +5 volt in idle state, and I think anything over 3.7 volt > is counted as a high (or low) byte. > > My question is, is this the default TTL levels of TelosB (or MSP430). Is > there any of the shelf component that can help reaching CMOS level using > the 2.8 volt of batteries? > Regards, > Sean. > > > > > _______________________________________________ > Tinyos-help mailing list > Tinyos-help@millennium.berkeley.edu > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > -- Eric B. Decker Senior (over 50 :-) Researcher
_______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
