# Hardware

**URL:** https://discourse.nodered.org/c/hardware/16.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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## [About the Hardware category](https://discourse.nodered.org/t/about-the-hardware-category/2887)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0

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Discussions around hardware-specific topics.

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## [Tuya-based sensors - is there a way to avoid the costly cloud API signup?](https://discourse.nodered.org/t/tuya-based-sensors-is-there-a-way-to-avoid-the-costly-cloud-api-signup/101666)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 12\
**Last updated:** [29 August 2026 15:05 UTC](https://discourse.nodered.org/t/tuya-based-sensors-is-there-a-way-to-avoid-the-costly-cloud-api-signup/101666 "2026-08-29T15:05:26Z")

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I swear that I'm never buying anything with the word "Tuya" on the pack ever again!! I purchased a couple of sensors to remotely monitor my Mum's old house while it was empty - we had to wait far too long for probate an…

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## [Zigbee IR blaster](https://discourse.nodered.org/t/zigbee-ir-blaster/101372)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 10\
**Last updated:** [5 August 2026 14:28 UTC](https://discourse.nodered.org/t/zigbee-ir-blaster/101372 "2026-08-05T14:28:00Z")

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I came across a battery powered IR blaster that works via zigbee2mqtt and exposes 6 binary buttons, pretty useful if you have IR devices that you want to control. I have a ceiling fan that uses IR, putting this thing at…

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## [Connecting Raspberry Pi DSI Display for Node-RED Dashboard / Local HMI](https://discourse.nodered.org/t/connecting-raspberry-pi-dsi-display-for-node-red-dashboard-local-hmi/101294)

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**Author:** [@Laakso](https://discourse.nodered.org/u/Laakso)\
**Replies:** 1\
**Last updated:** [17 June 2026 12:38 UTC](https://discourse.nodered.org/t/connecting-raspberry-pi-dsi-display-for-node-red-dashboard-local-hmi/101294 "2026-06-17T12:38:28Z")

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Hi everyone, Many of us run Node-RED on a Raspberry Pi for IoT projects, home automation, or industrial monitoring. While the web-based Dashboard is great, having a dedicated local touchscreen can make the system much m…

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## [Modbus RTU transparent proxy](https://discourse.nodered.org/t/modbus-rtu-transparent-proxy/101147)

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**Author:** [@RobStockley](https://discourse.nodered.org/u/RobStockley)\
**Replies:** 3\
**Last updated:** [30 May 2026 00:14 UTC](https://discourse.nodered.org/t/modbus-rtu-transparent-proxy/101147 "2026-05-30T00:14:19Z")

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Does anyone here have an example, or can put me in touch with someone, with a working example of Modbus RTU transparent proxy using RPi and Node-Red? I'd like to monitor RS485 metering data. Increased latency will not be…

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## [JetKVM remote access](https://discourse.nodered.org/t/jetkvm-remote-access/100617)

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**Author:** [@E1cid](https://discourse.nodered.org/u/E1cid)\
**Replies:** 1\
**Last updated:** [21 March 2026 15:05 UTC](https://discourse.nodered.org/t/jetkvm-remote-access/100617 "2026-03-21T15:05:47Z")

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Just ordered one of these, looks like a great choice for remote access to my server. At a low cost of £73 Inc delivery. Here is a good review of the system and features.

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## [How to manage the control of a contactor with self-holding using a DHT22 probe](https://discourse.nodered.org/t/how-to-manage-the-control-of-a-contactor-with-self-holding-using-a-dht22-probe/100457)

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**Author:** [@Manulus](https://discourse.nodered.org/u/Manulus)\
**Replies:** 19\
**Last updated:** [10 March 2026 20:39 UTC](https://discourse.nodered.org/t/how-to-manage-the-control-of-a-contactor-with-self-holding-using-a-dht22-probe/100457 "2026-03-10T20:39:20Z")

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Hello; I'm testing this project on my Raspberry Pi 3B: https://pexpeppers.com/blogs/pepper-growing/diy-greenhouse-control It's thanks to this project that I discovered the power of Node-RED. This project works very well…

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## [Z-wave Android and Node-red](https://discourse.nodered.org/t/z-wave-android-and-node-red/100430)

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**Author:** [@E1cid](https://discourse.nodered.org/u/E1cid)\
**Replies:** 1\
**Last updated:** [21 February 2026 17:30 UTC](https://discourse.nodered.org/t/z-wave-android-and-node-red/100430 "2026-02-21T17:30:34Z")

