# Latest

**URL:** https://discourse.nodered.org/latest.md?page=977

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

**Page:** 978

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## [Sonoff TH with SI7021 humidity sensor](https://discourse.nodered.org/t/sonoff-th-with-si7021-humidity-sensor/33260)

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**Author:** [@jepe63](https://discourse.nodered.org/u/jepe63)\
**Replies:** 14\
**Last updated:** [16 October 2020 17:12 UTC](https://discourse.nodered.org/t/sonoff-th-with-si7021-humidity-sensor/33260 "2020-10-16T17:12:46Z")

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Hi all, I've got an sonoff TH (tasmota) switch with an SI7021 temperature and humidity sensor on it I would like to create a node that switches the sonoff on when reaching an max humitidy so it can start a fan, and of …

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## [Help for checkboxes on ui template node missing](https://discourse.nodered.org/t/help-for-checkboxes-on-ui-template-node-missing/34357)

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**Author:** [@moebius](https://discourse.nodered.org/u/moebius)\
**Replies:** 0\
**Last updated:** [16 October 2020 16:22 UTC](https://discourse.nodered.org/t/help-for-checkboxes-on-ui-template-node-missing/34357 "2020-10-16T16:22:50Z")

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I couldnt find a help entry for the 3 checkboxes on the ui-template node (v 1.21). The reason i'm asking is, cause i had some changed behavior since the last update (pre 1.0) and it seems something was changed in that a…

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## [Node-red-node-ui-webcam](https://discourse.nodered.org/t/node-red-node-ui-webcam/34350)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 1\
**Last updated:** [16 October 2020 16:12 UTC](https://discourse.nodered.org/t/node-red-node-ui-webcam/34350 "2020-10-16T16:12:30Z")

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For a workshop I'm doing in a couple weeks, I needed to create a simple photo booth type app in the dashboard. Whilst I could do it with a ui\_template node, I thought it would be useful to have a node that wrapped up ac…

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## [\[ANNOUNCE\] node-red-contrib-pisupply-pijuice-pis0212](https://discourse.nodered.org/t/announce-node-red-contrib-pisupply-pijuice-pis0212/34355)

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**Author:** [@VinceMulhollon](https://discourse.nodered.org/u/VinceMulhollon)\
**Replies:** 0\
**Last updated:** [16 October 2020 16:01 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-pisupply-pijuice-pis0212/34355 "2020-10-16T16:01:04Z")

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Announcing node-red-contrib-pisupply-pijuice-pis0212 which provides working nodes for a pijuice "UPS shield" for a Raspberry Pi. After installing the pijuice shield and getting the pijuice\_cli control program working, c…

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## [Custom node not working after full deploy](https://discourse.nodered.org/t/custom-node-not-working-after-full-deploy/34243)

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**Author:** [@GvB](https://discourse.nodered.org/u/GvB)\
**Replies:** 2\
**Last updated:** [16 October 2020 14:24 UTC](https://discourse.nodered.org/t/custom-node-not-working-after-full-deploy/34243 "2020-10-16T14:24:46Z")

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Hi all, I just started working on creating my own nodes in node-red. I created my own implementation of the http-in node. The node I created listens to a post request coming from a client. In my callback I use the me…

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## [Dashboard - Query if someone is viewing only](https://discourse.nodered.org/t/dashboard-query-if-someone-is-viewing-only/34346)

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**Author:** [@spyder0552](https://discourse.nodered.org/u/spyder0552)\
**Replies:** 2\
**Last updated:** [16 October 2020 12:56 UTC](https://discourse.nodered.org/t/dashboard-query-if-someone-is-viewing-only/34346 "2020-10-16T12:56:09Z")

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Hi all, So I have some great dashboards built. However, I have a lot of inject nodes running every few seconds to query a database and display data. My question is, is there something I can do to check if someone is ac…

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## [Sending slider value inside template](https://discourse.nodered.org/t/sending-slider-value-inside-template/34314)

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**Author:** [@nezoo](https://discourse.nodered.org/u/nezoo)\
**Replies:** 6\
**Last updated:** [16 October 2020 12:22 UTC](https://discourse.nodered.org/t/sending-slider-value-inside-template/34314 "2020-10-16T12:22:02Z")

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Is it possible to send a variable in response to get request ???? \[{"id":"1c7fe071.dd4f98","type":"tab","label":"api sim","disabled":false,"info":""},{"id":"42d886d.2fab478","type":"http in","z":"1c7fe071.dd4f98","name…

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## [Button texts don't show occasionally / go missing](https://discourse.nodered.org/t/button-texts-dont-show-occasionally-go-missing/33488)

