# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=823

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

**Page:** 824

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## [Palette Export or Backup](https://discourse.nodered.org/t/palette-export-or-backup/18364)

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**Author:** [@valbuz](https://discourse.nodered.org/u/valbuz)\
**Replies:** 3\
**Last updated:** [24 November 2019 22:28 UTC](https://discourse.nodered.org/t/palette-export-or-backup/18364 "2019-11-24T22:28:03Z")

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Hi is there a way to Backup/Export all the installed Palette's? thanks pat

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## [Line Chart X-axis Label Format](https://discourse.nodered.org/t/line-chart-x-axis-label-format/18284)

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**Author:** [@baqwas](https://discourse.nodered.org/u/baqwas)\
**Replies:** 12\
**Last updated:** [24 November 2019 18:39 UTC](https://discourse.nodered.org/t/line-chart-x-axis-label-format/18284 "2019-11-24T18:39:47Z")

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Hello, Found a few threads on X-axis label format for the Line Chart but these were not exactly aligned to my needs or my understanding was constrained. The documentation states: The axis labels can be formatted using…

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## [Lcd Display in raspberry pi](https://discourse.nodered.org/t/lcd-display-in-raspberry-pi/18348)

<div class="topic-metadata">

**Author:** [@Benazir](https://discourse.nodered.org/u/Benazir)\
**Replies:** 5\
**Last updated:** [24 November 2019 16:19 UTC](https://discourse.nodered.org/t/lcd-display-in-raspberry-pi/18348 "2019-11-24T16:19:35Z")

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I have connected the raspberry pi with LCD display through nodred function.. My LCD Display brightness is high so while displaying letters in lcd is not visible. How to get rid of this issue???? Please Help me to sort…

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## [Split Values from a Sensor](https://discourse.nodered.org/t/split-values-from-a-sensor/18329)

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**Author:** [@Mario](https://discourse.nodered.org/u/Mario)\
**Replies:** 6\
**Last updated:** [24 November 2019 13:43 UTC](https://discourse.nodered.org/t/split-values-from-a-sensor/18329 "2019-11-24T13:43:42Z")

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how can I split this string into the individual values? it's the payload from an zigbee sensor. it is certainly simple, but I do not know how it works. {"battery":100,"voltage":3055,"temperature":23.87,"humidity":80.1,…

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## [Node red with arduino + lcd keypad sheild](https://discourse.nodered.org/t/node-red-with-arduino-lcd-keypad-sheild/18281)

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**Author:** [@pranavthakkar](https://discourse.nodered.org/u/pranavthakkar)\
**Replies:** 1\
**Last updated:** [22 November 2019 14:21 UTC](https://discourse.nodered.org/t/node-red-with-arduino-lcd-keypad-sheild/18281 "2019-11-22T14:21:14Z")

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Hello there is there any node where i can print the character on LCD keypad shield which is mounted on arduino.

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## [Updating i2c LCD with On or off on Node Red](https://discourse.nodered.org/t/updating-i2c-lcd-with-on-or-off-on-node-red/18339)

<div class="topic-metadata">

**Author:** [@Inventrex3601](https://discourse.nodered.org/u/Inventrex3601)\
**Replies:** 1\
**Last updated:** [24 November 2019 11:44 UTC](https://discourse.nodered.org/t/updating-i2c-lcd-with-on-or-off-on-node-red/18339 "2019-11-24T11:44:55Z")

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Hi there, I am using the node LCD20x4-I2C, to create a status of what relay is on, from Node Red. Essentially how it goes is: Sensor \> Logic \> Relay 1 \> Relay 2 \> Switch Node \> Send Status \> ? \> LCD Updated with Statu…

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## [Bluetooth 3.0 connection to headset](https://discourse.nodered.org/t/bluetooth-3-0-connection-to-headset/17658)

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**Author:** [@VictorStela](https://discourse.nodered.org/u/VictorStela)\
**Replies:** 5\
**Last updated:** [24 November 2019 10:11 UTC](https://discourse.nodered.org/t/bluetooth-3-0-connection-to-headset/17658 "2019-11-24T10:11:05Z")

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Hello!! I am developing a solution with node-red on a raspberry and I am testing the bluetooth connection to a headset, but I am unable to connect. My idea is to use the headset in conjunction with TTS and STT APIs. Do…

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## [Splitting hex value](https://discourse.nodered.org/t/splitting-hex-value/14757)

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**Author:** [@atomic10](https://discourse.nodered.org/u/atomic10)\
**Replies:** 7\
**Last updated:** [24 November 2019 09:26 UTC](https://discourse.nodered.org/t/splitting-hex-value/14757 "2019-11-24T09:26:59Z")

