# 5v interface circuit

**URL:** <https://forums.digi.com/t/5v-interface-circuit/2507>\
**Category:** XBee - Zigbee\
**Created:** [June 30, 2009, 8:47pm UTC](https://forums.digi.com/t/5v-interface-circuit/2507 "2009-06-30T20:47:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tron](https://avatars.discourse-cdn.com/v4/letter/t/3da27b/32.png) [@Tron](https://forums.digi.com/u/Tron)\
**Post date:** [June 30, 2009, 8:47pm UTC](https://forums.digi.com/t/5v-interface-circuit/2507/1 "2009-06-30T20:47:15Z")

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Is there a suggested schematic for interfacing to 5v microcontroller logic available? I’ve seen octal bus transceivers used, but seems a waste of board space - I only need TX/RX level shifting.

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**Author:** ![musshel](https://avatars.discourse-cdn.com/v4/letter/m/71e660/32.png) [@musshel](https://forums.digi.com/u/musshel)\
**Post date:** [June 30, 2009, 9:55pm UTC](https://forums.digi.com/t/5v-interface-circuit/2507/2 "2009-06-30T21:55:23Z")

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Yes, you can see a sample 3V to 5V schematic at [http://www.digi.com/support/kbase/kbaseresultdetl.jsp?id=2120](http://www.digi.com/support/kbase/kbaseresultdetl.jsp?id=2120)