# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1296

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

**Page:** 1297

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## [Transfer data from Python Script to the Cloud using Node Red](https://discourse.nodered.org/t/transfer-data-from-python-script-to-the-cloud-using-node-red/9734)

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**Author:** [@xoani](https://discourse.nodered.org/u/xoani)\
**Replies:** 9\
**Last updated:** [5 April 2019 06:54 UTC](https://discourse.nodered.org/t/transfer-data-from-python-script-to-the-cloud-using-node-red/9734 "2019-04-05T06:54:16Z")

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I am running a Python Script on a Raspberry Pi to get the data measured by a Smart Plug (voltage, current, energy, power). This data is being printed on the terminal of the Raspberry Pi, but what I need is to send it to …

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## [Custom UI node cannot access changed path](https://discourse.nodered.org/t/custom-ui-node-cannot-access-changed-path/9667)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 3\
**Last updated:** [4 April 2019 21:44 UTC](https://discourse.nodered.org/t/custom-ui-node-cannot-access-changed-path/9667 "2019-04-04T21:44:48Z")

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Hi folks, Got an issue on Github for my node-red-contrib-ui-heatmap node. After some discussions and digging into the code, it seems there are a few things incorrect in my node, but I'm running out of ideas ... This i…

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## [Optimization Of Buffer Conversion](https://discourse.nodered.org/t/optimization-of-buffer-conversion/9754)

<div class="topic-metadata">

**Author:** [@seth350](https://discourse.nodered.org/u/seth350)\
**Replies:** 3\
**Last updated:** [4 April 2019 20:58 UTC](https://discourse.nodered.org/t/optimization-of-buffer-conversion/9754 "2019-04-04T20:58:25Z")

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More of a programming topic, but I felt that the good people here could give their advice. I have a JSONArray buffer that is received by a tcp node, like so: \[2,115,99,97,110,110,101,114,9,48,10,90,111,110,101,49,9,56,…

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## [Custom UI node not visible in dashboard-sidebar](https://discourse.nodered.org/t/custom-ui-node-not-visible-in-dashboard-sidebar/9666)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 10\
**Last updated:** [4 April 2019 20:49 UTC](https://discourse.nodered.org/t/custom-ui-node-not-visible-in-dashboard-sidebar/9666 "2019-04-04T20:49:55Z")

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Hi folks, Got an issue on Github for my node-red-contrib-ui-heatmap node. After some discussions and digging into the code, it seems there are a few things incorrect in my node. ut I'm running out of ideas ... This i…

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## [Updating NR. What I thought should work doesn't](https://discourse.nodered.org/t/updating-nr-what-i-thought-should-work-doesnt/9756)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [4 April 2019 20:21 UTC](https://discourse.nodered.org/t/updating-nr-what-i-thought-should-work-doesnt/9756 "2019-04-04T20:21:38Z")

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I know....... I have had problems updating NR on my machines before and so when I finally got a definitive command, I saved it and used it to update all machines. Said command: bash \<(curl -sL https://raw.githubuserco…

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## [Node red with microservices](https://discourse.nodered.org/t/node-red-with-microservices/9763)

<div class="topic-metadata">

**Author:** [@Arth](https://discourse.nodered.org/u/Arth)\
**Replies:** 11\
**Last updated:** [4 April 2019 14:09 UTC](https://discourse.nodered.org/t/node-red-with-microservices/9763 "2019-04-04T14:09:31Z")

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Hello, I would like to do following example: I would like to have my own microservice - for example - /weater?location=? (and how can I do that "?" would be changed to wanted location in node red?) - then in other node…

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## [Postgres Node missing](https://discourse.nodered.org/t/postgres-node-missing/9324)

<div class="topic-metadata">

**Author:** [@wikus](https://discourse.nodered.org/u/wikus)\
**Replies:** 4\
**Last updated:** [4 April 2019 12:55 UTC](https://discourse.nodered.org/t/postgres-node-missing/9324 "2019-04-04T12:55:54Z")

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Hi, I have been using the node-red-contrib-postgres node in various projects, but I noticed today that it is now not in the palette or on Node-RED Library anymore? Does anyone know what is happening with this node? Sh…

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## [Timestamp in specific time error](https://discourse.nodered.org/t/timestamp-in-specific-time-error/9772)

<div class="topic-metadata">

**Author:** [@JokinSegu](https://discourse.nodered.org/u/JokinSegu)\
**Replies:** 5\
**Last updated:** [4 April 2019 12:53 UTC](https://discourse.nodered.org/t/timestamp-in-specific-time-error/9772 "2019-04-04T12:53:16Z")

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I am trying to send a signal in hour I want every day but if I put 14:30 it sends at 16:30, and if I put it 12:30 it sends at 14:30. How can I correct that?

