# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=691

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

**Page:** 692

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## [Node-red-contrib-static-markdown is reporting TypeError: Cannot read property 'attrJoin' of undefined](https://discourse.nodered.org/t/node-red-contrib-static-markdown-is-reporting-typeerror-cannot-read-property-attrjoin-of-undefined/32081)

<div class="topic-metadata">

**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 3\
**Last updated:** [30 August 2020 08:51 UTC](https://discourse.nodered.org/t/node-red-contrib-static-markdown-is-reporting-typeerror-cannot-read-property-attrjoin-of-undefined/32081 "2020-08-30T08:51:11Z")

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node-red-contrib-static-markdown seems to provide the exact functionality I need but I am facing a little issue: I have cloned the github repository: https://github.com/TotallyInformation/node-red-contrib-static-markd…

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## [What is wrong with my change node (or split node)?](https://discourse.nodered.org/t/what-is-wrong-with-my-change-node-or-split-node/32188)

<div class="topic-metadata">

**Author:** [@harelabb](https://discourse.nodered.org/u/harelabb)\
**Replies:** 14\
**Last updated:** [30 August 2020 08:07 UTC](https://discourse.nodered.org/t/what-is-wrong-with-my-change-node-or-split-node/32188 "2020-08-30T08:07:31Z")

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I am trying to strip off some text from the date in the output from a influxDB node, to use in a dashboard chart node. But it does not work. The date is not altered by the change node. When I try to create the same mes…

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## [CSV node - set columns names from outside the node](https://discourse.nodered.org/t/csv-node-set-columns-names-from-outside-the-node/32201)

<div class="topic-metadata">

**Author:** [@SergeyBrook](https://discourse.nodered.org/u/SergeyBrook)\
**Replies:** 6\
**Last updated:** [30 August 2020 07:37 UTC](https://discourse.nodered.org/t/csv-node-set-columns-names-from-outside-the-node/32201 "2020-08-30T07:37:25Z")

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Hello everyone, I'm using CSV parser core node to convert CSV to JSON. According to the node's docs, it is possible to send column names list in msg.columns, but when i doing so, i just get 'default' column names in res…

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## [Trying to get this to work in home assistant node red](https://discourse.nodered.org/t/trying-to-get-this-to-work-in-home-assistant-node-red/32169)

<div class="topic-metadata">

**Author:** [@bgreet](https://discourse.nodered.org/u/bgreet)\
**Replies:** 6\
**Last updated:** [30 August 2020 07:29 UTC](https://discourse.nodered.org/t/trying-to-get-this-to-work-in-home-assistant-node-red/32169 "2020-08-30T07:29:41Z")

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I'm trying to figure out how to look for an event state in node red from an inovelli switch. It has multiple buttons depending on how many times you hit up or down and/or hit an extra configuration button. When I look …

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## [Can MQTT work over bluetooth?](https://discourse.nodered.org/t/can-mqtt-work-over-bluetooth/32202)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [30 August 2020 06:57 UTC](https://discourse.nodered.org/t/can-mqtt-work-over-bluetooth/32202 "2020-08-30T06:57:30Z")

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Sorry if a dumb question. It is just something which may be handy if it can work for very basic messages.

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## [Storing Data in an Array](https://discourse.nodered.org/t/storing-data-in-an-array/32181)

<div class="topic-metadata">

**Author:** [@TizaouiT](https://discourse.nodered.org/u/TizaouiT)\
**Replies:** 4\
**Last updated:** [29 August 2020 20:38 UTC](https://discourse.nodered.org/t/storing-data-in-an-array/32181 "2020-08-29T20:38:55Z")

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Hello everyone, I am trying to store data coming from a sensor in an array. The sensor output is actualised every 5 sec. Every time a new value comes only 1 value will be stored in my array. I am trying to save this set…

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## [Getting data from web api - cookies issue?](https://discourse.nodered.org/t/getting-data-from-web-api-cookies-issue/32045)

<div class="topic-metadata">

**Author:** [@unclebob](https://discourse.nodered.org/u/unclebob)\
**Replies:** 1\
**Last updated:** [29 August 2020 20:21 UTC](https://discourse.nodered.org/t/getting-data-from-web-api-cookies-issue/32045 "2020-08-29T20:21:06Z")

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Hi all, First time user of Node-Red and maybe biting off more then I can chew! I want to connect to the following website, and pull down my data, it is a two step process on the website. first go to https://homebrew.…

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## [Flow.context values not being set as expected](https://discourse.nodered.org/t/flow-context-values-not-being-set-as-expected/32139)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [29 August 2020 20:20 UTC](https://discourse.nodered.org/t/flow-context-values-not-being-set-as-expected/32139 "2020-08-29T20:20:49Z")

