# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=873

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

**Page:** 874

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## [Running Light with Neopixel](https://discourse.nodered.org/t/running-light-with-neopixel/12284)

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**Author:** [@Danieldz](https://discourse.nodered.org/u/Danieldz)\
**Replies:** 2\
**Last updated:** [24 June 2019 11:55 UTC](https://discourse.nodered.org/t/running-light-with-neopixel/12284 "2019-06-24T11:55:21Z")

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Hey Guys, I am still pretty new to Node Red, but I somehow like it already. I am helping a friend a I am now into the controlling of a Neopixel strip. The Basic function, that i wanna realize is, that I have a Timestamp…

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## [Removing " " from payload](https://discourse.nodered.org/t/removing-from-payload/12531)

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**Author:** [@Weespies](https://discourse.nodered.org/u/Weespies)\
**Replies:** 11\
**Last updated:** [24 June 2019 10:40 UTC](https://discourse.nodered.org/t/removing-from-payload/12531 "2019-06-24T10:40:27Z")

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Looking for a way to remove " " from a payload as when writing to a file it appears as {"s":"","orig":"","length":0}

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## [Static IP config raspberry pi](https://discourse.nodered.org/t/static-ip-config-raspberry-pi/12539)

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**Author:** [@martinschki](https://discourse.nodered.org/u/martinschki)\
**Replies:** 2\
**Last updated:** [24 June 2019 10:30 UTC](https://discourse.nodered.org/t/static-ip-config-raspberry-pi/12539 "2019-06-24T10:30:53Z")

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Hello, I have a really strange one... (this one is now off topic :wink: My raspberry pi is running since at least 6 months and the only changes I make are via the palette and in node-red itself. It is running on a st…

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## [Count function reset daily](https://discourse.nodered.org/t/count-function-reset-daily/12538)

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**Author:** [@Carloj](https://discourse.nodered.org/u/Carloj)\
**Replies:** 3\
**Last updated:** [24 June 2019 09:55 UTC](https://discourse.nodered.org/t/count-function-reset-daily/12538 "2019-06-24T09:55:24Z")

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I got the follow function code: var count=context.get('count') || 1; count +=1; msg.payload = count; context.set('count', count); return msg; Now i want it to count the amount daily. So every day it starts at 0. How co…

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## [Which is the correct way to disable node?](https://discourse.nodered.org/t/which-is-the-correct-way-to-disable-node/12534)

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**Author:** [@gbove731](https://discourse.nodered.org/u/gbove731)\
**Replies:** 0\
**Last updated:** [24 June 2019 08:17 UTC](https://discourse.nodered.org/t/which-is-the-correct-way-to-disable-node/12534 "2019-06-24T08:17:19Z")

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Is there a way to statically disable palette nodes without using node-red-admin disable? I'm looking for a configuration file or something similar.

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## [Send Message only if it is the Same as before](https://discourse.nodered.org/t/send-message-only-if-it-is-the-same-as-before/12511)

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**Author:** [@BMO\_the\_Console](https://discourse.nodered.org/u/BMO_the_Console)\
**Replies:** 10\
**Last updated:** [24 June 2019 07:48 UTC](https://discourse.nodered.org/t/send-message-only-if-it-is-the-same-as-before/12511 "2019-06-24T07:48:11Z")

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Hello, i would like to forward a Massage to the next Node, but only if the Message is the Same Message as befor. Best Regards, Tobias

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## [Ultimate Monitoring](https://discourse.nodered.org/t/ultimate-monitoring/12509)

<div class="topic-metadata">

**Author:** [@martinschki](https://discourse.nodered.org/u/martinschki)\
**Replies:** 6\
**Last updated:** [24 June 2019 03:44 UTC](https://discourse.nodered.org/t/ultimate-monitoring/12509 "2019-06-24T03:44:24Z")

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Hello, I know this is super off-topic so please move or remove if not appropriate I want to monitor my servers, cameras, printers and other devices (DB, media, Synology, Node-RED, ...) and I'm looking into nagios for t…

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## [Combine Data / Array](https://discourse.nodered.org/t/combine-data-array/12449)

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**Author:** [@jason\_tien](https://discourse.nodered.org/u/jason_tien)\
**Replies:** 6\
**Last updated:** [24 June 2019 03:00 UTC](https://discourse.nodered.org/t/combine-data-array/12449 "2019-06-24T03:00:40Z")

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Hi, everyone. I have a problems about the join node. Example : When I interval the timestamp, all the node will run. Their will display 26 data. But now the problems is sometime the join node get the duplicated dat…

