# Node Red - R Pi sensor

**URL:** <https://discourse.nodered.org/t/node-red-r-pi-sensor/53116>\
**Category:** General\
**Created:** [2 November 2021 09:53 UTC](https://discourse.nodered.org/t/node-red-r-pi-sensor/53116 "2021-11-02T09:53:26Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![jbudd](https://avatars.discourse-cdn.com/v4/letter/j/5f8ce5/32.png) [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Post date:** [2 November 2021 22:29 UTC](https://discourse.nodered.org/t/node-red-r-pi-sensor/53116/15 "2021-11-02T22:29:49Z")

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The error "Command failed: python3 ~ dht\_simpletest.py":  
~/dht\_simpletest.py is a Bash shortcut for `<my home directory>/dht_simpletest.py`.  
You left out the /  
It would not have fixed whatever problems you are experiencing though.

Please share your Python code and Node-Red flow.  
[https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506)

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