# \#raspberry-pi

**URL:** https://discourse.nodered.org/tag/raspberry-pi/96.md

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

---

## [RPi 3 / 4 - Boot problems with Zigbee Coordinator plugged in](https://discourse.nodered.org/t/rpi-3-4-boot-problems-with-zigbee-coordinator-plugged-in/100371)

<div class="topic-metadata">

**Author:** [@ceysa75](https://discourse.nodered.org/u/ceysa75)\
**Replies:** 0\
**Last updated:** [13 February 2026 07:26 UTC](https://discourse.nodered.org/t/rpi-3-4-boot-problems-with-zigbee-coordinator-plugged-in/100371 "2026-02-13T07:26:02Z")

</div>

I have already described my problem in the zigbee2mqtt forum, but there has been no response. So I'm trying here, because I assume that many people here have a similar setup (and in the end it is not a zigbee2mqtt relate…

---

## [Issue with node-red-node-pi-neopixel on CM4 / RPi4 with Debian Bookworm 64 Bit](https://discourse.nodered.org/t/issue-with-node-red-node-pi-neopixel-on-cm4-rpi4-with-debian-bookworm-64-bit/97607)

<div class="topic-metadata">

**Author:** [@Flo](https://discourse.nodered.org/u/Flo)\
**Replies:** 7\
**Last updated:** [27 June 2025 17:27 UTC](https://discourse.nodered.org/t/issue-with-node-red-node-pi-neopixel-on-cm4-rpi4-with-debian-bookworm-64-bit/97607 "2025-06-27T17:27:58Z")

</div>

Hello, im new to NodeRed. have trouble to get the node-red-node-pi-neopixel node working. It was working fine with Debian Bullseye, but there I got issues with my Serial HAT, so I had to upgrade to a more recent kernel…

---

## [Raspberry Pi drops Wi-Fi while openig UI](https://discourse.nodered.org/t/raspberry-pi-drops-wi-fi-while-openig-ui/96931)

<div class="topic-metadata">

**Author:** [@kdpsz](https://discourse.nodered.org/u/kdpsz)\
**Replies:** 9\
**Last updated:** [18 May 2025 17:47 UTC](https://discourse.nodered.org/t/raspberry-pi-drops-wi-fi-while-openig-ui/96931 "2025-05-18T17:47:41Z")

</div>

Hi everyone, Unfortunately, I’ve encountered a rather annoying issue over the past few days. Everything was working fine until recently, but a few days ago, when I turned on the Pi in the morning and tried to open the U…

---

## [Node and Node-red run with many PIDs, and increasing swap memory usage](https://discourse.nodered.org/t/node-and-node-red-run-with-many-pids-and-increasing-swap-memory-usage/95500)

<div class="topic-metadata">

**Author:** [@IanH](https://discourse.nodered.org/u/IanH)\
**Replies:** 17\
**Last updated:** [24 February 2025 09:16 UTC](https://discourse.nodered.org/t/node-and-node-red-run-with-many-pids-and-increasing-swap-memory-usage/95500 "2025-02-24T09:16:28Z")

</div>

Raspi 3B+ running Buster + NR4.0.2, NodeJS 20.17, NPM 10.8.2 Main problem is the Dashboard gets increasingly sluggish over time including disconnects despite a running on a good network with very low latency. So I sta…

---

## [Is Node Red No Longer supporting Raspberry Pi](https://discourse.nodered.org/t/is-node-red-no-longer-supporting-raspberry-pi/95546)

<div class="topic-metadata">

**Author:** [@DeckerJS](https://discourse.nodered.org/u/DeckerJS)\
**Replies:** 12\
**Last updated:** [21 February 2025 19:25 UTC](https://discourse.nodered.org/t/is-node-red-no-longer-supporting-raspberry-pi/95546 "2025-02-21T19:25:32Z")

</div>

My last update of Node Red is 18.1.1, I can't update to 19.0.2 as it says its only for aarch64 or amd64 architectures. So is Node Red no longer supporting Raspberry Pi?