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## [Node-red-contrib-worldmap with Json array](https://discourse.nodered.org/t/node-red-contrib-worldmap-with-json-array/12523)

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**Author:** [@sanserg](https://discourse.nodered.org/u/sanserg)\
**Replies:** 2\
**Last updated:** [23 June 2019 22:52 UTC](https://discourse.nodered.org/t/node-red-contrib-worldmap-with-json-array/12523 "2019-06-23T22:52:04Z")

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Hi team, I do have a Json array with many itens (id,lat,long) See example: msg.payload.users.messageList\[1..n\].message\[1...n\].latitude\[0\] msg.payload.users.messageList\[1..n\].message\[1...n\].longitude\[0\] msg.payload.us…

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## [Create a title for telegram messages](https://discourse.nodered.org/t/create-a-title-for-telegram-messages/12505)

<div class="topic-metadata">

**Author:** [@ygarti](https://discourse.nodered.org/u/ygarti)\
**Replies:** 3\
**Last updated:** [23 June 2019 11:16 UTC](https://discourse.nodered.org/t/create-a-title-for-telegram-messages/12505 "2019-06-23T11:16:42Z")

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Hi all, I am new to node-red i have home assistant and i wanted to transfer many of my automation to node-red in HA you have the ability to create a title when you are sending a message (it's just a bold line before th…

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## [Something interesting happened as I was updating NR](https://discourse.nodered.org/t/something-interesting-happened-as-i-was-updating-nr/12497)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [23 June 2019 10:20 UTC](https://discourse.nodered.org/t/something-interesting-happened-as-i-was-updating-nr/12497 "2019-06-23T10:20:38Z")

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Tempting fate I am updating a couple more machines (RPI) with the command: sudo npm install -g --unsafe-perm node-red Is it of concern that one of the sites it is trying to access is error 404? Not for me directly, bu…

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## [Nodes editor not showing up](https://discourse.nodered.org/t/nodes-editor-not-showing-up/12439)

<div class="topic-metadata">

**Author:** [@GAZ082](https://discourse.nodered.org/u/GAZ082)\
**Replies:** 3\
**Last updated:** [23 June 2019 09:25 UTC](https://discourse.nodered.org/t/nodes-editor-not-showing-up/12439 "2019-06-23T09:25:02Z")

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This happened out of the blue, nothing updated. The nodes run but the graphical UI for editing notes does not. Log: https://pastebin.com/raw/TCbLVYKF

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## [Raspberry Pi Live Stream](https://discourse.nodered.org/t/raspberry-pi-live-stream/12441)

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**Author:** [@cam](https://discourse.nodered.org/u/cam)\
**Replies:** 3\
**Last updated:** [22 June 2019 11:04 UTC](https://discourse.nodered.org/t/raspberry-pi-live-stream/12441 "2019-06-22T11:04:58Z")

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Hi all, I'm pretty new to node red and still learning and recently set up some raspberry pi cameras. They are RPI 3B+'s running Raspbian and Node Red along with the Pi Camera Module V2. The basic gist of what I'm doing i…

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## [Help with how to do this (JSON parsing of msg.payload)](https://discourse.nodered.org/t/help-with-how-to-do-this-json-parsing-of-msg-payload/12475)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 15\
**Last updated:** [22 June 2019 10:49 UTC](https://discourse.nodered.org/t/help-with-how-to-do-this-json-parsing-of-msg-payload/12475 "2019-06-22T10:49:22Z")

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I am still working on the idea, but this is the "problem" as of now. I have 'n' machines tasked with pinging two addresses. All machines: Say: Address 1 and address 2. If Address 1 is not ping-able, address 2 is Un…

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## [\`change\` node... not "working"? (And \`switch\` node)](https://discourse.nodered.org/t/change-node-not-working-and-switch-node/12478)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [22 June 2019 08:57 UTC](https://discourse.nodered.org/t/change-node-not-working-and-switch-node/12478 "2019-06-22T08:57:05Z")

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I am trying to use the change node. I usually/normally use a function node and do it that way, but I am trying to get used to using the change node. This packet is coming in: {"topic":"STATUS/ADSL\_Link\_Status","payloa…

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## [How to "wipe" node.status() - not as shown](https://discourse.nodered.org/t/how-to-wipe-node-status-not-as-shown/12479)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [22 June 2019 07:08 UTC](https://discourse.nodered.org/t/how-to-wipe-node-status-not-as-shown/12479 "2019-06-22T07:08:09Z")

