# CP2103

**URL:** <https://community.sparkfun.com/t/cp2103/1394>\
**Category:** SparkFun Site Questions/Comments\
**Created:** [February 16, 2006, 7:26pm UTC](https://community.sparkfun.com/t/cp2103/1394 "2006-02-16T19:26:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nightsbird](https://avatars.discourse-cdn.com/v4/letter/n/779978/32.png) [@nightsbird](https://community.sparkfun.com/u/nightsbird)\
**Post date:** [February 16, 2006, 7:26pm UTC](https://community.sparkfun.com/t/cp2103/1394/1 "2006-02-16T19:26:46Z")

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I purchased the breakout board with cp2103. my gps module outputs rs232 -5v to 0v how can i connect this to the module. when i connect as described per board layout. in hyperterminal it shows data just not the correct data?

Help Please

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**Author:** ![sparky](https://yyz1.discourse-cdn.com/sparkfun/user_avatar/community.sparkfun.com/sparky/32/6021_2.png) [@sparky](https://community.sparkfun.com/u/sparky)\
**Post date:** [February 17, 2006, 5:49pm UTC](https://community.sparkfun.com/t/cp2103/1394/2 "2006-02-17T17:49:46Z")

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Hi,

The CP210x expects TTL level serial. You’ll need to use a MAX232 circuit to convert your RS232 signals to TTL.

-Nathan