# \#gpio

**URL:** https://discourse.nodered.org/tag/gpio/64.md

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

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## [GPIO is showing OK not the pin state](https://discourse.nodered.org/t/gpio-is-showing-ok-not-the-pin-state/94965)

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**Author:** [@yelkenli](https://discourse.nodered.org/u/yelkenli)\
**Replies:** 23\
**Last updated:** [22 February 2025 22:26 UTC](https://discourse.nodered.org/t/gpio-is-showing-ok-not-the-pin-state/94965 "2025-02-22T22:26:56Z")

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I have 4 GPIO pins that node red on my RPi 3B+ is reading. Three of them show green and '0' a second after deploy. One reads 'ok' in yellow. I can press a test button on my sensor, which rf communicates to a base statio…

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## [Problem with SRF Node in Node-Red](https://discourse.nodered.org/t/problem-with-srf-node-in-node-red/94944)

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**Author:** [@ItalianSquirel](https://discourse.nodered.org/u/ItalianSquirel)\
**Replies:** 5\
**Last updated:** [28 January 2025 23:57 UTC](https://discourse.nodered.org/t/problem-with-srf-node-in-node-red/94944 "2025-01-28T23:57:51Z")

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I work as a researcher for the Alaska Center for Energy and Power (ACEP). I work very closely with a non-profit organization called Upward Bound and a big part of that non-profit work is getting students into Programm…

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## [Sometimes I get nrgpio python command not running error](https://discourse.nodered.org/t/sometimes-i-get-nrgpio-python-command-not-running-error/92394)

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**Author:** [@Cristian](https://discourse.nodered.org/u/Cristian)\
**Replies:** 1\
**Last updated:** [15 October 2024 05:53 UTC](https://discourse.nodered.org/t/sometimes-i-get-nrgpio-python-command-not-running-error/92394 "2024-10-15T05:53:52Z")

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Hi all, I have worked with NR for over 3 years, mostly for IOT projects. Recently I experienced a strange behavior: at the start or sometimes after a deploy I get "nrgpio python command not running" error. Not all the t…

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## [Nrgpio python command not running](https://discourse.nodered.org/t/nrgpio-python-command-not-running/90006)

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**Author:** [@mima232](https://discourse.nodered.org/u/mima232)\
**Replies:** 39\
**Last updated:** [13 August 2024 15:18 UTC](https://discourse.nodered.org/t/nrgpio-python-command-not-running/90006 "2024-08-13T15:18:08Z")

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Hello, I wanted to update my systems from the legacy Bullseye distro to the new Bookworm, however I've got this issue, which has some strange behaviour - when I use the gpio node, i get the error: "nrgpio python comman…

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## [Problem with node red and gpio](https://discourse.nodered.org/t/problem-with-node-red-and-gpio/89823)

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**Author:** [@makomouse](https://discourse.nodered.org/u/makomouse)\
**Replies:** 1\
**Last updated:** [28 July 2024 01:30 UTC](https://discourse.nodered.org/t/problem-with-node-red-and-gpio/89823 "2024-07-28T01:30:30Z")

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Hello! I'm reaching out to you after searching in many places without finding a solution. I have a Raspberry Pi 2 and a Raspberry Pi 3, both with Node-RED installed, one with 32-bit Raspbian and the other with 64-bit R…

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## [Migrating to Pi 5, trouble with pigpiod](https://discourse.nodered.org/t/migrating-to-pi-5-trouble-with-pigpiod/88762)

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**Author:** [@dennishvo](https://discourse.nodered.org/u/dennishvo)\
**Replies:** 9\
**Last updated:** [14 July 2024 07:07 UTC](https://discourse.nodered.org/t/migrating-to-pi-5-trouble-with-pigpiod/88762 "2024-07-14T07:07:24Z")

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It looks like pigpiod is no longer supported on the Raspberry Pi 5. I currently use node-red-node-pi-gpio to do PWM, which relies on pigpiod. What is the recommended alternative?

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## [Node-red in Linux os unable to control Raspberry pi 4B GPIO](https://discourse.nodered.org/t/node-red-in-linux-os-unable-to-control-raspberry-pi-4b-gpio/86528)

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**Author:** [@Henry8](https://discourse.nodered.org/u/Henry8)\
**Replies:** 14\
**Last updated:** [24 March 2024 08:57 UTC](https://discourse.nodered.org/t/node-red-in-linux-os-unable-to-control-raspberry-pi-4b-gpio/86528 "2024-03-24T08:57:18Z")

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Hi Guys! I'm new to Node-red, currently i'm doing a project that need to use raspberry pi 4b gpio pin. However, when i used "node-red-node-pi-gpio" rpi-gpio-out node, it said not available. And I don't know how to contr…

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## [RBPi GPIO issues](https://discourse.nodered.org/t/rbpi-gpio-issues/84519)