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I have tried researching the subject but to no avail. I have some code that sets the node.status() of a node. Alas it doesn't clear it in other cases. So I went off looking/searching. From the manual Quote: If the …

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## [MQTT Explorer v0.2.0 - MQTT swiss-army-knife](https://discourse.nodered.org/t/mqtt-explorer-v0-2-0-mqtt-swiss-army-knife/7308)

<div class="topic-metadata">

**Author:** [@thomasnordquist](https://discourse.nodered.org/u/thomasnordquist)\
**Replies:** 53\
**Last updated:** [21 June 2019 18:02 UTC](https://discourse.nodered.org/t/mqtt-explorer-v0-2-0-mqtt-swiss-army-knife/7308 "2019-06-21T18:02:04Z")

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I'm a huge fan of Node-Red. I use it a lot for Home-Automation and use MQTT to integrate other services like zigbee2mqtt, but also to decouple the UI from device integrations. Maintaining a nice topic hierarchy is a key…

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## [Serial Communication issues](https://discourse.nodered.org/t/serial-communication-issues/12470)

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**Author:** [@NC16](https://discourse.nodered.org/u/NC16)\
**Replies:** 4\
**Last updated:** [21 June 2019 19:56 UTC](https://discourse.nodered.org/t/serial-communication-issues/12470 "2019-06-21T19:56:38Z")

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So this is a weird one. I am currently using an IOT2040 from siemens to communicate with a rs232 device. I can monitor traffic on my serial port via puTTy. When using 'screen /dev/ttyS3 9600' on puTTy I am able to see a…

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## [\[SOLVED\] Node-RED 0.20.6 Installation Issue](https://discourse.nodered.org/t/solved-node-red-0-20-6-installation-issue/12471)

<div class="topic-metadata">

**Author:** [@rei\_vilo](https://discourse.nodered.org/u/rei_vilo)\
**Replies:** 3\
**Last updated:** [21 June 2019 19:31 UTC](https://discourse.nodered.org/t/solved-node-red-0-20-6-installation-issue/12471 "2019-06-21T19:31:08Z")

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Solution: Stick with recommended Node 10 LTS version. When trying to install Node-RED 0.20.6 on macOS 10.14 with the recommended procedure, installation fails with the following details: $ sudo npm install -g --unsafe…

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## [Post Form data from function including array](https://discourse.nodered.org/t/post-form-data-from-function-including-array/12429)

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**Author:** [@mtoko](https://discourse.nodered.org/u/mtoko)\
**Replies:** 8\
**Last updated:** [21 June 2019 16:28 UTC](https://discourse.nodered.org/t/post-form-data-from-function-including-array/12429 "2019-06-21T16:28:39Z")

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Hi I am trying to use an API and POST multipart/form-data. I am using the example from the API docs which includes an array. When I try to post this the error is Arrays are not supported. I am using a function block to …

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## [Raspberry PI command transfer](https://discourse.nodered.org/t/raspberry-pi-command-transfer/12456)

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**Author:** [@DillonW](https://discourse.nodered.org/u/DillonW)\
**Replies:** 1\
**Last updated:** [21 June 2019 11:55 UTC](https://discourse.nodered.org/t/raspberry-pi-command-transfer/12456 "2019-06-21T11:55:30Z")

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Hi, I am trying to send device commands to the raspberry PI from the cloud(based on IBM) node-red, so that I can use it to control the PI. If I try to connect the two to the device I get constant reconnection issues. Bot…

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## [WebSocket nodes appear disconnected while being connected](https://discourse.nodered.org/t/websocket-nodes-appear-disconnected-while-being-connected/5859)

<div class="topic-metadata">

**Author:** [@rusenask](https://discourse.nodered.org/u/rusenask)\
**Replies:** 0\
**Last updated:** [16 December 2018 23:02 UTC](https://discourse.nodered.org/t/websocket-nodes-appear-disconnected-while-being-connected/5859 "2018-12-16T23:02:54Z")

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Hello, I am building a flow with websocket connections using my project Webhook Relay (https://webhookrelay.com/v1/guide/socket-server - it allows receiving webhook without having public IP or configuring NAT/firewall) a…

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## [Clear Worldmap with inject](https://discourse.nodered.org/t/clear-worldmap-with-inject/12438)