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I have an inject node set to inject once after xx that goes to a change node. (the flow) \[{"id":"bd9fe1da.4adb68","type":"inject","z":"e2bd5a4e.5597e8","name":"","topic":"","payload":"Lcl Readings","payloadType":"str",…

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## [NR+influxdb+grafana](https://discourse.nodered.org/t/nr-influxdb-grafana/31667)

<div class="topic-metadata">

**Author:** [@Martin10](https://discourse.nodered.org/u/Martin10)\
**Replies:** 116\
**Last updated:** [29 August 2020 12:51 UTC](https://discourse.nodered.org/t/nr-influxdb-grafana/31667 "2020-08-29T12:51:31Z")

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Hi, i try to connect NR+influxdb+grafana (in order to store sensor data), but when i get to grafana dashboard I can't get any data from my sensors to the dashboard, what this error could mean ? I think i completed all r…

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## [Input topic convert to 16bit integer](https://discourse.nodered.org/t/input-topic-convert-to-16bit-integer/32179)

<div class="topic-metadata">

**Author:** [@Kampfwurst](https://discourse.nodered.org/u/Kampfwurst)\
**Replies:** 2\
**Last updated:** [29 August 2020 12:35 UTC](https://discourse.nodered.org/t/input-topic-convert-to-16bit-integer/32179 "2020-08-29T12:35:57Z")

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Hi, I would like to sum different topics and payloads together. The output should be a integer value. But i have the problem that it doesn't not work as intended :wink: The output is at the moment "NaN" Where is the…

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## [Having trouble parsing this message](https://discourse.nodered.org/t/having-trouble-parsing-this-message/32171)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 28\
**Last updated:** [29 August 2020 08:52 UTC](https://discourse.nodered.org/t/having-trouble-parsing-this-message/32171 "2020-08-29T08:52:52Z")

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I have an exec node running some code. I connect to the return code output. (The bottom one) This is the message coming out: {"topic":"DO\_THIS","qos":2,"retain":false,"\_msgid":"755998b4.052328","payload":{"code":0}} …

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## ["Function tried to send a message of type string" error](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-string-error/32155)

<div class="topic-metadata">

**Author:** [@dhanush12](https://discourse.nodered.org/u/dhanush12)\
**Replies:** 3\
**Last updated:** [29 August 2020 06:37 UTC](https://discourse.nodered.org/t/function-tried-to-send-a-message-of-type-string-error/32155 "2020-08-29T06:37:19Z")

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Please help me to resolve this issue, that would be a great support of yours to me !!! var grad=msg.payload if (grad\>85) { msg.grade="S"; } else if (grad\<=85 && grad\>80) { msg.grade="A"; } else if (grad\<=80 && …

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## [Sense HAT missing](https://discourse.nodered.org/t/sense-hat-missing/31899)

<div class="topic-metadata">

**Author:** [@JPardo](https://discourse.nodered.org/u/JPardo)\
**Replies:** 2\
**Last updated:** [29 August 2020 06:26 UTC](https://discourse.nodered.org/t/sense-hat-missing/31899 "2020-08-29T06:26:11Z")

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Hi, I tried to install sense HAT in node-red but then nothing happened afterwards. I can only see the below:

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## [Multiple output of function node not working as shown](https://discourse.nodered.org/t/multiple-output-of-function-node-not-working-as-shown/32173)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [29 August 2020 06:16 UTC](https://discourse.nodered.org/t/multiple-output-of-function-node-not-working-as-shown/32173 "2020-08-29T06:16:24Z")

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As brief as possible: \[{"id":"3cc824ef.442dd4","type":"inject","z":"710ca09a.8302a8","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":500,"y":990,"wires":\[…

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## [Node red HTML template](https://discourse.nodered.org/t/node-red-html-template/32127)

<div class="topic-metadata">

**Author:** [@ashur\_3d](https://discourse.nodered.org/u/ashur_3d)\
**Replies:** 3\
**Last updated:** [29 August 2020 06:12 UTC](https://discourse.nodered.org/t/node-red-html-template/32127 "2020-08-29T06:12:50Z")

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Hi, So, I can use the dashboard nodes and implement my data points in with no problem. Then, I thought to create my one custom HTML with custom CSS etc.. but inserting data into the Node Red HTML template node looks way…

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## [Older 32-bit hardware (PC) as hosting platform for Node Red?](https://discourse.nodered.org/t/older-32-bit-hardware-pc-as-hosting-platform-for-node-red/32125)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 8\
**Last updated:** [29 August 2020 03:29 UTC](https://discourse.nodered.org/t/older-32-bit-hardware-pc-as-hosting-platform-for-node-red/32125 "2020-08-29T03:29:20Z")

