# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1313

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

**Page:** 1314

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## [\[ANNOUNCE\] node-red-contrib-webhookrelay](https://discourse.nodered.org/t/announce-node-red-contrib-webhookrelay/5989)

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**Author:** [@rusenask](https://discourse.nodered.org/u/rusenask)\
**Replies:** 2\
**Last updated:** [20 February 2019 12:11 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-webhookrelay/5989 "2019-02-20T12:11:10Z")

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Hello, I am creator of Webhook Relay and a big fan of Node-RED. I would like to present a general purpose webhook receiving node node-red-contrib-webhookrelay which can help you receive & process webhooks from 3rd party …

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## [Raspistill/camerapi doesn't work inside node-red](https://discourse.nodered.org/t/raspistill-camerapi-doesnt-work-inside-node-red/8179)

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**Author:** [@squishy447](https://discourse.nodered.org/u/squishy447)\
**Replies:** 0\
**Last updated:** [20 February 2019 10:29 UTC](https://discourse.nodered.org/t/raspistill-camerapi-doesnt-work-inside-node-red/8179 "2019-02-20T10:29:59Z")

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Apologies if this is in the wrong place, i'm new to the node-red community. A few days ago i installed the camerapi node and i got it working. i don't rememeber changing anything on the pi but now it just outputs an emp…

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## [Help to define a correct array](https://discourse.nodered.org/t/help-to-define-a-correct-array/8174)

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**Author:** [@jycemea](https://discourse.nodered.org/u/jycemea)\
**Replies:** 3\
**Last updated:** [20 February 2019 10:24 UTC](https://discourse.nodered.org/t/help-to-define-a-correct-array/8174 "2019-02-20T10:24:04Z")

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Hi. I need help to organise an array in a function node. When datas are valid (flag = A) ... running fine When datas are invalid datas (flag = else) ... wrong split. The additional array wifiAccessPoints can't be cut…

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## [Dynamic schedule management](https://discourse.nodered.org/t/dynamic-schedule-management/7942)

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**Author:** [@scotie](https://discourse.nodered.org/u/scotie)\
**Replies:** 22\
**Last updated:** [20 February 2019 09:17 UTC](https://discourse.nodered.org/t/dynamic-schedule-management/7942 "2019-02-20T09:17:49Z")

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Hi everyone, So I've been working on a small application with Node-Red and UIbuilder and hit a little wall... I'm trying to create a list of timers / schedules dynamicly ( it kinda looks like Android alarm clock list )…

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## [Feedback wanted: Hiding functionGlobalContext from Context Sidebar](https://discourse.nodered.org/t/feedback-wanted-hiding-functionglobalcontext-from-context-sidebar/8106)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 15\
**Last updated:** [20 February 2019 07:35 UTC](https://discourse.nodered.org/t/feedback-wanted-hiding-functionglobalcontext-from-context-sidebar/8106 "2019-02-20T07:35:51Z")

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When we introduced Persistent Context in 0.19 we also added the new Context sidebar that lets you see the contents of context. A concern has been raised that, in some circumstances, it is not desirable to expose the val…

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## [Gridview with crud](https://discourse.nodered.org/t/gridview-with-crud/8170)

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**Author:** [@rnavanee](https://discourse.nodered.org/u/rnavanee)\
**Replies:** 0\
**Last updated:** [20 February 2019 03:28 UTC](https://discourse.nodered.org/t/gridview-with-crud/8170 "2019-02-20T03:28:51Z")

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I just am trying this flow https://flows.nodered.org/flow/e32f2b942bce77ef6079c0642b93c036 I am able to insert records in Mangodb but Update and delete fails though i do not get any error message. Is there something m…

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## [A Linear Gauge For Node-Red](https://discourse.nodered.org/t/a-linear-gauge-for-node-red/6001)

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**Author:** [@seth350](https://discourse.nodered.org/u/seth350)\
**Replies:** 45\
**Last updated:** [20 February 2019 02:24 UTC](https://discourse.nodered.org/t/a-linear-gauge-for-node-red/6001 "2019-02-20T02:24:24Z")

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My first ui node! There is also some good reading for making your own ui nodes in this thread. Please use & modify as you wish and I hope it helps with your project. node-red-contrib-ui-lineargauge A Node-Red ui n…

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## [Line charts - logarithmic y scale](https://discourse.nodered.org/t/line-charts-logarithmic-y-scale/8164)