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Had a few failed z-wave devices, replacement no longer compatible with Old Legacy Vera Plus controller. I have therefore taken the plunge and decided to move all into Node-red amd Zwave-js. I hear there will be a break…

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## [On linux, node red server access a tty device for no reason](https://discourse.nodered.org/t/on-linux-node-red-server-access-a-tty-device-for-no-reason/100380)

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**Author:** [@phil12345678910](https://discourse.nodered.org/u/phil12345678910)\
**Replies:** 4\
**Last updated:** [15 February 2026 11:37 UTC](https://discourse.nodered.org/t/on-linux-node-red-server-access-a-tty-device-for-no-reason/100380 "2026-02-15T11:37:19Z")

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Hi, my installed node red server interfere with a /dev/ttyUSB0 device and I dont want that how can I tell nodered server to leave that device alone ? it is a freshly plugged device and I never configured into nodered …

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## [Analog sensor -\> ESP Home -\> MQTT -\> Node Red](https://discourse.nodered.org/t/analog-sensor-esp-home-mqtt-node-red/100374)

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**Author:** [@Elindo586](https://discourse.nodered.org/u/Elindo586)\
**Replies:** 3\
**Last updated:** [13 February 2026 22:28 UTC](https://discourse.nodered.org/t/analog-sensor-esp-home-mqtt-node-red/100374 "2026-02-13T22:28:45Z")

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Hello!!! Would anybody have any experience / recommendation for an I/O device that can handle analog sensors? The setup I would like.. so far I think.. would be kind of like this: Analog sensor -\> I/O device to config…

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## [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)

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**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")

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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…

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## [Pi life expectancy](https://discourse.nodered.org/t/pi-life-expectancy/99366)

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**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 43\
**Last updated:** [9 February 2026 20:51 UTC](https://discourse.nodered.org/t/pi-life-expectancy/99366 "2026-02-09T20:51:47Z")

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Bought a pi4 when they where first available, I'm guessing at least 4 years probably more. It runs, or ran 24/7 flawlessly till about 3 months ago when things went wonky. After troubleshooting off and on i finally came …

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## [How to hardwire different voltages to a rasberrypi](https://discourse.nodered.org/t/how-to-hardwire-different-voltages-to-a-rasberrypi/100272)

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**Author:** [@Elindo586](https://discourse.nodered.org/u/Elindo586)\
**Replies:** 5\
**Last updated:** [29 January 2026 17:22 UTC](https://discourse.nodered.org/t/how-to-hardwire-different-voltages-to-a-rasberrypi/100272 "2026-01-29T17:22:30Z")

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Common voltages could be: 120vac, 220vac, 24vdc, 12vdc ^^ so how could I connect this voltage safely to a rasberrypi to use the I/Os to run Node-RED? Apparently there are some devices with names like: Solid State Rel…

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## [This deserves public opinion (Flying CCTV)](https://discourse.nodered.org/t/this-deserves-public-opinion-flying-cctv/100139)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 12\
**Last updated:** [11 January 2026 21:22 UTC](https://discourse.nodered.org/t/this-deserves-public-opinion-flying-cctv/100139 "2026-01-11T21:22:27Z")

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(I usually post these things elsewhere) A “Security Camera” device by a reputable company (Ring). That you actually fly like a drone around the home. Site Video I use ring products (but not their servic…

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## [Switching high voltage applications on different electricity supplies](https://discourse.nodered.org/t/switching-high-voltage-applications-on-different-electricity-supplies/100081)

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**Author:** [@no\_mpimpi](https://discourse.nodered.org/u/no_mpimpi)\
**Replies:** 2\
**Last updated:** [4 January 2026 10:52 UTC](https://discourse.nodered.org/t/switching-high-voltage-applications-on-different-electricity-supplies/100081 "2026-01-04T10:52:31Z")

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Hi all, I need some advice. We live largely off grid, using a Victron inverter. We still have a connection to the grid, but we only flip that breaker up during long periods of wet weather when the solar hasn't charged …

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## [Raspberry pi 5 GPIO, I2C, SPI](https://discourse.nodered.org/t/raspberry-pi-5-gpio-i2c-spi/100030)

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**Author:** [@adk\_MechETech](https://discourse.nodered.org/u/adk_MechETech)\
**Replies:** 5\
**Last updated:** [30 December 2025 22:22 UTC](https://discourse.nodered.org/t/raspberry-pi-5-gpio-i2c-spi/100030 "2025-12-30T22:22:53Z")

