# Hardware

**URL:** https://discourse.nodered.org/c/hardware/16.md?page=7

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

**Page:** 8

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## [HID Joystick / Gamepad inputs](https://discourse.nodered.org/t/hid-joystick-gamepad-inputs/62748)

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**Author:** [@MDAR](https://discourse.nodered.org/u/MDAR)\
**Replies:** 10\
**Last updated:** [20 May 2022 16:53 UTC](https://discourse.nodered.org/t/hid-joystick-gamepad-inputs/62748 "2022-05-20T16:53:34Z")

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Hi everyone I've spent a few days looking around for a HID / Joystick / Gamepad input solution for a Linux Debian based system. There is a kind of joystick emulator for the dashboard, but that doesn't work well on a mo…

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## [Using zigbee protocol to read/write values to rpi via node-red setup?](https://discourse.nodered.org/t/using-zigbee-protocol-to-read-write-values-to-rpi-via-node-red-setup/62571)

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**Author:** [@syma33](https://discourse.nodered.org/u/syma33)\
**Replies:** 2\
**Last updated:** [12 May 2022 19:33 UTC](https://discourse.nodered.org/t/using-zigbee-protocol-to-read-write-values-to-rpi-via-node-red-setup/62571 "2022-05-12T19:33:58Z")

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I got a CC2531 lying around somewhere and thinking to connect multiple analog/digital sensors to rpi and use node-red to communicate to my zigbee-gateway/network using the CC2531, it should be possible but... anyone trie…

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## [Oh dear! Another IoT hardware collapse](https://discourse.nodered.org/t/oh-dear-another-iot-hardware-collapse/61654)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 10\
**Last updated:** [3 May 2022 21:49 UTC](https://discourse.nodered.org/t/oh-dear-another-iot-hardware-collapse/61654 "2022-05-03T21:49:02Z")

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## [Nest Learning Thermostat](https://discourse.nodered.org/t/nest-learning-thermostat/61824)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 5\
**Last updated:** [28 April 2022 07:31 UTC](https://discourse.nodered.org/t/nest-learning-thermostat/61824 "2022-04-28T07:31:52Z")

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I unboxed a Nest Learning Thermostat today, and not even wired it up yet, but already thinking about how I can integrate it into my node-RED flows :thinking: Anyone else using this thermostat?

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## [74HC595 - shift register - how to use on node-red](https://discourse.nodered.org/t/74hc595-shift-register-how-to-use-on-node-red/61568)

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**Author:** [@ciropaes](https://discourse.nodered.org/u/ciropaes)\
**Replies:** 9\
**Last updated:** [27 April 2022 15:34 UTC](https://discourse.nodered.org/t/74hc595-shift-register-how-to-use-on-node-red/61568 "2022-04-27T15:34:09Z")

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could you guide me how should I work using 74HC595 on node-red installed on a raspberry pi 3?

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## [UK dual-gang smart socket (zigbee)](https://discourse.nodered.org/t/uk-dual-gang-smart-socket-zigbee/61492)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 1\
**Last updated:** [19 April 2022 12:07 UTC](https://discourse.nodered.org/t/uk-dual-gang-smart-socket-zigbee/61492 "2022-04-19T12:07:52Z")

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This looks interesting. Seems like a reasonable price too at £29 incl. VAT. And seems to be compatible with Zigbee2mqtt.

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## [Precise timing problem](https://discourse.nodered.org/t/precise-timing-problem/59696)

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**Author:** [@Jay1234](https://discourse.nodered.org/u/Jay1234)\
**Replies:** 7\
**Last updated:** [16 April 2022 19:59 UTC](https://discourse.nodered.org/t/precise-timing-problem/59696 "2022-04-16T19:59:16Z")

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Hello! I am using NR to help control my astrophotography barn door star tracker. The set up currently consist of a RPi 3b running astroberry that's controlling a 28byj48 stepper motor. I'm having issues with timing acc…

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## [How to control Waveshare motor driver hat?](https://discourse.nodered.org/t/how-to-control-waveshare-motor-driver-hat/61231)

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**Author:** [@dvovla](https://discourse.nodered.org/u/dvovla)\
**Replies:** 1\
**Last updated:** [13 April 2022 11:27 UTC](https://discourse.nodered.org/t/how-to-control-waveshare-motor-driver-hat/61231 "2022-04-13T11:27:20Z")