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**Author:** [@Petr](https://discourse.nodered.org/u/Petr)\
**Replies:** 3\
**Last updated:** [20 February 2019 00:11 UTC](https://discourse.nodered.org/t/line-charts-logarithmic-y-scale/8164 "2019-02-20T00:11:46Z")

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Is there a way to set y logarithmic scale (a nonlinear scale) for line charts? Example below:

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## [Chart node - switching series on/off persistently](https://discourse.nodered.org/t/chart-node-switching-series-on-off-persistently/8163)

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**Author:** [@Petr](https://discourse.nodered.org/u/Petr)\
**Replies:** 2\
**Last updated:** [19 February 2019 22:31 UTC](https://discourse.nodered.org/t/chart-node-switching-series-on-off-persistently/8163 "2019-02-19T22:31:13Z")

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I have discovered functionality to switch series (lines) on/off by mouse click on to the legend square in the chart head (see the orange line/legend on the charts below). Unfortunately, the change is not persistent. Aft…

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## [SOLVED:More Dashboard control needed](https://discourse.nodered.org/t/solved-more-dashboard-control-needed/8162)

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**Author:** [@CraigW](https://discourse.nodered.org/u/CraigW)\
**Replies:** 5\
**Last updated:** [19 February 2019 22:18 UTC](https://discourse.nodered.org/t/solved-more-dashboard-control-needed/8162 "2019-02-19T22:18:33Z")

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I have a SONOFF TH10 controlling a bread dough proofing box. While it works perfectly and keeps the temp +/- 1 F, I lack the skills to incorporate, on the dashboard, the ability to alter the desired set temperature. Ri…

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## [Installing Node-red on Linux server](https://discourse.nodered.org/t/installing-node-red-on-linux-server/7999)

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**Author:** [@Ankitha](https://discourse.nodered.org/u/Ankitha)\
**Replies:** 4\
**Last updated:** [19 February 2019 16:40 UTC](https://discourse.nodered.org/t/installing-node-red-on-linux-server/7999 "2019-02-19T16:40:31Z")

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Hi All, I am trying to install Node-red on Linux machine under specific user and inside some folder. But by default node-red is getting installed under user home directory. Is there a way to give path while installing …

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## [adminAuth change path root](https://discourse.nodered.org/t/adminauth-change-path-root/8141)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 3\
**Last updated:** [19 February 2019 12:26 UTC](https://discourse.nodered.org/t/adminauth-change-path-root/8141 "2019-02-19T12:26:22Z")

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i have set a user in setting.js adminAuth: { type: "credentials", users: \[ /\* list of users \*/ \], default: { permissions: "read" } } is it possible to change path when user login to a dashboard …

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## [Need help, funtion node, extracting payload](https://discourse.nodered.org/t/need-help-funtion-node-extracting-payload/8128)

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**Author:** [@Asbjoern](https://discourse.nodered.org/u/Asbjoern)\
**Replies:** 4\
**Last updated:** [19 February 2019 11:39 UTC](https://discourse.nodered.org/t/need-help-funtion-node-extracting-payload/8128 "2019-02-19T11:39:26Z")

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Hi I'm New to Node-Red, but have spent several days on youtube and google trying to figure this out. I would appreciate if you could help me over this bump in the road. What I'm trying to do, is to get information out …

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## [Hung during deploy](https://discourse.nodered.org/t/hung-during-deploy/8114)

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**Author:** [@fabnavigator](https://discourse.nodered.org/u/fabnavigator)\
**Replies:** 11\
**Last updated:** [19 February 2019 11:22 UTC](https://discourse.nodered.org/t/hung-during-deploy/8114 "2019-02-19T11:22:41Z")

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I was just making flow changes, and out of the blue when I pressed deploy, I got a server not responding message. I checked and the server is fine, but node-red isn't working anymore. When I try to stop it I get Stoppin…

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## [Osmc gpio problem](https://discourse.nodered.org/t/osmc-gpio-problem/8113)

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**Author:** [@Dave](https://discourse.nodered.org/u/Dave)\
**Replies:** 1\
**Last updated:** [19 February 2019 11:07 UTC](https://discourse.nodered.org/t/osmc-gpio-problem/8113 "2019-02-19T11:07:01Z")

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Hi, I have been using node-red on a pi with osmc installed for quit a while without problem, however I now want to use the gpio nodes in a flow, I know node-red is not designed specifically to run on osmc but all my othe…

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## [Bearer auth on http request](https://discourse.nodered.org/t/bearer-auth-on-http-request/8137)