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I have been using my best google-fu to figure out WTF is going on with Node-Red and the RPI5 GPIO. I have found several references to various libraries and dependencies and some Nodes that appear to do what I want. Som…

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## [Rpi5 16GB, PiOS/Debian 13 (Trixie), NodeRED 4.1.1, GPIO, i2c ... any appetite?](https://discourse.nodered.org/t/rpi5-16gb-pios-debian-13-trixie-nodered-4-1-1-gpio-i2c-any-appetite/99565)

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**Author:** [@SonoraTechnical](https://discourse.nodered.org/u/SonoraTechnical)\
**Replies:** 16\
**Last updated:** [9 November 2025 02:45 UTC](https://discourse.nodered.org/t/rpi5-16gb-pios-debian-13-trixie-nodered-4-1-1-gpio-i2c-any-appetite/99565 "2025-11-09T02:45:51Z")

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I noticed that the Setup of NodeRED on Raspberry Pi still recommends BullsEye (Debain/PiOS 11). Pi ecosystem has moved on to BookWorm (12) and now Trixie (13). These OSes take advantage of new southbridge comm chip on …

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## [HA from LinknLink on Android box](https://discourse.nodered.org/t/ha-from-linknlink-on-android-box/99445)

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**Author:** [@E1cid](https://discourse.nodered.org/u/E1cid)\
**Replies:** 0\
**Last updated:** [18 October 2025 15:01 UTC](https://discourse.nodered.org/t/ha-from-linknlink-on-android-box/99445 "2025-10-18T15:01:29Z")

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Home Assistant at a reasonable price, should be powerful enough to run Node-red to. Thought i would post it for others

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## [New Arduino SBC from the Qualcomm buyout - Arduino Uno Q](https://discourse.nodered.org/t/new-arduino-sbc-from-the-qualcomm-buyout-arduino-uno-q/99354)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 7\
**Last updated:** [15 October 2025 19:21 UTC](https://discourse.nodered.org/t/new-arduino-sbc-from-the-qualcomm-buyout-arduino-uno-q/99354 "2025-10-15T19:21:05Z")

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Be interesting to see what it costs, could be great for Node-RED.

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## [Create backup SD card for Raspberry PI used only for dedicated Nodered application](https://discourse.nodered.org/t/create-backup-sd-card-for-raspberry-pi-used-only-for-dedicated-nodered-application/99135)

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**Author:** [@invictagunner](https://discourse.nodered.org/u/invictagunner)\
**Replies:** 11\
**Last updated:** [29 September 2025 15:04 UTC](https://discourse.nodered.org/t/create-backup-sd-card-for-raspberry-pi-used-only-for-dedicated-nodered-application/99135 "2025-09-29T15:04:39Z")

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I only use my Raspberry PI5 to run a Nodered home automation system. Now that the system is very stable I would like to create a backup sd card,.in case the sd card fails or becomes corrupted. I would prefer to create t…

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## [Problem: RPi + node-red-node-serialport + FTDI dropping complete TX Message randomly](https://discourse.nodered.org/t/problem-rpi-node-red-node-serialport-ftdi-dropping-complete-tx-message-randomly/99161)

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**Author:** [@syoma755](https://discourse.nodered.org/u/syoma755)\
**Replies:** 20\
**Last updated:** [26 September 2025 18:25 UTC](https://discourse.nodered.org/t/problem-rpi-node-red-node-serialport-ftdi-dropping-complete-tx-message-randomly/99161 "2025-09-26T18:25:00Z")

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Hi Forum. Sorry I don't know where to start, so trying here first. I have a Raspberry Pi 3 Model B using latest Raspberry Pi image and latest Node-red 4.1.0 with node-red-node-serialport connected via USB-serial FTDI FT…

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## [Sonoff S60ZBTPF](https://discourse.nodered.org/t/sonoff-s60zbtpf/99074)

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**Author:** [@Karl1](https://discourse.nodered.org/u/Karl1)\
**Replies:** 13\
**Last updated:** [18 September 2025 08:23 UTC](https://discourse.nodered.org/t/sonoff-s60zbtpf/99074 "2025-09-18T08:23:20Z")

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hey , i am new here and i already have a other problem. I have a powerplug Sonoff S60ZBTPF and i would like to retrieve the active power in W but i get no response out off it.What i am doing wrong?