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**Author:** [@stoffers](https://discourse.nodered.org/u/stoffers)\
**Replies:** 1\
**Last updated:** [16 October 2020 11:49 UTC](https://discourse.nodered.org/t/button-texts-dont-show-occasionally-go-missing/33488 "2020-10-16T11:49:35Z")

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Hi, I use the buttons for several of my lights. In the dashboard page they show up and functionally work, so icons, messages received and sent do work, however occastionally, the button texts don't show. Example what t…

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## [Additional Setup for SMTP Server Node](https://discourse.nodered.org/t/additional-setup-for-smtp-server-node/34155)

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**Author:** [@Farnish](https://discourse.nodered.org/u/Farnish)\
**Replies:** 14\
**Last updated:** [16 October 2020 10:21 UTC](https://discourse.nodered.org/t/additional-setup-for-smtp-server-node/34155 "2020-10-16T10:21:49Z")

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Regarding the solution below from a previously closed topic (ristomatti), could someone provide additional information on how to receive local emails using this SMTP server function node? How do you setup an MX record …

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## [How to dynamically provide port name in serialrequest node](https://discourse.nodered.org/t/how-to-dynamically-provide-port-name-in-serialrequest-node/34338)

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**Author:** [@swetha25](https://discourse.nodered.org/u/swetha25)\
**Replies:** 1\
**Last updated:** [16 October 2020 09:30 UTC](https://discourse.nodered.org/t/how-to-dynamically-provide-port-name-in-serialrequest-node/34338 "2020-10-16T09:30:11Z")

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I'm trying to dynamically enter com details for a serial port. While msg.baudrate is working while injected. Msg.port cannot be injected into the node. Serial port details if not explicitly mentioned in the serial reques…

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## [HX711 strain gauge](https://discourse.nodered.org/t/hx711-strain-gauge/34333)

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**Author:** [@John\_Barry](https://discourse.nodered.org/u/John_Barry)\
**Replies:** 0\
**Last updated:** [16 October 2020 06:33 UTC](https://discourse.nodered.org/t/hx711-strain-gauge/34333 "2020-10-16T06:33:00Z")

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Hi, I am building a scale that has 2 x servo motors on a swivel so when a weight is between range 1,2,3 etc the platform will tilt and the object will fall in the appropriate direction. I have used the example.py scrip…

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## [OPC UA client node error](https://discourse.nodered.org/t/opc-ua-client-node-error/33222)

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**Author:** [@John\_Barry](https://discourse.nodered.org/u/John_Barry)\
**Replies:** 3\
**Last updated:** [16 October 2020 06:23 UTC](https://discourse.nodered.org/t/opc-ua-client-node-error/33222 "2020-10-16T06:23:18Z")

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Hi, I have a working flow reading values from a PLC using OPC UA. The debug node returns the correct value but is followed by an error message "Client node error on: PLC" Any ideas why this error is there? 9/23/2020,…

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## [Push Notification Home Assistant when Deploy](https://discourse.nodered.org/t/push-notification-home-assistant-when-deploy/34319)

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**Author:** [@CAL37](https://discourse.nodered.org/u/CAL37)\
**Replies:** 1\
**Last updated:** [16 October 2020 02:32 UTC](https://discourse.nodered.org/t/push-notification-home-assistant-when-deploy/34319 "2020-10-16T02:32:56Z")

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When you deploy a flow that has a node for a push notification to home assistant via android, why does it send the notification? Is there a way to stop that? I was modifying my washer notifications and every time I made…

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## [Http get request keep alive for auto login use](https://discourse.nodered.org/t/http-get-request-keep-alive-for-auto-login-use/34323)

<div class="topic-metadata">

**Author:** [@ChillXXL](https://discourse.nodered.org/u/ChillXXL)\
**Replies:** 0\
**Last updated:** [15 October 2020 21:34 UTC](https://discourse.nodered.org/t/http-get-request-keep-alive-for-auto-login-use/34323 "2020-10-15T21:34:52Z")

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I am trying to automate log in on my router to retrieve connection info and log out again. I made 2 connection functions (2 x bundle of a couple of nodes with each a manual trigger node): get request to retrieve a hid…

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## [UI Page Won't Load](https://discourse.nodered.org/t/ui-page-wont-load/34321)

<div class="topic-metadata">

**Author:** [@psalibe](https://discourse.nodered.org/u/psalibe)\
**Replies:** 0\
**Last updated:** [15 October 2020 21:01 UTC](https://discourse.nodered.org/t/ui-page-wont-load/34321 "2020-10-15T21:01:43Z")

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We cannot access the ui page for our node-red flows. In experimenting with various methods of trouble shooting, the port :1880 was changed to :1881. When accessing 192.168.0.81:1881 to get to the general node-red flow pa…