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**Author:** [@cyderbot97](https://discourse.nodered.org/u/cyderbot97)\
**Replies:** 4\
**Last updated:** [19 February 2019 09:38 UTC](https://discourse.nodered.org/t/bearer-auth-on-http-request/8137 "2019-02-19T09:38:42Z")

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Hello, I need your help, first sorry for my bad english, i'm french :confused: How can i made an http request with bearer token authentification to put json code. I have just one option " basic authentification" on ht…

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## [Security alarm turn on light and buzzer](https://discourse.nodered.org/t/security-alarm-turn-on-light-and-buzzer/8134)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 3\
**Last updated:** [19 February 2019 08:50 UTC](https://discourse.nodered.org/t/security-alarm-turn-on-light-and-buzzer/8134 "2019-02-19T08:50:19Z")

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Hello, As a school project I am making a home security alarm. Im new to Node-red and dont understand everything yet. I am using a PIR sensor and when it detects motion, the lights and buzzer should turn on. However I…

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## [Please help me..pilcd doesn't work(raspberry pi+16x2lcd)](https://discourse.nodered.org/t/please-help-me-pilcd-doesnt-work-raspberry-pi-16x2lcd/8131)

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**Author:** [@Grace1](https://discourse.nodered.org/u/Grace1)\
**Replies:** 2\
**Last updated:** [19 February 2019 08:48 UTC](https://discourse.nodered.org/t/please-help-me-pilcd-doesnt-work-raspberry-pi-16x2lcd/8131 "2019-02-19T08:48:17Z")

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↑ i tryed this node for show up messege on LCD( 16x2 lcdhd44780) i tryed flow ↓ \[{"id":"54e5768f.a73fd8","type":"rpi-lcd","z":"fb042b83.1102b8","name":"To LCD","pins":"16,18,32,36,38,40","x":1040,"y":300,"wires":\[\]},…

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## [How to make an IoT protocol (parsing, answering)?](https://discourse.nodered.org/t/how-to-make-an-iot-protocol-parsing-answering/7691)

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**Author:** [@jycemea](https://discourse.nodered.org/u/jycemea)\
**Replies:** 114\
**Last updated:** [18 February 2019 18:51 UTC](https://discourse.nodered.org/t/how-to-make-an-iot-protocol-parsing-answering/7691 "2019-02-18T18:51:52Z")

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Hi, I'm a beginner with Node-Red. I got a project ... pretty complicate to execute (to me). I need to authentify 1 device, to accept or not the connexion (comparing ID to db), to parse the datas I received from the devi…

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## [Is there a guide for Node-RED cluster?](https://discourse.nodered.org/t/is-there-a-guide-for-node-red-cluster/8087)

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**Author:** [@fangzhu](https://discourse.nodered.org/u/fangzhu)\
**Replies:** 3\
**Last updated:** [19 February 2019 05:42 UTC](https://discourse.nodered.org/t/is-there-a-guide-for-node-red-cluster/8087 "2019-02-19T05:42:42Z")

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I want to run Node-RED on cluster. Is there a guide or code provided by Node-RED for that? Or would I need to create my own Node-RED cluster based on Node.js? I found one on the wiki: But the last update was almos…

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## [NLC node fails to connect NLC instance on IBM Cloud Round#2](https://discourse.nodered.org/t/nlc-node-fails-to-connect-nlc-instance-on-ibm-cloud-round-2/8126)

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**Author:** [@oosawak1975](https://discourse.nodered.org/u/oosawak1975)\
**Replies:** 0\
**Last updated:** [19 February 2019 01:26 UTC](https://discourse.nodered.org/t/nlc-node-fails-to-connect-nlc-instance-on-ibm-cloud-round-2/8126 "2019-02-19T01:26:02Z")

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Starting from around Jan 11th, 2019, NLC node fails to connect NLC instance on IBM Cloud. It was working until Dec 2018. This issue happens on multiple NLC instances on IBM Cloud. Here is the step to reproduce. Deploy…

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## [UAObjecttype already declared](https://discourse.nodered.org/t/uaobjecttype-already-declared/8094)

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**Author:** [@RajCh](https://discourse.nodered.org/u/RajCh)\
**Replies:** 5\
**Last updated:** [18 February 2019 22:16 UTC](https://discourse.nodered.org/t/uaobjecttype-already-declared/8094 "2019-02-18T22:16:43Z")