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## [How to connect a bluetooth water meter to victron using Venus OS Large and Node Red](https://discourse.nodered.org/t/how-to-connect-a-bluetooth-water-meter-to-victron-using-venus-os-large-and-node-red/98911)

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**Author:** [@LoganT](https://discourse.nodered.org/u/LoganT)\
**Replies:** 2\
**Last updated:** [3 September 2025 09:04 UTC](https://discourse.nodered.org/t/how-to-connect-a-bluetooth-water-meter-to-victron-using-venus-os-large-and-node-red/98911 "2025-09-03T09:04:58Z")

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Hi Team, I have a victron system running Venus OS Large and therefore Node Red on my Cerbro GX. I have this old Topargee Bluetooth Water Tank Gauge called an eflow. Since it is bluetooth I was wondering if I can connect…

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## [ZWave isn't dead](https://discourse.nodered.org/t/zwave-isnt-dead/98456)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 0\
**Last updated:** [1 August 2025 20:48 UTC](https://discourse.nodered.org/t/zwave-isnt-dead/98456 "2025-08-01T20:48:53Z")

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Trust me! I was very lucky (and honoured) to be testing/debgguing this..... thing! It will be supported in my up coming Node RED Module release! V10 of my module has full support for it. that is all!

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## [Serial port in multithreaded flow - how would you solve it?](https://discourse.nodered.org/t/serial-port-in-multithreaded-flow-how-would-you-solve-it/98112)

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**Author:** [@syoma755](https://discourse.nodered.org/u/syoma755)\
**Replies:** 6\
**Last updated:** [13 July 2025 13:46 UTC](https://discourse.nodered.org/t/serial-port-in-multithreaded-flow-how-would-you-solve-it/98112 "2025-07-13T13:46:09Z")

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Hi there I'm currently designing a flow where a serial port is used and need some hint: Serial port is natively a single-threaded thing - e.g. only one character can be sent a a time and the same is for reception. In m…

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## [Seeking advice on flat fresnel lenses for PIR sensors](https://discourse.nodered.org/t/seeking-advice-on-flat-fresnel-lenses-for-pir-sensors/97894)

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**Author:** [@no\_mpimpi](https://discourse.nodered.org/u/no_mpimpi)\
**Replies:** 8\
**Last updated:** [9 July 2025 06:13 UTC](https://discourse.nodered.org/t/seeking-advice-on-flat-fresnel-lenses-for-pir-sensors/97894 "2025-07-09T06:13:55Z")

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Hi all, I'm building a multi-sensor node, but I'm also trying to factor in Partner Approval. Thus it must look nice. I want to use a PIR sensor as well as mmwave, but PIR usually has a white domed fresnel lens, which h…

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## [Node Red for LPC17xxseries?](https://discourse.nodered.org/t/node-red-for-lpc17xxseries/97831)

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**Author:** [@Marzi](https://discourse.nodered.org/u/Marzi)\
**Replies:** 1\
**Last updated:** [29 June 2025 11:25 UTC](https://discourse.nodered.org/t/node-red-for-lpc17xxseries/97831 "2025-06-29T11:25:49Z")

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Hi Is it possible to use Node-RED for projects based on the LPC17xx series? I've previously used Cube Monitor (which is built on Node-RED) for ST-based projects, and it was a great experience for designing controllers.…

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## [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)

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**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")

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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…

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## [Clp siemens - node red](https://discourse.nodered.org/t/clp-siemens-node-red/97501)

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**Author:** [@WesleiRocha](https://discourse.nodered.org/u/WesleiRocha)\
**Replies:** 2\
**Last updated:** [9 June 2025 11:40 UTC](https://discourse.nodered.org/t/clp-siemens-node-red/97501 "2025-06-09T11:40:37Z")

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Estou tentando realizar a conexão entre o clp siemens e o node red, no entanto, está aparecendo essa seguinte frase: Error: PLC error \[0x8104\]: This service is not implemented on the module or a frame error was reported …

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## [Control a smart outlet using bluetooth?](https://discourse.nodered.org/t/control-a-smart-outlet-using-bluetooth/96572)

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**Author:** [@CandleTiger](https://discourse.nodered.org/u/CandleTiger)\
**Replies:** 7\
**Last updated:** [1 May 2025 18:13 UTC](https://discourse.nodered.org/t/control-a-smart-outlet-using-bluetooth/96572 "2025-05-01T18:13:41Z")

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I want to use Node-RED on my victron Cerbo GX to control a smart outlet (for a dump load when my batteries are full) Using hard-wired relays etc. is too much work in my case, I want to go with a remote controlled outlet…

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