---

## [Using NodeRED with the Grove-Base-Hat for raspberry pi](https://discourse.nodered.org/t/using-nodered-with-the-grove-base-hat-for-raspberry-pi/93712)

<div class="topic-metadata">

**Author:** [@rajsiyer](https://discourse.nodered.org/u/rajsiyer)\
**Replies:** 10\
**Last updated:** [7 December 2024 04:58 UTC](https://discourse.nodered.org/t/using-nodered-with-the-grove-base-hat-for-raspberry-pi/93712 "2024-12-07T04:58:32Z")

</div>

Hi, I am new to both NodeRED and raspberry pi. I'd been reading the excellent book by Taiji Hagino. He uses the node-red-contrib-grove-base-hat. Despite installing it from the palette manager, I am not getting it right. …

---

## [Pi Keyboard in case of two Keyboards are mounted on Raspberry Pi](https://discourse.nodered.org/t/pi-keyboard-in-case-of-two-keyboards-are-mounted-on-raspberry-pi/92705)

<div class="topic-metadata">

**Author:** [@averino](https://discourse.nodered.org/u/averino)\
**Replies:** 3\
**Last updated:** [27 October 2024 09:17 UTC](https://discourse.nodered.org/t/pi-keyboard-in-case-of-two-keyboards-are-mounted-on-raspberry-pi/92705 "2024-10-27T09:17:02Z")

</div>

Hello, I'm Stuck ! My flow manage the input from two Keyboards (actually one is a real keyboard, the second one is a presenter that emulates a set of keyboard keys such ad "page up", "page down", etc). My flow work per…

---

## [How to reboot raspi from NR](https://discourse.nodered.org/t/how-to-reboot-raspi-from-nr/91254)

<div class="topic-metadata">

**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 8\
**Last updated:** [26 September 2024 20:10 UTC](https://discourse.nodered.org/t/how-to-reboot-raspi-from-nr/91254 "2024-09-26T20:10:39Z")

</div>

Hi! I have a raspi (Raspberry Pi 3 Model B Plus Rev 1.3, Debian Linux 12 says webmin) in my greenhouse running NR 4 locally. The pi is on my network using wifi. From time to time the pi loses the connection. I also have…

---

## [@iiot2k/node-red-gpiox / Raspberry Pi / "chip error"](https://discourse.nodered.org/t/iiot2k-node-red-gpiox-raspberry-pi-chip-error/91055)

<div class="topic-metadata">

**Author:** [@irotier](https://discourse.nodered.org/u/irotier)\
**Replies:** 3\
**Last updated:** [17 September 2024 20:48 UTC](https://discourse.nodered.org/t/iiot2k-node-red-gpiox-raspberry-pi-chip-error/91055 "2024-09-17T20:48:58Z")

</div>

I'm runnning Node-red on a Raspberry Pi 3b+ in 64 bit (Python 3.11.2). Because i have flickering in my LEDs with the onboard gpio-pwm-node, i tried node-red-gpiox by iiot2k. The Node worked perfectly fine, but as i playe…

---

## [Issue communicating over serial with Arduino](https://discourse.nodered.org/t/issue-communicating-over-serial-with-arduino/88895)

<div class="topic-metadata">

**Author:** [@RAMemory](https://discourse.nodered.org/u/RAMemory)\
**Replies:** 6\
**Last updated:** [26 June 2024 21:00 UTC](https://discourse.nodered.org/t/issue-communicating-over-serial-with-arduino/88895 "2024-06-26T21:00:14Z")

</div>

Hello, Hopefully this is ok to post here... I currently have node red running on a RPI 3B+ installed using the 'Venus OS Large image' from Victron (Camper van electrics). I want to be able to use an Arduino to do some w…

---

## [Node-red-node-pi-mcp3008 0.5.2](https://discourse.nodered.org/t/node-red-node-pi-mcp3008-0-5-2/87508)

<div class="topic-metadata">

**Author:** [@tky27nrt](https://discourse.nodered.org/u/tky27nrt)\
**Replies:** 9\
**Last updated:** [3 May 2024 16:34 UTC](https://discourse.nodered.org/t/node-red-node-pi-mcp3008-0-5-2/87508 "2024-05-03T16:34:43Z")