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## [Not possible to use sqlite3 locally with node-red-node-sqlite anymore?](https://discourse.nodered.org/t/not-possible-to-use-sqlite3-locally-with-node-red-node-sqlite-anymore/34318)

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**Author:** [@moarli](https://discourse.nodered.org/u/moarli)\
**Replies:** 11\
**Last updated:** [15 October 2020 19:55 UTC](https://discourse.nodered.org/t/not-possible-to-use-sqlite3-locally-with-node-red-node-sqlite-anymore/34318 "2020-10-15T19:55:59Z")

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Do I really have to use https://www.sqlitedb.com/ to use node-red-node-sqlite? I've found a lot of tutorials and it seems like everyone is using a local instance of sqlite3, but I just can't add a local database. It asks…

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## [Node-red-contrib-s7 LOGO! 7 (0BA7)](https://discourse.nodered.org/t/node-red-contrib-s7-logo-7-0ba7/34309)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 0\
**Last updated:** [15 October 2020 16:52 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-logo-7-0ba7/34309 "2020-10-15T16:52:35Z")

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Hello Has anyone already used the node-red-contrib-s7 module to control a Siemens LOGO! 7 (0BA7 standard)? The communication with a LOGO!8 (0BA8) works perfectly. Node Red always says that the logo7 is online but no ac…

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## [Turning off a rogue Sonoff Light switch](https://discourse.nodered.org/t/turning-off-a-rogue-sonoff-light-switch/34192)

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**Author:** [@kandissa](https://discourse.nodered.org/u/kandissa)\
**Replies:** 17\
**Last updated:** [15 October 2020 17:54 UTC](https://discourse.nodered.org/t/turning-off-a-rogue-sonoff-light-switch/34192 "2020-10-15T17:54:04Z")

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I run Node-RED on my Home Assistant. I have a Sonoff 4 CH Pro relay installed in my bedroom. It controls 4 switches, one of which is the bedroom light. It has recently gone, well, "rogue". It switches on and off comple…

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## [How can I limit a simple math function to 2 decimal places](https://discourse.nodered.org/t/how-can-i-limit-a-simple-math-function-to-2-decimal-places/34294)

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**Author:** [@AD2TM](https://discourse.nodered.org/u/AD2TM)\
**Replies:** 9\
**Last updated:** [15 October 2020 17:05 UTC](https://discourse.nodered.org/t/how-can-i-limit-a-simple-math-function-to-2-decimal-places/34294 "2020-10-15T17:05:41Z")

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I have some temperature/humidity sensors, AM2301 and DS18B20, setup and working just fine I "borrowed a flow I found here o0n Node Red forums. In that flow the author parsed out the temp from the humidity, In his script…

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## [SSL certification with acme-sh and node-red](https://discourse.nodered.org/t/ssl-certification-with-acme-sh-and-node-red/34295)

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**Author:** [@seeQuayah](https://discourse.nodered.org/u/seeQuayah)\
**Replies:** 5\
**Last updated:** [15 October 2020 16:59 UTC](https://discourse.nodered.org/t/ssl-certification-with-acme-sh-and-node-red/34295 "2020-10-15T16:59:43Z")

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Hello everyone, I'm trying to get SSL certificates for my node-red app. What I have done already: Configuring a domain name for my app -\> my-super-app.com Redirect the http port (80) to the port of my app. So when I …

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## [How to concatenate arrays](https://discourse.nodered.org/t/how-to-concatenate-arrays/464)

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**Author:** [@imadouino](https://discourse.nodered.org/u/imadouino)\
**Replies:** 15\
**Last updated:** [15 October 2020 16:24 UTC](https://discourse.nodered.org/t/how-to-concatenate-arrays/464 "2020-10-15T16:24:41Z")

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Hi, How i can to concatenate 2 or 3 output(array 1D) of Modbus TCP client node in one array(1D) ? example : Modbus1 =\> msg.payload =\> \[ 0, 0, 76, 71, 13 \] and Modbus2 =\> msg.payload =\> \[ 5, 2, 5, 54, 21 \] Modbus3 =\> …

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## [Show API's response in Node UI](https://discourse.nodered.org/t/show-apis-response-in-node-ui/3424)

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**Author:** [@nitinmax10](https://discourse.nodered.org/u/nitinmax10)\
**Replies:** 20\
**Last updated:** [15 October 2020 11:18 UTC](https://discourse.nodered.org/t/show-apis-response-in-node-ui/3424 "2020-10-15T11:18:47Z")

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I created a function node to call REST api and response is coming from that api but I want to display (response)data in node configuration UI in html file. Is it possible to get data from js file to html?