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**Author:** [@Simone](https://discourse.nodered.org/u/Simone)\
**Replies:** 5\
**Last updated:** [13 January 2024 20:59 UTC](https://discourse.nodered.org/t/rbpi-gpio-issues/84519 "2024-01-13T20:59:07Z")

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Hi friends, with the last NODE RED i've issues with RBPi's GPIOs. I've a setup with Raspberry Pi 2W and two SD cards with the following setups: SD1) Linux 5.10.17-v7+ armv7, Node Red 2.1.3, NPM v14.18.1, node-red-node…

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## [GPIO and raspberry pi 5](https://discourse.nodered.org/t/gpio-and-raspberry-pi-5/84241)

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**Author:** [@Caspar](https://discourse.nodered.org/u/Caspar)\
**Replies:** 11\
**Last updated:** [4 January 2024 17:17 UTC](https://discourse.nodered.org/t/gpio-and-raspberry-pi-5/84241 "2024-01-04T17:17:55Z")

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I try to use the default GPIO pin-out and get the message : "nrgpio python command not running". obviously I'm doing something wrong, or I'm forgetting to install some basics into the Raspberry Pi. How can I get this w…

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## [GPIO state changes only after reboot of Node-RED](https://discourse.nodered.org/t/gpio-state-changes-only-after-reboot-of-node-red/80285)

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**Author:** [@Sulomus](https://discourse.nodered.org/u/Sulomus)\
**Replies:** 6\
**Last updated:** [4 August 2023 07:27 UTC](https://discourse.nodered.org/t/gpio-state-changes-only-after-reboot-of-node-red/80285 "2023-08-04T07:27:11Z")

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Hello, I have a problem reading the digital IO from Node-RED. The raspberry PI Computing module 4 is enclosed in reTerminal DM industrial HMI. In documentation it is specified that Digital Input 1 is GPIO pin 16. There…

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## [Strange signal spike to GPIO pins at startup of NodeRED (Pigpiod)](https://discourse.nodered.org/t/strange-signal-spike-to-gpio-pins-at-startup-of-nodered-pigpiod/78391)

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**Author:** [@rik1984](https://discourse.nodered.org/u/rik1984)\
**Replies:** 59\
**Last updated:** [22 June 2023 09:25 UTC](https://discourse.nodered.org/t/strange-signal-spike-to-gpio-pins-at-startup-of-nodered-pigpiod/78391 "2023-06-22T09:25:04Z")

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I'm currently using NodeRED to interact with the GPIO pins of my RPI4 board. All works pretty well, but when I'm rebooting my RPI I have a very short signal pulse to the relays that are connected to the GPIO output pins.…

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## [\[solved\] Keyboard error: node stopped](https://discourse.nodered.org/t/solved-keyboard-error-node-stopped/78867)

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**Author:** [@pacohope](https://discourse.nodered.org/u/pacohope)\
**Replies:** 0\
**Last updated:** [1 June 2023 12:53 UTC](https://discourse.nodered.org/t/solved-keyboard-error-node-stopped/78867 "2023-06-01T12:53:50Z")

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I am using node-red-node-pi-gpio 2.0.6 and node-red-dashboard 3.4.0 with node-red installed on a Raspberry Pi 4 via the "installing on a Raspberry Pi" instructions. My Pi runs Raspberry Pi OS (Debian 11) and I ran into a…

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## [How can I set the status of node "rpi-gpio out"](https://discourse.nodered.org/t/how-can-i-set-the-status-of-node-rpi-gpio-out/78077)

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**Author:** [@habnefrage](https://discourse.nodered.org/u/habnefrage)\
**Replies:** 2\
**Last updated:** [1 May 2023 19:46 UTC](https://discourse.nodered.org/t/how-can-i-set-the-status-of-node-rpi-gpio-out/78077 "2023-05-01T19:46:15Z")

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Hi, is it possible to set the status (little icon, color and label) of any node? I found out, that I can set the status of a function node like this: node.status({ fill: "red", shape: "dot", text: "Demo" }); But I wou…

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## [Node red inside Home assistant with Raspberry pi 3 sees GPIO pins as Not available or NA](https://discourse.nodered.org/t/node-red-inside-home-assistant-with-raspberry-pi-3-sees-gpio-pins-as-not-available-or-na/76600)

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**Author:** [@aswathstorm](https://discourse.nodered.org/u/aswathstorm)\
**Replies:** 1\
**Last updated:** [15 March 2023 14:43 UTC](https://discourse.nodered.org/t/node-red-inside-home-assistant-with-raspberry-pi-3-sees-gpio-pins-as-not-available-or-na/76600 "2023-03-15T14:43:25Z")

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I have installed Home assistant in my Raspberry pi 3 and have add on Node red. then in the Manage pallet installed "node-red-node-pi-gpio" but after that if i use Gpio Out or In, i always see them as "Not applicable" o…