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Does anyone know how to control this hat from nodered? Thanks

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## [MQTT Smart Socket?](https://discourse.nodered.org/t/mqtt-smart-socket/58169)

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**Author:** [@MakerMan](https://discourse.nodered.org/u/MakerMan)\
**Replies:** 12\
**Last updated:** [13 April 2022 10:40 UTC](https://discourse.nodered.org/t/mqtt-smart-socket/58169 "2022-04-13T10:40:38Z")

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I am looking for a smart socket that will connect to a third party WiFi network and which can be configured to connect to my MQTT broker (at a fixed public IP address). I want to be able to turn this on and off with MQT…

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## [Flexible and decent smart radiator TRV (UK)?](https://discourse.nodered.org/t/flexible-and-decent-smart-radiator-trv-uk/60438)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 8\
**Last updated:** [11 April 2022 21:46 UTC](https://discourse.nodered.org/t/flexible-and-decent-smart-radiator-trv-uk/60438 "2022-04-11T21:46:26Z")

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This isn't really Node-RED related, but I wanted to ask here as I know you are all on the same wavelength! I'm looking for a couple of Smart TRVs (radiator valves), ideally: zigbee or RF but something I can interface…

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## [pic 18f4550 e nokia 5110](https://discourse.nodered.org/t/pic-18f4550-e-nokia-5110/61056)

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**Author:** [@Henry1989](https://discourse.nodered.org/u/Henry1989)\
**Replies:** 2\
**Last updated:** [10 April 2022 13:44 UTC](https://discourse.nodered.org/t/pic-18f4550-e-nokia-5110/61056 "2022-04-10T13:44:05Z")

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mikroc for pic does anyone have an example of pic 18f4550 and Nokia 5110 communication using SPI no library use thankful

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## [Sharing experiences about affordable ip camera's](https://discourse.nodered.org/t/sharing-experiences-about-affordable-ip-cameras/57485)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 69\
**Last updated:** [20 March 2022 14:23 UTC](https://discourse.nodered.org/t/sharing-experiences-about-affordable-ip-cameras/57485 "2022-03-20T14:23:59Z")

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Hi folks, It is my birthday soon, so relatives start asking me which presents I want. Would like to buy some IP camera's to protect my little kingdom, but there are so many of them. Mission impossible to find one that…

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## [What spec server would i need for my business](https://discourse.nodered.org/t/what-spec-server-would-i-need-for-my-business/59678)

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**Author:** [@dezire](https://discourse.nodered.org/u/dezire)\
**Replies:** 4\
**Last updated:** [11 March 2022 10:27 UTC](https://discourse.nodered.org/t/what-spec-server-would-i-need-for-my-business/59678 "2022-03-11T10:27:59Z")

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I am planning to use node red docker container for production. What spec server should i expect to run 100 node red container?

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## [Use a POE switch to power ESP32 wired](https://discourse.nodered.org/t/use-a-poe-switch-to-power-esp32-wired/58696)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 29\
**Last updated:** [8 March 2022 20:14 UTC](https://discourse.nodered.org/t/use-a-poe-switch-to-power-esp32-wired/58696 "2022-03-08T20:14:55Z")

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Hi folks, @dynamicdave and @zenofmud have been helping me tremendously to get up and running with EspEasy on Wemo D1 mini devices :pray: So I have a couple of those running already via WIFI. Works very nice! But now …

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## [Could someone please tell me if they can get this node installed and fully working?](https://discourse.nodered.org/t/could-someone-please-tell-me-if-they-can-get-this-node-installed-and-fully-working/58848)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 31\
**Last updated:** [8 March 2022 00:05 UTC](https://discourse.nodered.org/t/could-someone-please-tell-me-if-they-can-get-this-node-installed-and-fully-working/58848 "2022-03-08T00:05:55Z")

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I feel I have to ask. I am really not getting anywhere and am starting to clutch at straws to find out why it won't work now. Node: node-red-node-pi-neopixel I am installing it from the CLI and it is complaining that…

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## [Alarm Clock Home Assistant Esp8266](https://discourse.nodered.org/t/alarm-clock-home-assistant-esp8266/59049)

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**Author:** [@Techttv](https://discourse.nodered.org/u/Techttv)\
**Replies:** 2\
**Last updated:** [27 February 2022 12:42 UTC](https://discourse.nodered.org/t/alarm-clock-home-assistant-esp8266/59049 "2022-02-27T12:42:12Z")