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Building an interface with a touchscreen from 4D Systems - in the documentation it states to write to a number on the screen, the value needs to be: Value(msb:lsb) This is the 2 byte value, Value(msb):Value(lsb), that …

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## [HowTo for fixed Issue Websocket & Proxy](https://discourse.nodered.org/t/howto-for-fixed-issue-websocket-proxy/18347)

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**Author:** [@theArcher73](https://discourse.nodered.org/u/theArcher73)\
**Replies:** 0\
**Last updated:** [24 November 2019 09:19 UTC](https://discourse.nodered.org/t/howto-for-fixed-issue-websocket-proxy/18347 "2019-11-24T09:19:48Z")

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Hello, I read in the latest release notes that proxy support was implemented for MQTT and Websocket nodes. Unfortunately I can't get this to work yet, is there a docu somewhere how to make the websocket node fly behind …

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## [Problems with the trigger node when switching from 1 to 0](https://discourse.nodered.org/t/problems-with-the-trigger-node-when-switching-from-1-to-0/18298)

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**Author:** [@seppel1078](https://discourse.nodered.org/u/seppel1078)\
**Replies:** 3\
**Last updated:** [24 November 2019 09:13 UTC](https://discourse.nodered.org/t/problems-with-the-trigger-node-when-switching-from-1-to-0/18298 "2019-11-24T09:13:56Z")

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Hi, I have a problem with the trigger node. If first a "1" is applied to the input and then a "0" then the trigger node makes the "0" again a "1" But I would like that if a "1" is applied to the input this is also 5 se…

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## [Trigger File from Noderedd](https://discourse.nodered.org/t/trigger-file-from-noderedd/18345)

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**Author:** [@Benazir](https://discourse.nodered.org/u/Benazir)\
**Replies:** 9\
**Last updated:** [24 November 2019 08:56 UTC](https://discourse.nodered.org/t/trigger-file-from-noderedd/18345 "2019-11-24T08:56:29Z")

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Hi all, I would like to trigger a command prompt script in raspberry pi using nodered flow...Is there any node available to trigger it??

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## [WIFI-Configuration](https://discourse.nodered.org/t/wifi-configuration/18189)

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**Author:** [@Benazir](https://discourse.nodered.org/u/Benazir)\
**Replies:** 8\
**Last updated:** [24 November 2019 08:18 UTC](https://discourse.nodered.org/t/wifi-configuration/18189 "2019-11-24T08:18:31Z")

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Hi, I would like to know is there any possibilities to change Wifi configuration file on raspberry pi from Node-red.

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## [Retweet possible with Twitter API node?](https://discourse.nodered.org/t/retweet-possible-with-twitter-api-node/18033)

<div class="topic-metadata">

**Author:** [@877](https://discourse.nodered.org/u/877)\
**Replies:** 3\
**Last updated:** [23 November 2019 21:10 UTC](https://discourse.nodered.org/t/retweet-possible-with-twitter-api-node/18033 "2019-11-23T21:10:09Z")

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I just started using the Twitter nodes by @knolleary and was wondering if it's possible to retweet? I'm talking a proper retweet and not a simple reposting of the original tweet. I checked on the Twitter API page and o…

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## [Getting metadata from an audio file](https://discourse.nodered.org/t/getting-metadata-from-an-audio-file/18328)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 2\
**Last updated:** [23 November 2019 19:05 UTC](https://discourse.nodered.org/t/getting-metadata-from-an-audio-file/18328 "2019-11-23T19:05:26Z")

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Has anyone any suggestions as to how I could scrape the metadata off of an audio file?? I was hoping the 'ffprobe' node would do what I want, but it just crashes my RPi.

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## [Wemos DS18b20 string](https://discourse.nodered.org/t/wemos-ds18b20-string/18291)

<div class="topic-metadata">

**Author:** [@MikeR](https://discourse.nodered.org/u/MikeR)\
**Replies:** 3\
**Last updated:** [23 November 2019 16:47 UTC](https://discourse.nodered.org/t/wemos-ds18b20-string/18291 "2019-11-23T16:47:42Z")

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I was using the above temp sensor with a Raspberry Pi to send the temperature of my fish tank to the dashboard. Now I want to use a Wemos running Tasmota to do the same thing. The sensor sends out the following data to …

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## [Oi! Alguém no grupo pode me dizer como posso obter dados do mysql? Eu só preciso traçar um gráfico xy, onde x é tempo e y é ativado e desativado. um e zero. Muito obrigado](https://discourse.nodered.org/t/oi-alguem-no-grupo-pode-me-dizer-como-posso-obter-dados-do-mysql-eu-so-preciso-tracar-um-grafico-xy-onde-x-e-tempo-e-y-e-ativado-e-desativado-um-e-zero-muito-obrigado/18301)

