# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1196

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

**Page:** 1197

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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)

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**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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## [Christmas Music Machine - CMM](https://discourse.nodered.org/t/christmas-music-machine-cmm/18340)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 0\
**Last updated:** [24 November 2019 07:02 UTC](https://discourse.nodered.org/t/christmas-music-machine-cmm/18340 "2019-11-24T07:02:30Z")

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A couple of my IoT students are planning on designing and building a flow to play mp3 files (located on a RPi) to an amplifiler connected to the Pi's 3.5mm audio socket. Project plan and progress diary Although I have a…

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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)

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**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)

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**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)

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**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)

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**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)

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**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)

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**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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## [Dynamic Gauges depending upon mqtt input](https://discourse.nodered.org/t/dynamic-gauges-depending-upon-mqtt-input/18088)

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**Author:** [@mipl](https://discourse.nodered.org/u/mipl)\
**Replies:** 3\
**Last updated:** [23 November 2019 10:59 UTC](https://discourse.nodered.org/t/dynamic-gauges-depending-upon-mqtt-input/18088 "2019-11-23T10:59:39Z")

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I am new in Node red.I wants to add gauges dynamically depending on no's of mqtt json data input , e.g. mqtt data be like .. {"d":{"Sample":"200","Sample1":"500","LP4":"300","LP5":"150"}} From Above data i wants to cr…

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

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**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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## [Cheerio with Function and HTML Nodes](https://discourse.nodered.org/t/cheerio-with-function-and-html-nodes/18243)

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**Author:** [@baqwas](https://discourse.nodered.org/u/baqwas)\
**Replies:** 9\
**Last updated:** [22 November 2019 20:01 UTC](https://discourse.nodered.org/t/cheerio-with-function-and-html-nodes/18243 "2019-11-22T20:01:44Z")

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Hello, I need to extract just two values from the page at the RCP web site. A sample sub-string is shown below. For the keyword Approve, I need to retrieve the corresponding value 44.0: \<div class="value"\> …

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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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## [Can we configure/create UI nodes to make them overlap intentionally?](https://discourse.nodered.org/t/can-we-configure-create-ui-nodes-to-make-them-overlap-intentionally/18230)

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**Author:** [@shrey.garg](https://discourse.nodered.org/u/shrey.garg)\
**Replies:** 7\
**Last updated:** [22 November 2019 17:03 UTC](https://discourse.nodered.org/t/can-we-configure-create-ui-nodes-to-make-them-overlap-intentionally/18230 "2019-11-22T17:03:06Z")

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Can we extend Angular's UI functionality where we overlap elements like button, text, image etc., over each other to make better looking UI. I don't want to use template node for any custom UI development. I want to make…

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## [\[New Feature\] Option to specify target UDP port in node-red-node-wol](https://discourse.nodered.org/t/new-feature-option-to-specify-target-udp-port-in-node-red-node-wol/18276)

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**Author:** [@Silla](https://discourse.nodered.org/u/Silla)\
**Replies:** 2\
**Last updated:** [22 November 2019 16:11 UTC](https://discourse.nodered.org/t/new-feature-option-to-specify-target-udp-port-in-node-red-node-wol/18276 "2019-11-22T16:11:56Z")

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Hello, I added the option to specify the target UDP port for wake on lan magic packets in node-red-node-wol. Some implementations use port 9, others port 7 and some quirky devices yet other ports. The new parameter def…

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

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**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)

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**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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