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Hi, I know this is a big project but I want to try. I'd like to do a panel on Home Assistant to set an alarm clock. When it's time nodered send a command to my esp8266 which ring and print on the LCD the name of the alar…

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## [Unable to use x728 hardware safe shutdown/reboot button while Node.red is running](https://discourse.nodered.org/t/unable-to-use-x728-hardware-safe-shutdown-reboot-button-while-node-red-is-running/58336)

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**Author:** [@sim](https://discourse.nodered.org/u/sim)\
**Replies:** 2\
**Last updated:** [15 February 2022 21:16 UTC](https://discourse.nodered.org/t/unable-to-use-x728-hardware-safe-shutdown-reboot-button-while-node-red-is-running/58336 "2022-02-15T21:16:13Z")

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I am running a Raspberry Pi 3B+ with Buster and I have an x728 UPS for battery backup and it has a button for safe shutdown and reboot. Works fine. However , when I run Node.red this button does not work anymore. It bli…

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## [Neopixel not working. (I've done my homework this time)](https://discourse.nodered.org/t/neopixel-not-working-ive-done-my-homework-this-time/57894)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 27\
**Last updated:** [12 February 2022 09:17 UTC](https://discourse.nodered.org/t/neopixel-not-working-ive-done-my-homework-this-time/57894 "2022-02-12T09:17:56Z")

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I've done the extra install of the other stuff needed: The Neopixel python driver need to be pre-installed... The easiest way to get the driver installed is to use the Unicorn HAT drivers install script... see the Pimor…

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## [Ways to power a large series of Wemos D1 mini boards](https://discourse.nodered.org/t/ways-to-power-a-large-series-of-wemos-d1-mini-boards/57445)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 73\
**Last updated:** [8 February 2022 22:22 UTC](https://discourse.nodered.org/t/ways-to-power-a-large-series-of-wemos-d1-mini-boards/57445 "2022-02-08T22:22:37Z")

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Hi folks, Some members of the community have guided me through the decision tree for buying my first wemo D1 mini boards. I am now wondering what is the best way to power them. I have to install LOTs of these little b…

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## [Issues getting an Adafruit BME280 to init with Raspi Zero, Dietpi node-red-contrib-bme280](https://discourse.nodered.org/t/issues-getting-an-adafruit-bme280-to-init-with-raspi-zero-dietpi-node-red-contrib-bme280/18252)

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**Author:** [@NastySpill](https://discourse.nodered.org/u/NastySpill)\
**Replies:** 2\
**Last updated:** [8 February 2022 19:37 UTC](https://discourse.nodered.org/t/issues-getting-an-adafruit-bme280-to-init-with-raspi-zero-dietpi-node-red-contrib-bme280/18252 "2022-02-08T19:37:40Z")

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Hi All, I'm a newbie in node red and the linux environment. I am persisting through a few configuration issues to learn this world as its blown me away with the possibilities and level of development. After 4 days on a…

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## [Reading analog gauge values in NodeRED](https://discourse.nodered.org/t/reading-analog-gauge-values-in-nodered/57779)

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**Author:** [@wolfred](https://discourse.nodered.org/u/wolfred)\
**Replies:** 3\
**Last updated:** [4 February 2022 18:02 UTC](https://discourse.nodered.org/t/reading-analog-gauge-values-in-nodered/57779 "2022-02-04T18:02:49Z")

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I need to get the numeric value every 5 minutes from an analog gauge. The gauge looks like this: I looked in this topic some years ago and asked a question on Stack Exchange: image recognition - Reading a value of a r…

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## [Water pressure sensor for central heating](https://discourse.nodered.org/t/water-pressure-sensor-for-central-heating/57045)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 45\
**Last updated:** [4 February 2022 17:34 UTC](https://discourse.nodered.org/t/water-pressure-sensor-for-central-heating/57045 "2022-02-04T17:34:17Z")

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Hi folks, Had some damage yesterday on my central heating system. Could have prevented that by checking my water pressure more often, but you know how does things go... Currently I have this: To keep an eye on this…

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## [Best way to backup/ restore RPi SD-Card?](https://discourse.nodered.org/t/best-way-to-backup-restore-rpi-sd-card/57539)

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**Author:** [@nico25](https://discourse.nodered.org/u/nico25)\
**Replies:** 3\
**Last updated:** [31 January 2022 11:47 UTC](https://discourse.nodered.org/t/best-way-to-backup-restore-rpi-sd-card/57539 "2022-01-31T11:47:48Z")

