# \#cts-hardware-flow-co

**URL:** https://forums.digi.com/tag/cts-hardware-flow-co/1673.md

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## [Discovery and RTS DTR](https://forums.digi.com/t/discovery-and-rts-dtr/13741)

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**Author:** [@Ispybadguys](https://forums.digi.com/u/Ispybadguys)\
**Replies:** 1\
**Last updated:** [October 30, 2014, 10:23am UTC](https://forums.digi.com/t/discovery-and-rts-dtr/13741 "2014-10-30T10:23:11Z")

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I have two questions about using the Xbee digimesh. The first is that when I connect the rx an tx lines to an arduino this seems to prevent the discovery of the device connected to the arduino. If I disconnect the din li…

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## [CTS hardware flow control](https://forums.digi.com/t/cts-hardware-flow-control/13643)

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**Author:** [@yannis](https://forums.digi.com/u/yannis)\
**Replies:** 2\
**Last updated:** [September 25, 2014, 8:28am UTC](https://forums.digi.com/t/cts-hardware-flow-control/13643 "2014-09-25T08:28:30Z")

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hi guys, Thanks for your response :wink: my question is about the CTS pin in xbee 2 ZB; in my project i need to use it, but i don’t know where to connect it with pic 18f4520 (which pin), any idea ^^.