# Data from RPI with UART to NR

**URL:** <https://discourse.nodered.org/t/data-from-rpi-with-uart-to-nr/39688>\
**Category:** General\
**Created:** [25 January 2021 05:37 UTC](https://discourse.nodered.org/t/data-from-rpi-with-uart-to-nr/39688 "2021-01-25T05:37:07Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![Easy4M](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/easy4m/32/35749_2.png) [@Easy4M](https://discourse.nodered.org/u/Easy4M)\
**Post date:** [27 January 2021 12:29 UTC](https://discourse.nodered.org/t/data-from-rpi-with-uart-to-nr/39688/22 "2021-01-27T12:29:55Z")

</div>

```auto
"serial port /dev/ttyAMA0 error: Error: Error Resource temporarily unavailable Cannot lock port"

```

Have this after all configurations, port was tested by ipython. He work perfectly but when i open this port on NR debug give this error. Help, Thank's

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [28 March 2021 12:30 UTC](https://discourse.nodered.org/t/data-from-rpi-with-uart-to-nr/39688/23 "2021-03-28T12:30:25Z")

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