<div class="topic-metadata">

**Author:** [@JhazMedina](https://discourse.nodered.org/u/JhazMedina)\
**Replies:** 14\
**Last updated:** [20 June 2019 22:23 UTC](https://discourse.nodered.org/t/clear-worldmap-with-inject/12438 "2019-06-20T22:23:09Z")

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Hi again, there is a way that I can erase everything in the map? I have multiple markers, tracks, and drawings, but I need a button that clean all the map, i've tried to delete the markers but if i make another action wi…

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## [Run commands after a reboot](https://discourse.nodered.org/t/run-commands-after-a-reboot/12443)

<div class="topic-metadata">

**Author:** [@fabien](https://discourse.nodered.org/u/fabien)\
**Replies:** 5\
**Last updated:** [20 June 2019 22:07 UTC](https://discourse.nodered.org/t/run-commands-after-a-reboot/12443 "2019-06-20T22:07:52Z")

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Hello, I would like the node red boot information. it's to launch command line just after node red starts maybe there is a node all done

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## [Get Node Parent](https://discourse.nodered.org/t/get-node-parent/5678)

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**Author:** [@jboutwell](https://discourse.nodered.org/u/jboutwell)\
**Replies:** 7\
**Last updated:** [20 June 2019 19:06 UTC](https://discourse.nodered.org/t/get-node-parent/5678 "2019-06-20T19:06:44Z")

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I am trying to get the node-id of the node that sent the msg being processed. I can get the current node-id using this but I can't see how to directly get the parent node it this possible? Thanks!

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## [Node Red Developer Wanted](https://discourse.nodered.org/t/node-red-developer-wanted/12436)

<div class="topic-metadata">

**Author:** [@sarogersz](https://discourse.nodered.org/u/sarogersz)\
**Replies:** 1\
**Last updated:** [20 June 2019 19:05 UTC](https://discourse.nodered.org/t/node-red-developer-wanted/12436 "2019-06-20T19:05:10Z")

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I have a new software company that is aimed at ioT control/automation market, that I am announcing and demonstrating at CEDIA Expo in Sept. We are structured to work in conjunction with Node Red, particularly to use its…

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## [Error loading settings file: .node-red/settings.js after server restart](https://discourse.nodered.org/t/error-loading-settings-file-node-red-settings-js-after-server-restart/12435)

<div class="topic-metadata">

**Author:** [@noviadiscovery](https://discourse.nodered.org/u/noviadiscovery)\
**Replies:** 2\
**Last updated:** [20 June 2019 16:53 UTC](https://discourse.nodered.org/t/error-loading-settings-file-node-red-settings-js-after-server-restart/12435 "2019-06-20T16:53:03Z")

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Hi all Recently started working with Node-Red for a project I've got; and so far I like it a lot. I am going to connect it to Ubidots, to use their functionality as they seem to have what I need. Anyway; I am getting …

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## [Sensor glitch removal](https://discourse.nodered.org/t/sensor-glitch-removal/12427)

<div class="topic-metadata">

**Author:** [@ALOKA1432](https://discourse.nodered.org/u/ALOKA1432)\
**Replies:** 6\
**Last updated:** [20 June 2019 16:02 UTC](https://discourse.nodered.org/t/sensor-glitch-removal/12427 "2019-06-20T16:02:13Z")

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Hey all, There is a problem with sensors that sometimes there is glitch in the sensor values and the next value is normal as the previous one of the glitched one. The sensor sometimes just does give the maximum value of …

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## [Custom Node in Ubuntu?](https://discourse.nodered.org/t/custom-node-in-ubuntu/12340)

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**Author:** [@tcontrada](https://discourse.nodered.org/u/tcontrada)\
**Replies:** 4\
**Last updated:** [20 June 2019 15:31 UTC](https://discourse.nodered.org/t/custom-node-in-ubuntu/12340 "2019-06-20T15:31:28Z")

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I have created a custom node that works well on my Windows 10 PC. I am trying to install it on a Linux, Ubuntu 18.04.2 LTS with NR version 0.20.5 and NodeJS V 10. I have installed my custom node via NPM, but I get the…

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## [Cloudflare Crypto week](https://discourse.nodered.org/t/cloudflare-crypto-week/12338)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 1\
**Last updated:** [20 June 2019 15:08 UTC](https://discourse.nodered.org/t/cloudflare-crypto-week/12338 "2019-06-20T15:08:28Z")

</div>

Security is a subject that keeps cropping up in the forum, so I thought members may be interested in Cloudflare's Crypto week, where they are posting a series of articles, one per day for a week. If this is too far O…

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