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I have a older, but well working 32 bit based PC that I think would make a great back up instance for my Node Red remote monitoring environment. I have not researched this idea yet, but figured I would ask on the forum,…

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## [Encoder Input to select a value 0 to 10,000](https://discourse.nodered.org/t/encoder-input-to-select-a-value-0-to-10-000/32163)

<div class="topic-metadata">

**Author:** [@Graham](https://discourse.nodered.org/u/Graham)\
**Replies:** 3\
**Last updated:** [28 August 2020 21:04 UTC](https://discourse.nodered.org/t/encoder-input-to-select-a-value-0-to-10-000/32163 "2020-08-28T21:04:36Z")

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This will, with a bit of luck, be the first post of many. I have started a project that is way in excess of my capabilities! The end goal is to create a control panel for the control of some industrial equipment. My plan…

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## [How to generate alert with respect to time](https://discourse.nodered.org/t/how-to-generate-alert-with-respect-to-time/32129)

<div class="topic-metadata">

**Author:** [@akhtar321h](https://discourse.nodered.org/u/akhtar321h)\
**Replies:** 4\
**Last updated:** [28 August 2020 10:14 UTC](https://discourse.nodered.org/t/how-to-generate-alert-with-respect-to-time/32129 "2020-08-28T10:14:17Z")

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Hello Everyone, I am doing one demo project. In this, I need to print some alert message on debug window, if temperature increases 5 degree within 10 minutes. At the place of temperature data, I am using random node f…

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## [How to use the life360 contribution?](https://discourse.nodered.org/t/how-to-use-the-life360-contribution/32153)

<div class="topic-metadata">

**Author:** [@dclear](https://discourse.nodered.org/u/dclear)\
**Replies:** 0\
**Last updated:** [28 August 2020 14:30 UTC](https://discourse.nodered.org/t/how-to-use-the-life360-contribution/32153 "2020-08-28T14:30:16Z")

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Does anyone use the life360 contribution? And if so, could they post their flow? I can't figure out how to use it! Thanks

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## ["ui\_text\_input" Size and Steps](https://discourse.nodered.org/t/ui-text-input-size-and-steps/32149)

<div class="topic-metadata">

**Author:** [@n61ab](https://discourse.nodered.org/u/n61ab)\
**Replies:** 1\
**Last updated:** [28 August 2020 13:37 UTC](https://discourse.nodered.org/t/ui-text-input-size-and-steps/32149 "2020-08-28T13:37:00Z")

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I want to input a number from my dashboard. The "ui\_text\_input' node works nicely, except I cannot resize the input box text. I am a able to resize the label text size using \<fontsize=x\> . Also, on the "ui\_text\_input"…

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## [Help with More Than 2 CE Pins on Raspberry Pi 4](https://discourse.nodered.org/t/help-with-more-than-2-ce-pins-on-raspberry-pi-4/32148)

<div class="topic-metadata">

**Author:** [@oncdastan](https://discourse.nodered.org/u/oncdastan)\
**Replies:** 0\
**Last updated:** [28 August 2020 12:33 UTC](https://discourse.nodered.org/t/help-with-more-than-2-ce-pins-on-raspberry-pi-4/32148 "2020-08-28T12:33:27Z")

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Hi. Previously, I was reading temperature data with 4 DS18B20s. The problem was the read time. It is 750 ms. This amount is too much for good PID control. So, I switched to PT100 with MAX31865. Now, the problem is I only…

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## [Hexadecimal to ascii/string function](https://discourse.nodered.org/t/hexadecimal-to-ascii-string-function/32141)

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**Author:** [@Roger](https://discourse.nodered.org/u/Roger)\
**Replies:** 8\
**Last updated:** [28 August 2020 11:17 UTC](https://discourse.nodered.org/t/hexadecimal-to-ascii-string-function/32141 "2020-08-28T11:17:34Z")

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Hello, there is any function that converts directly from hex to ascii? I need to aply it in a function node.

