# GPIOs not responding to input change
**URL:** https://discourse.nodered.org/t/gpios-not-responding-to-input-change/89107
**Category:** General
**Created:** [30 June 2024 12:12 UTC](https://discourse.nodered.org/t/gpios-not-responding-to-input-change/89107 "2024-06-30T12:12:26Z")
**Posts on this page:** 2
**Page:** 2
### Author:  [@jpadie](https://discourse.nodered.org/u/jpadie)
#### Post date: [30 June 2024 16:03 UTC](https://discourse.nodered.org/t/gpios-not-responding-to-input-change/89107/21 "2024-06-30T16:03:15Z")
uninstalling rpi.gpio brings the rotary encoder back to life.
but is a dependency for the ADC hat! and current sensing is a dependency for this project, sadly. will have to see if I've got time to roll my own SPI query-er.
I've not coded within node-red before. can things like SPI be used inside a function node or does this have to be packaged as a module? I guess I'm asking what kind of limitations a function node has versus the javascript run directly with node?
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### Author:  [@system](https://discourse.nodered.org/u/system)
#### Post date: [28 September 2024 16:03 UTC](https://discourse.nodered.org/t/gpios-not-responding-to-input-change/89107/22 "2024-09-28T16:03:38Z")
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