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## [Instrumentation](https://discourse.nodered.org/t/instrumentation/8104)

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**Author:** [@Adao\_Branco](https://discourse.nodered.org/u/Adao_Branco)\
**Replies:** 0\
**Last updated:** [18 February 2019 15:03 UTC](https://discourse.nodered.org/t/instrumentation/8104 "2019-02-18T15:03:50Z")

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Hello, someone already managed on the node-red communicate via rs232 (usb) and read the temperature data in keithley 2700 and send it to a sheet (excel). Communicate via rs232 (usb) to the Infratek 106A and read the powe…

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## [Launch Node-Red project On windows Start](https://discourse.nodered.org/t/launch-node-red-project-on-windows-start/8045)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 9\
**Last updated:** [18 February 2019 13:35 UTC](https://discourse.nodered.org/t/launch-node-red-project-on-windows-start/8045 "2019-02-18T13:35:46Z")

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i have windows 10 on my machine. I wonder how can i launch such project when windows start??

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## [Automatic restart Node Red on Linux](https://discourse.nodered.org/t/automatic-restart-node-red-on-linux/8011)

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**Author:** [@ovibro](https://discourse.nodered.org/u/ovibro)\
**Replies:** 7\
**Last updated:** [18 February 2019 10:40 UTC](https://discourse.nodered.org/t/automatic-restart-node-red-on-linux/8011 "2019-02-18T10:40:11Z")

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Hi, How can i do an Automatic restart for Node Red on Linux at a certain time of day. I have an application that reads on modbus using node-red-contrib-modbus and sometimes forgets to read the data, and i hope that thi…

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## [Hide phantomjs.exe](https://discourse.nodered.org/t/hide-phantomjs-exe/8096)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 2\
**Last updated:** [18 February 2019 10:03 UTC](https://discourse.nodered.org/t/hide-phantomjs-exe/8096 "2019-02-18T10:03:08Z")

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i have installed pm2 and i have windows 10 system.i noticed that when i creat a pdf file phantomjs.exe command line appears. How can i hide it.

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## [Display output message from several inputs](https://discourse.nodered.org/t/display-output-message-from-several-inputs/8073)

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**Author:** [@Sin](https://discourse.nodered.org/u/Sin)\
**Replies:** 7\
**Last updated:** [18 February 2019 01:53 UTC](https://discourse.nodered.org/t/display-output-message-from-several-inputs/8073 "2019-02-18T01:53:51Z")

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Hi everyone. I need to get the output message from several inputs (3 or 4 inputs). For example, I got two different mental commands which are shown in the picture below. I need to display the message based on which menta…

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## [Trying to post a LoRa message to my server](https://discourse.nodered.org/t/trying-to-post-a-lora-message-to-my-server/8020)

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**Author:** [@hjojohan](https://discourse.nodered.org/u/hjojohan)\
**Replies:** 17\
**Last updated:** [17 February 2019 20:29 UTC](https://discourse.nodered.org/t/trying-to-post-a-lora-message-to-my-server/8020 "2019-02-17T20:29:28Z")

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Hi I am trying to post a message from the 'lora' node to my server using HTTP. I can see that the msg is ok in the debug window in a paralell msgnode but at my server only garbage charachters arrive.. What am I doing wr…

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## [Conditional Timing Logic best practice](https://discourse.nodered.org/t/conditional-timing-logic-best-practice/8015)

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**Author:** [@RichardU](https://discourse.nodered.org/u/RichardU)\
**Replies:** 3\
**Last updated:** [17 February 2019 20:14 UTC](https://discourse.nodered.org/t/conditional-timing-logic-best-practice/8015 "2019-02-17T20:14:19Z")

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I'm creating a trigger based on event X. However, I only want to activate the trigger if event Y has not happened in the last, say 5 minutes. In other words, every time event Y happens, kill my trigger for 5 minutes. W…

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## [Convert message to JSON problem](https://discourse.nodered.org/t/convert-message-to-json-problem/8076)

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**Author:** [@mgalazka](https://discourse.nodered.org/u/mgalazka)\
**Replies:** 1\
**Last updated:** [17 February 2019 19:37 UTC](https://discourse.nodered.org/t/convert-message-to-json-problem/8076 "2019-02-17T19:37:10Z")

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Hello, I'm trying to convert string to JSON. The string is a message which Node Red receives via UDP. The message is: {"method": "GET", "address": "192.168.0.14/api/getdata"} Debugger says - "Unexpected token in JSON…

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