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## [Multiple Modbus Servers Being Read](https://discourse.nodered.org/t/multiple-modbus-servers-being-read/34289)

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**Author:** [@edwardr](https://discourse.nodered.org/u/edwardr)\
**Replies:** 0\
**Last updated:** [15 October 2020 11:12 UTC](https://discourse.nodered.org/t/multiple-modbus-servers-being-read/34289 "2020-10-15T11:12:27Z")

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Hi folks, Having a nightmare at the moment. I am using Simatic S7 to set up two MB servers to be read off two devices using Node Red, one from my laptop the other from my Rasp Pi. They both have different ports 5…

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## ["http in" OPTIONS Method](https://discourse.nodered.org/t/http-in-options-method/34285)

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**Author:** [@paloky](https://discourse.nodered.org/u/paloky)\
**Replies:** 0\
**Last updated:** [15 October 2020 10:39 UTC](https://discourse.nodered.org/t/http-in-options-method/34285 "2020-10-15T10:39:18Z")

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Hi. How can I use the "OPTIONS" method in a "http in" node ?? In the "htt in" node, only I can select "get, post, put, delete or path". Exist any other module can I install for use a "option" method?? Thank a lot.

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## [Unable to install node into palette](https://discourse.nodered.org/t/unable-to-install-node-into-palette/34277)

<div class="topic-metadata">

**Author:** [@cjharrison3](https://discourse.nodered.org/u/cjharrison3)\
**Replies:** 20\
**Last updated:** [15 October 2020 09:48 UTC](https://discourse.nodered.org/t/unable-to-install-node-into-palette/34277 "2020-10-15T09:48:31Z")

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i made a flow using my windows pc then transfer it over to the pi and installed all the nodes used. i was using the ui\_media node to display the images in the dashboard even though it is showing i have installed the node…

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## [15 Graphs on UI, draining all resources](https://discourse.nodered.org/t/15-graphs-on-ui-draining-all-resources/34217)

<div class="topic-metadata">

**Author:** [@Peter\_M](https://discourse.nodered.org/u/Peter_M)\
**Replies:** 10\
**Last updated:** [15 October 2020 09:03 UTC](https://discourse.nodered.org/t/15-graphs-on-ui-draining-all-resources/34217 "2020-10-15T09:03:46Z")

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Hi All , What can I do to prevent NodeRed from hanging , I use 18 graphs to log my temps for 24hrs , and another screen for logging 15 PIR's in the house , If it's already loading the page , I usually get the 'lost conn…

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## [Track Node in Worldmap](https://discourse.nodered.org/t/track-node-in-worldmap/34272)

<div class="topic-metadata">

**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 13\
**Last updated:** [15 October 2020 07:54 UTC](https://discourse.nodered.org/t/track-node-in-worldmap/34272 "2020-10-15T07:54:18Z")

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Need support in using the node red tracker node for the Worldmap.i am unable to see lines on my map as i don't know why it is not working?pls help i also referred the documentation but many things are missing in it. …

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## [Working ui\_template button with flexible text styling](https://discourse.nodered.org/t/working-ui-template-button-with-flexible-text-styling/34249)

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**Author:** [@ozpos](https://discourse.nodered.org/u/ozpos)\
**Replies:** 2\
**Last updated:** [15 October 2020 06:07 UTC](https://discourse.nodered.org/t/working-ui-template-button-with-flexible-text-styling/34249 "2020-10-15T06:07:36Z")

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I have this: fiddle http://jsfiddle.net/c2e8rykt/2/ Which has CSS body { padding: 10px; background-color: #003; } .remote-button.onoff { height: 100%; opacity: 1; color: white; } .remote-button { border-ra…

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## [Is it possible to refer external libraries (CDN) in function node](https://discourse.nodered.org/t/is-it-possible-to-refer-external-libraries-cdn-in-function-node/34242)

<div class="topic-metadata">

**Author:** [@codecracker2020](https://discourse.nodered.org/u/codecracker2020)\
**Replies:** 3\
**Last updated:** [15 October 2020 06:17 UTC](https://discourse.nodered.org/t/is-it-possible-to-refer-external-libraries-cdn-in-function-node/34242 "2020-10-15T06:17:01Z")

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Is it possible to refer external libraries (CDN) in function node?

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## [Gps dashboard for live location](https://discourse.nodered.org/t/gps-dashboard-for-live-location/34193)

<div class="topic-metadata">

**Author:** [@bachloo.rahul](https://discourse.nodered.org/u/bachloo.rahul)\
**Replies:** 64\
**Last updated:** [14 October 2020 16:35 UTC](https://discourse.nodered.org/t/gps-dashboard-for-live-location/34193 "2020-10-14T16:35:49Z")

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Does node red have live plotting and tracking functionality for plotting gps data such as latitude and longitude on a world map for implementing into my case.my gps is sending live location in the debug window every 3 mi…

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