</div>

That would be a rude question. It seems that the 0.5.2 version is not compatible with the Raspberry Pi 4 hardware. The node does not work. The node run on Raspberry Pi 3 hardware. Is there any plan to update this node…

---

## [Stuck! at Send multiple sensor data to a PSQL](https://discourse.nodered.org/t/stuck-at-send-multiple-sensor-data-to-a-psql/87338)

<div class="topic-metadata">

**Author:** [@RND\_NIM](https://discourse.nodered.org/u/RND_NIM)\
**Replies:** 6\
**Last updated:** [3 May 2024 08:17 UTC](https://discourse.nodered.org/t/stuck-at-send-multiple-sensor-data-to-a-psql/87338 "2024-05-03T08:17:49Z")

</div>

I am new to database and node-red. Here is my setup. Raspberry Pi 4 Raspbian OS Node-Red Pi plates - (THERMOplate) K-Type sensors Database - PSQL I have created a flow with one sensor output and it works and no errors…

---

## [Can Node-red force browser to reload the editor?](https://discourse.nodered.org/t/can-node-red-force-browser-to-reload-the-editor/87621)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 5\
**Last updated:** [1 May 2024 21:09 UTC](https://discourse.nodered.org/t/can-node-red-force-browser-to-reload-the-editor/87621 "2024-05-01T21:09:15Z")

</div>

On the Raspberry Pi you can turn on the read-only overlay filesystem by editing /boot/firmware/cmdline.txt and rebooting, easy enough with exec nodes. I show the readonly status of the Pi in the editor header, eg or …

---

## [Raspberry pi4 rpi-gpio.status.not-available using HC-SR04 pisrf library](https://discourse.nodered.org/t/raspberry-pi4-rpi-gpio-status-not-available-using-hc-sr04-pisrf-library/87100)

<div class="topic-metadata">

**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 11\
**Last updated:** [10 April 2024 14:41 UTC](https://discourse.nodered.org/t/raspberry-pi4-rpi-gpio-status-not-available-using-hc-sr04-pisrf-library/87100 "2024-04-10T14:41:25Z")

</div>

hi all, i'm trying using pisrf library in nodered to read the signal of ultrasonic sensor HC-SR04. I set the pin input but following error appears: rpi-gpio.status.not-available can someone help me? many thanks in ad…

---

## [The installation script has no output in raspberrypi](https://discourse.nodered.org/t/the-installation-script-has-no-output-in-raspberrypi/86803)

<div class="topic-metadata">

**Author:** [@lmy235638](https://discourse.nodered.org/u/lmy235638)\
**Replies:** 6\
**Last updated:** [27 March 2024 13:47 UTC](https://discourse.nodered.org/t/the-installation-script-has-no-output-in-raspberrypi/86803 "2024-03-27T13:47:52Z")

</div>

Hi, I tried installing nodered locally on my new raspberry pi 4B and the provided Github install script does not work.I followed the official docs,make sure git curl build-essential works successfully.But when I ran the …

---

## [Raspberry Pi 5 Support Coming?](https://discourse.nodered.org/t/raspberry-pi-5-support-coming/86546)

<div class="topic-metadata">

**Author:** [@moose](https://discourse.nodered.org/u/moose)\
**Replies:** 20\
**Last updated:** [24 March 2024 16:58 UTC](https://discourse.nodered.org/t/raspberry-pi-5-support-coming/86546 "2024-03-24T16:58:44Z")

</div>

I am going to be using a Hubitat C8 to manage some automation for an external building, and from reading their forums, many people recommend Node-RED as the backbone to their system for continuity and easily setting up w…

---

## [Writing to a Flash Drive located on a Raspi](https://discourse.nodered.org/t/writing-to-a-flash-drive-located-on-a-raspi/85681)

<div class="topic-metadata">

**Author:** [@hotdog](https://discourse.nodered.org/u/hotdog)\
**Replies:** 5\
**Last updated:** [21 February 2024 01:20 UTC](https://discourse.nodered.org/t/writing-to-a-flash-drive-located-on-a-raspi/85681 "2024-02-21T01:20:02Z")

</div>

I am trying to find a way to write to a usb device without specifying a local root directory. I found some information about using /dev/ttyUSB and /dev/pts/0, but when I attempt to implement that into my flow I am given …