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## [On, Off, Faulty State for a Sensor](https://discourse.nodered.org/t/on-off-faulty-state-for-a-sensor/31951)

<div class="topic-metadata">

**Author:** [@oncdastan](https://discourse.nodered.org/u/oncdastan)\
**Replies:** 11\
**Last updated:** [28 August 2020 10:43 UTC](https://discourse.nodered.org/t/on-off-faulty-state-for-a-sensor/31951 "2020-08-28T10:43:24Z")

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Hi. I am using a water flow sensor. My purpose here is to display "OFF", when the switch is "OFF" (even if there is flow or not, if the switch is off it should display "OFF" at all times). When it is on, it can start wit…

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## [Node-RED on AWS Elastic Beanstalk - unable to install new nodes, getting npm permissions error](https://discourse.nodered.org/t/node-red-on-aws-elastic-beanstalk-unable-to-install-new-nodes-getting-npm-permissions-error/32122)

<div class="topic-metadata">

**Author:** [@nicholas](https://discourse.nodered.org/u/nicholas)\
**Replies:** 1\
**Last updated:** [28 August 2020 09:40 UTC](https://discourse.nodered.org/t/node-red-on-aws-elastic-beanstalk-unable-to-install-new-nodes-getting-npm-permissions-error/32122 "2020-08-28T09:40:21Z")

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Howdy folks! I have an install of Node-RED running on Elastic Beanstalk, which I did following toconuts' tutorial linked below: However, when I try to install new nodes via "Manage palette," the install fails with …

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## [Can I edit the project version in package.json from Editor?](https://discourse.nodered.org/t/can-i-edit-the-project-version-in-package-json-from-editor/32070)

<div class="topic-metadata">

**Author:** [@mannharleen](https://discourse.nodered.org/u/mannharleen)\
**Replies:** 3\
**Last updated:** [28 August 2020 09:34 UTC](https://discourse.nodered.org/t/can-i-edit-the-project-version-in-package-json-from-editor/32070 "2020-08-28T09:34:09Z")

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How can I edit the version property of the package.json for a node-red project? There are options to edit the dependency part from the UI/Editor { "name": "proj1", "description": "abcd", "version": "0.0.1",…

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## [NodeRed Palette is months behind the NPM package - node-red-contrib-smartlifeair - HELP](https://discourse.nodered.org/t/nodered-palette-is-months-behind-the-npm-package-node-red-contrib-smartlifeair-help/32124)

<div class="topic-metadata">

**Author:** [@razorRun](https://discourse.nodered.org/u/razorRun)\
**Replies:** 14\
**Last updated:** [28 August 2020 09:29 UTC](https://discourse.nodered.org/t/nodered-palette-is-months-behind-the-npm-package-node-red-contrib-smartlifeair-help/32124 "2020-08-28T09:29:02Z")

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Hey Guys I just noticed one of my Nodes still has a very old version(5months old) in NodeRed (NPM is updated several times after that- 12 version updates to be exact with in last 4 months). I am not sure how to update …

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## [Conversion of PHP function to Javascript](https://discourse.nodered.org/t/conversion-of-php-function-to-javascript/32052)

<div class="topic-metadata">

**Author:** [@mudwalker](https://discourse.nodered.org/u/mudwalker)\
**Replies:** 5\
**Last updated:** [28 August 2020 08:44 UTC](https://discourse.nodered.org/t/conversion-of-php-function-to-javascript/32052 "2020-08-28T08:44:14Z")

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Hi, Hoping for some help with a script conversion. I have searched and, as usual, Search Engines are giving me what they think I want rather than what I actually need!! Most answers direct me to PHP pages, and those I h…

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## [Construcing dynamic messages for LCD](https://discourse.nodered.org/t/construcing-dynamic-messages-for-lcd/32085)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [28 August 2020 07:19 UTC](https://discourse.nodered.org/t/construcing-dynamic-messages-for-lcd/32085 "2020-08-28T07:19:07Z")

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I don't know if this is really going to work, but for the sake of trying something else (different?) this is a little project just now. Say I have a 2 line LCD (though it will be 4 ultimately) I want a way to... allow s…

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## [Alexa light commands for white lights](https://discourse.nodered.org/t/alexa-light-commands-for-white-lights/32072)

<div class="topic-metadata">

**Author:** [@queelyte](https://discourse.nodered.org/u/queelyte)\
**Replies:** 3\
**Last updated:** [28 August 2020 07:04 UTC](https://discourse.nodered.org/t/alexa-light-commands-for-white-lights/32072 "2020-08-28T07:04:16Z")

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I’m a noob and I’m trying to figure out how to add bright and dim setting commands to Alexa for my zha lights. Can anyone help me with a flow for this?

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## [Pass a variable through nodes](https://discourse.nodered.org/t/pass-a-variable-through-nodes/32119)

<div class="topic-metadata">

**Author:** [@juanmito](https://discourse.nodered.org/u/juanmito)\
**Replies:** 3\
**Last updated:** [28 August 2020 06:22 UTC](https://discourse.nodered.org/t/pass-a-variable-through-nodes/32119 "2020-08-28T06:22:38Z")

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Hi I've searched about this issue, but I couldn't find anything. Well, my problem is about configuring one netatmo node (https://flows.nodered.org/node/node-red-contrib-netatmo-energy), and using the node SETROOMTHERM…

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