<div class="topic-metadata">

**Author:** [@Kelva123456](https://discourse.nodered.org/u/Kelva123456)\
**Replies:** 3\
**Last updated:** [23 November 2019 16:36 UTC](https://discourse.nodered.org/t/oi-alguem-no-grupo-pode-me-dizer-como-posso-obter-dados-do-mysql-eu-so-preciso-tracar-um-grafico-xy-onde-x-e-tempo-e-y-e-ativado-e-desativado-um-e-zero-muito-obrigado/18301 "2019-11-23T16:36:58Z")

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Oi! Alguém no grupo pode me dizer como posso obter dados do mysql? Eu só preciso traçar um gráfico xy, onde x é tempo e y é ativado e desativado. um e zero. Muito obrigado

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## [Node-red-node-mysql not behaving](https://discourse.nodered.org/t/node-red-node-mysql-not-behaving/18216)

<div class="topic-metadata">

**Author:** [@rewatkins114](https://discourse.nodered.org/u/rewatkins114)\
**Replies:** 7\
**Last updated:** [23 November 2019 16:10 UTC](https://discourse.nodered.org/t/node-red-node-mysql-not-behaving/18216 "2019-11-23T16:10:24Z")

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I installed node-red on a laptop running Ubuntu 18.04. It was installed from the Snap Store so I am not relly sure how to change settings.js. The flow goes like this: node-red-node-openweathermap 0.2.1 access Op…

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## [UI ip adress alternative](https://discourse.nodered.org/t/ui-ip-adress-alternative/18321)

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**Author:** [@matrixratrix](https://discourse.nodered.org/u/matrixratrix)\
**Replies:** 0\
**Last updated:** [23 November 2019 15:59 UTC](https://discourse.nodered.org/t/ui-ip-adress-alternative/18321 "2019-11-23T15:59:32Z")

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Hello, I have my rasperry with static ip set up ex: 192.168.1.234. The dashboard page is accessed by 192.168.1.234:1880/ui. Is there any way to use a different link (alias ) to access dashboard ? Like "mydash" on chr…

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## [Error: FSM Not Ready To Ready At State](https://discourse.nodered.org/t/error-fsm-not-ready-to-ready-at-state/18317)

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**Author:** [@tramanah](https://discourse.nodered.org/u/tramanah)\
**Replies:** 0\
**Last updated:** [23 November 2019 14:25 UTC](https://discourse.nodered.org/t/error-fsm-not-ready-to-ready-at-state/18317 "2019-11-23T14:25:31Z")

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Hi, just after i setup modbus communication and deployed.Even before i inject, the error message been through out continuously as in my attachment.

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## [Is msg.requestTimeout really overriding httpRequestTimeout in v1.0.2?](https://discourse.nodered.org/t/is-msg-requesttimeout-really-overriding-httprequesttimeout-in-v1-0-2/18310)

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**Author:** [@T0T4R4](https://discourse.nodered.org/u/T0T4R4)\
**Replies:** 0\
**Last updated:** [23 November 2019 13:31 UTC](https://discourse.nodered.org/t/is-msg-requesttimeout-really-overriding-httprequesttimeout-in-v1-0-2/18310 "2019-11-23T13:31:08Z")

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Could someone please confirm if this is the case ? I have set 5sec timeout in settings.js, and it seems that whatever the value I try to override it with by setting the msg.requestTimeout property before calling an http…

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## [Pull input data from template Node](https://discourse.nodered.org/t/pull-input-data-from-template-node/18309)

<div class="topic-metadata">

**Author:** [@Asaf\_Eliasim](https://discourse.nodered.org/u/Asaf_Eliasim)\
**Replies:** 3\
**Last updated:** [23 November 2019 13:29 UTC](https://discourse.nodered.org/t/pull-input-data-from-template-node/18309 "2019-11-23T13:29:06Z")

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I am trying to build a translate API. My project includes an HTML page with JQUERY functions from the visual code. I want to create an HTTP node that gets data from an input tag (string to translate in my page) and sen…

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## [Importiing Flow need position counter](https://discourse.nodered.org/t/importiing-flow-need-position-counter/18273)

<div class="topic-metadata">

**Author:** [@rewatkins114](https://discourse.nodered.org/u/rewatkins114)\
**Replies:** 4\
**Last updated:** [23 November 2019 05:05 UTC](https://discourse.nodered.org/t/importiing-flow-need-position-counter/18273 "2019-11-23T05:05:01Z")

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I have a flow with a syntax error. The error message gives me a position but I woould have to count characters to find. Its good to know where the error is. Would also be good to know where in the editor was. Ric…

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## [14 LED's with 8 colors . HELP](https://discourse.nodered.org/t/14-leds-with-8-colors-help/18288)

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**Author:** [@robbe](https://discourse.nodered.org/u/robbe)\
**Replies:** 1\
**Last updated:** [22 November 2019 22:05 UTC](https://discourse.nodered.org/t/14-leds-with-8-colors-help/18288 "2019-11-22T22:05:18Z")

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i want to use a numeric to change 8 diffrent colors and use 14 buttons to set 14 leds. But i m stuck because i m very new in node red can you suggest some Ideas.