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## [Get firebase auto-generated ID via msg.payload](https://discourse.nodered.org/t/get-firebase-auto-generated-id-via-msg-payload/9765)

<div class="topic-metadata">

**Author:** [@heliocosta](https://discourse.nodered.org/u/heliocosta)\
**Replies:** 1\
**Last updated:** [4 April 2019 10:23 UTC](https://discourse.nodered.org/t/get-firebase-auto-generated-id-via-msg-payload/9765 "2019-04-04T10:23:23Z")

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Hi there, I've worked with Firebase as my database and user authentication. For my project, it's necessary to use the auto-generated ID from firebase. I've tried with no success to get the id via msg.payload. How …

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## [Average bars node issue](https://discourse.nodered.org/t/average-bars-node-issue/9751)

<div class="topic-metadata">

**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 3\
**Last updated:** [4 April 2019 07:59 UTC](https://discourse.nodered.org/t/average-bars-node-issue/9751 "2019-04-04T07:59:11Z")

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Hello, I’ve implemended the average bars node into my node-red project but there is one issue. It looks to me that all average values is linked to the wrong x legend when using Daily display. Values seems to be logged o…

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## [X-axis of line chart has a different scale after reloading page](https://discourse.nodered.org/t/x-axis-of-line-chart-has-a-different-scale-after-reloading-page/9481)

<div class="topic-metadata">

**Author:** [@maxwebbi](https://discourse.nodered.org/u/maxwebbi)\
**Replies:** 5\
**Last updated:** [4 April 2019 07:34 UTC](https://discourse.nodered.org/t/x-axis-of-line-chart-has-a-different-scale-after-reloading-page/9481 "2019-04-04T07:34:40Z")

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I want to visualize some data that i receive from a mqtt broker. So far this is working and I can display the values in a line chart But when I reload the page my complete line chart has a different scale on the x-axi…

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## [Gauge output not clear what is going on](https://discourse.nodered.org/t/gauge-output-not-clear-what-is-going-on/9716)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [4 April 2019 03:29 UTC](https://discourse.nodered.org/t/gauge-output-not-clear-what-is-going-on/9716 "2019-04-04T03:29:43Z")

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I don't get what is happening with this dashboard/gauge. It is a RPI Raspberry Pi 3 Model B Rev 1.2 But the numbers going into the gauge and what the gauge is showing differ. Sending load as separate or overall makes…

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## [Dynamic input for Range node](https://discourse.nodered.org/t/dynamic-input-for-range-node/3091)

<div class="topic-metadata">

**Author:** [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Replies:** 9\
**Last updated:** [3 April 2019 21:26 UTC](https://discourse.nodered.org/t/dynamic-input-for-range-node/3091 "2019-04-03T21:26:29Z")

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I found that it might be useful if Range node had option to set input range values dynamically. Why? For example I have a set of numeric data and it changes daily. So min and max are different for each day. For graphic…

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## [My "Project History" tab stopped working, and is now a completely gray panel](https://discourse.nodered.org/t/my-project-history-tab-stopped-working-and-is-now-a-completely-gray-panel/9736)

<div class="topic-metadata">

**Author:** [@rando](https://discourse.nodered.org/u/rando)\
**Replies:** 2\
**Last updated:** [3 April 2019 15:30 UTC](https://discourse.nodered.org/t/my-project-history-tab-stopped-working-and-is-now-a-completely-gray-panel/9736 "2019-04-03T15:30:03Z")

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Today when I went to push some new changes to git hub I noticed that when I clicked the project history tab it doesn't populate, it is just a gray rectangle. Up to this point it's been working great, and I've made dozen…

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## [Parsing txt file](https://discourse.nodered.org/t/parsing-txt-file/9721)