---

## [Node-red & SQLite on a Pi Zero Two, read-only filesystem & automated db backups to another Pi](https://discourse.nodered.org/t/node-red-sqlite-on-a-pi-zero-two-read-only-filesystem-automated-db-backups-to-another-pi/85474)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 2\
**Last updated:** [13 February 2024 16:15 UTC](https://discourse.nodered.org/t/node-red-sqlite-on-a-pi-zero-two-read-only-filesystem-automated-db-backups-to-another-pi/85474 "2024-02-13T16:15:07Z")

</div>

I have used this flow to explore several ideas: SQLite and Node-red on a read-only filesystem. SSH connection using public/private keys. SSHFS to mount a directory on a remote device. A delay node as a simple SQL queue…

---

## [How to permanently display Node-RED dashboard](https://discourse.nodered.org/t/how-to-permanently-display-node-red-dashboard/85230)

<div class="topic-metadata">

**Author:** [@BrittW23](https://discourse.nodered.org/u/BrittW23)\
**Replies:** 4\
**Last updated:** [6 February 2024 03:20 UTC](https://discourse.nodered.org/t/how-to-permanently-display-node-red-dashboard/85230 "2024-02-06T03:20:18Z")

</div>

Hi! I am using Node-RED on a raspberry Pi with a small screen. I want to make it so the Node Red dashboard is the only thing that is displayed even when it is turned off and on again. Please let me know if this is possi…

---

## [Raspi Zero 2W GPIO](https://discourse.nodered.org/t/raspi-zero-2w-gpio/84484)

<div class="topic-metadata">

**Author:** [@BennyBarnes](https://discourse.nodered.org/u/BennyBarnes)\
**Replies:** 2\
**Last updated:** [11 January 2024 19:03 UTC](https://discourse.nodered.org/t/raspi-zero-2w-gpio/84484 "2024-01-11T19:03:53Z")

</div>

Raspi GPIOs unusable in up to date installation (Nodes say "not available") node red v3.1.3 running on bullseye Linux 6.1.21-v7+ #1642 SMP Mon Apr 3 17:20:52 BST 2023 armv7l GNU/Linux) on Raspi Zero 2W, Syslog leve…

---

## [Error 404 when trying to start Node-red-contrib-hue](https://discourse.nodered.org/t/error-404-when-trying-to-start-node-red-contrib-hue/83631)

<div class="topic-metadata">

**Author:** [@Kitten3002](https://discourse.nodered.org/u/Kitten3002)\
**Replies:** 8\
**Last updated:** [12 December 2023 11:28 UTC](https://discourse.nodered.org/t/error-404-when-trying-to-start-node-red-contrib-hue/83631 "2023-12-12T11:28:05Z")

</div>

Hey there im trying to connect knx and Phillps hue and everything were working well until i downloaded the palette Node-red-contrib-hue. then it stopped working. My node red is running on a raspberry pi 4 model B. and …

---

## [Newbie question](https://discourse.nodered.org/t/newbie-question/83176)

<div class="topic-metadata">

**Author:** [@mforbiz](https://discourse.nodered.org/u/mforbiz)\
**Replies:** 3\
**Last updated:** [25 November 2023 18:04 UTC](https://discourse.nodered.org/t/newbie-question/83176 "2023-11-25T18:04:40Z")

</div>

Hi. Before to start a learning path with Node-RED, I'd like to know if it may be useful to my needs. I'd like to create a BLE-MQTT gateway to install on Home Assistant that can act as a central device (BLE client) so t…

---

## [Sudo mount -a in exec node does not work under Bookworm](https://discourse.nodered.org/t/sudo-mount-a-in-exec-node-does-not-work-under-bookworm/82050)

<div class="topic-metadata">

**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 8\
**Last updated:** [15 October 2023 16:42 UTC](https://discourse.nodered.org/t/sudo-mount-a-in-exec-node-does-not-work-under-bookworm/82050 "2023-10-15T16:42:52Z")

</div>

I use this command before a backup of my setup, to make sure that they go to the backup location on my server, which is mounted as a directory under /home/pi, but not always does that on startup. But on one Pi that I hav…