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I am using a 32GB SD-Card for my Raspberry. Creating backups and resorting them using Win32DiskImager works fine. If I want to clone that image to a different SD-Card it doesn´t necessarily have the same amount of secto…

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## [Possibility to measure water hardness](https://discourse.nodered.org/t/possibility-to-measure-water-hardness/57454)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 23\
**Last updated:** [30 January 2022 01:52 UTC](https://discourse.nodered.org/t/possibility-to-measure-water-hardness/57454 "2022-01-30T01:52:39Z")

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Hi folks, Don't know what I did wrong in my previous life, but it must be something very bad... Got LOTs of troubles with my heating system last week, and seems a lot of it was caused because my water descaler device (…

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## [Wemo d1 mini with wired ethernet](https://discourse.nodered.org/t/wemo-d1-mini-with-wired-ethernet/57447)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 3\
**Last updated:** [29 January 2022 20:50 UTC](https://discourse.nodered.org/t/wemo-d1-mini-with-wired-ethernet/57447 "2022-01-29T20:50:23Z")

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Hi folks, Based on another discussion, I decided this morning to that I will start discovering the wemo d1 mini devices. Most of them will be wired, however some of them need to have a wired ethernet connection (due t…

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## [New Zigbee dongle](https://discourse.nodered.org/t/new-zigbee-dongle/54673)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 55\
**Last updated:** [15 January 2022 21:01 UTC](https://discourse.nodered.org/t/new-zigbee-dongle/54673 "2022-01-15T21:01:37Z")

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Does anyone familiar with Zigbee have an opinion about this?

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## [Read data from any rs232 using the usb device res](https://discourse.nodered.org/t/read-data-from-any-rs232-using-the-usb-device-res/56659)

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**Author:** [@iSssou.re](https://discourse.nodered.org/u/iSssou.re)\
**Replies:** 2\
**Last updated:** [14 January 2022 20:57 UTC](https://discourse.nodered.org/t/read-data-from-any-rs232-using-the-usb-device-res/56659 "2022-01-14T20:57:12Z")

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sorry for the destrube but yes if fi plug my cable out the data stop shwing up and i did all what is in the datasheet by confuguring my indicator as they said

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## [Read data from any rs232 using the usb device](https://discourse.nodered.org/t/read-data-from-any-rs232-using-the-usb-device/56552)

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**Author:** [@iSssou.re](https://discourse.nodered.org/u/iSssou.re)\
**Replies:** 16\
**Last updated:** [14 January 2022 14:25 UTC](https://discourse.nodered.org/t/read-data-from-any-rs232-using-the-usb-device/56552 "2022-01-14T14:25:18Z")

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Hi everyone , I am trying to read data from a weigh scale. The scale wont show any value i used VB.net and C# with all functions but still confused why ? do i have to configure my scale weight indicator ? if yes help …

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## [Communicate with OMRON PLC using peripheral port? (USB B type)](https://discourse.nodered.org/t/communicate-with-omron-plc-using-peripheral-port-usb-b-type/50848)

<div class="topic-metadata">

**Author:** [@Vanj](https://discourse.nodered.org/u/Vanj)\
**Replies:** 4\
**Last updated:** [9 January 2022 16:18 UTC](https://discourse.nodered.org/t/communicate-with-omron-plc-using-peripheral-port-usb-b-type/50848 "2022-01-09T16:18:43Z")

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Hello, Good day! I want to ask if possible to use peripheral port(USB type B) as communication to read and write data in PLC? I have this CJ2M CPU11 PLC, the ports available are 1 RS232C (connected to HMI) and 1 periph…

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## [TCP Relay acknowledge](https://discourse.nodered.org/t/tcp-relay-acknowledge/55714)

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**Author:** [@Nettuno](https://discourse.nodered.org/u/Nettuno)\
**Replies:** 6\
**Last updated:** [27 December 2021 10:48 UTC](https://discourse.nodered.org/t/tcp-relay-acknowledge/55714 "2021-12-27T10:48:53Z")

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Hi, I'm controlling a ESP8266 4 channel relay remotely via MQTT like this: DC 12V ESP8266 WIFI 4-Channel Relay Module Remote Control Switch Wireless Transmitter For Smart Home All fine when sending ON and OFF commands t…

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