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## [Adding session expiry for user using custom authentication](https://discourse.nodered.org/t/adding-session-expiry-for-user-using-custom-authentication/18266)

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**Author:** [@akvish](https://discourse.nodered.org/u/akvish)\
**Replies:** 1\
**Last updated:** [22 November 2019 17:39 UTC](https://discourse.nodered.org/t/adding-session-expiry-for-user-using-custom-authentication/18266 "2019-11-22T17:39:49Z")

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I have implemented a custom authentication for node red using user-authentication.js file and mentioned it inside the setting.js file. I used the below documentation page Securing Node Red It is working fine. Now I wan…

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## [Converting simple function to other nodes](https://discourse.nodered.org/t/converting-simple-function-to-other-nodes/18155)

<div class="topic-metadata">

**Author:** [@ygarti](https://discourse.nodered.org/u/ygarti)\
**Replies:** 11\
**Last updated:** [22 November 2019 14:02 UTC](https://discourse.nodered.org/t/converting-simple-function-to-other-nodes/18155 "2019-11-22T14:02:42Z")

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Hi All, I read online that you should always try to avoid use the function node i have a simple function node that i want to convert to other nodes but i am a noob in node red and don't have any idea how to convert th…

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## [Nodered direct integration with Grafana](https://discourse.nodered.org/t/nodered-direct-integration-with-grafana/18271)

<div class="topic-metadata">

**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 3\
**Last updated:** [22 November 2019 09:50 UTC](https://discourse.nodered.org/t/nodered-direct-integration-with-grafana/18271 "2019-11-22T09:50:43Z")

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I want errors of sql queries to the database to be visible in Grafana, for that i cannot use the database itself as it will be an erroneous circle. So is it possible to directly connect Nodered to Grafana?

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## [Ultrasonic Jsn-sr04t serial on node red, Help!](https://discourse.nodered.org/t/ultrasonic-jsn-sr04t-serial-on-node-red-help/18272)

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**Author:** [@Dave-Azcarate](https://discourse.nodered.org/u/Dave-Azcarate)\
**Replies:** 0\
**Last updated:** [22 November 2019 07:45 UTC](https://discourse.nodered.org/t/ultrasonic-jsn-sr04t-serial-on-node-red-help/18272 "2019-11-22T07:45:53Z")

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Hello, I'm new developing on node red, so I hope if anyone could help me, the problem is the next, I'm working on jsn-sr04t v2 via serial, so according to datasheet I have to work with hexadecimal to convert to milim…

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## [Node-red 怎么连接 onenet 获取dht11的数据](https://discourse.nodered.org/t/node-red-onenet-dht11/18258)

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**Author:** [@shj-123558](https://discourse.nodered.org/u/shj-123558)\
**Replies:** 1\
**Last updated:** [22 November 2019 04:52 UTC](https://discourse.nodered.org/t/node-red-onenet-dht11/18258 "2019-11-22T04:52:39Z")

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我想通过node-red读取dht11等传感器上传至onenet云端的数据，怎么做？

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## [How to put msg.payload value in html tag?](https://discourse.nodered.org/t/how-to-put-msg-payload-value-in-html-tag/18222)

<div class="topic-metadata">

**Author:** [@ECat](https://discourse.nodered.org/u/ECat)\
**Replies:** 8\
**Last updated:** [22 November 2019 02:01 UTC](https://discourse.nodered.org/t/how-to-put-msg-payload-value-in-html-tag/18222 "2019-11-22T02:01:49Z")

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Hi! I'm wondering how to put the value of msg.payload in the HTML TAG in node-red. What I want to do is put that value in a custom gauge. In the image below I want to put msg.payload instead of 80 for the data-percen…

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## [How to edit the function with the output of MQTT OUT](https://discourse.nodered.org/t/how-to-edit-the-function-with-the-output-of-mqtt-out/18256)

<div class="topic-metadata">

**Author:** [@molly](https://discourse.nodered.org/u/molly)\
**Replies:** 0\
**Last updated:** [22 November 2019 00:14 UTC](https://discourse.nodered.org/t/how-to-edit-the-function-with-the-output-of-mqtt-out/18256 "2019-11-22T00:14:41Z")

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As the figure 1 below, I am going to use the MQTT OUT node that sends the downlink data to TTN. But in the debug window, I have two signal humidity and light in msg.payload.payload-fields, but I just want to send one sig…

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