<div class="topic-metadata">

**Author:** [@SmartCanteen](https://discourse.nodered.org/u/SmartCanteen)\
**Replies:** 4\
**Last updated:** [3 April 2019 15:30 UTC](https://discourse.nodered.org/t/parsing-txt-file/9721 "2019-04-03T15:30:01Z")

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Hello there , I am new to Node-red and I\`d like to know how do I can parse text from a file and display it on my dashboard ... My dashboard is ready and working but idk how to parse the "Menu1" word from my txt file ... …

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## [Time scheduled light sequence](https://discourse.nodered.org/t/time-scheduled-light-sequence/9606)

<div class="topic-metadata">

**Author:** [@Ben](https://discourse.nodered.org/u/Ben)\
**Replies:** 3\
**Last updated:** [3 April 2019 15:25 UTC](https://discourse.nodered.org/t/time-scheduled-light-sequence/9606 "2019-04-03T15:25:59Z")

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Hello, im still pretty new to Node-RED and hoped maybe someone with a bit more experience could help me with a problem im trying to solve. I have made a light sequence combined with a audio clip. Timestamp is set to g…

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## [Triggering a new flow](https://discourse.nodered.org/t/triggering-a-new-flow/9584)

<div class="topic-metadata">

**Author:** [@KevinPamu](https://discourse.nodered.org/u/KevinPamu)\
**Replies:** 2\
**Last updated:** [3 April 2019 14:32 UTC](https://discourse.nodered.org/t/triggering-a-new-flow/9584 "2019-04-03T14:32:26Z")

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I have been going through the forum to find a solution. I need to trigger another flow B when I finish a certain task on flow A. I read a little about sub-flows but not quite sure what is the best practice to do this. An…

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## [Help with a function node](https://discourse.nodered.org/t/help-with-a-function-node/4836)

<div class="topic-metadata">

**Author:** [@RackIoT](https://discourse.nodered.org/u/RackIoT)\
**Replies:** 27\
**Last updated:** [3 April 2019 12:55 UTC](https://discourse.nodered.org/t/help-with-a-function-node/4836 "2019-04-03T12:55:38Z")

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HI All I am busy getting to grips with JS and node-red and am studiying several sources to get up to speed, but I am after a little help with writing a function in the mean time. Into the function node I have 2 feeds a…

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## [Libav-tools installation](https://discourse.nodered.org/t/libav-tools-installation/9717)

<div class="topic-metadata">

**Author:** [@lodv](https://discourse.nodered.org/u/lodv)\
**Replies:** 14\
**Last updated:** [3 April 2019 11:35 UTC](https://discourse.nodered.org/t/libav-tools-installation/9717 "2019-04-03T11:35:10Z")

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I'm new with node-red. I'm following the instructions on https://youtu.be/ihZWrJmbGFY I installed the libav-tools as instructed, I can open the program on the Raspberry Pi with avconv. I created the folder and edited …

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## [Variable delay (again) Yeah, sorry](https://discourse.nodered.org/t/variable-delay-again-yeah-sorry/9714)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [3 April 2019 09:58 UTC](https://discourse.nodered.org/t/variable-delay-again-yeah-sorry/9714 "2019-04-03T09:58:11Z")

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To start with: Sorry. I don't get what has happened but something is going on. Back story: I asked a long time ago about how to make an adjustable frequency output from the delay node. I looked in my post/question…

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## [PLC, json get and post](https://discourse.nodered.org/t/plc-json-get-and-post/9662)

<div class="topic-metadata">

**Author:** [@ALeman](https://discourse.nodered.org/u/ALeman)\
**Replies:** 6\
**Last updated:** [3 April 2019 06:30 UTC](https://discourse.nodered.org/t/plc-json-get-and-post/9662 "2019-04-03T06:30:57Z")

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Hey, I'm new to Node-RED. My goal is to communicate between a webservice and a PLC. I have been succesful in putting data into the PLC. The post will be a bunch of parameters to be stored in the PLC. Any suggestions on…

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## [Version issues with connecting to hyperledger fabric](https://discourse.nodered.org/t/version-issues-with-connecting-to-hyperledger-fabric/7100)

<div class="topic-metadata">

**Author:** [@dicontas](https://discourse.nodered.org/u/dicontas)\
**Replies:** 10\
**Last updated:** [2 April 2019 20:45 UTC](https://discourse.nodered.org/t/version-issues-with-connecting-to-hyperledger-fabric/7100 "2019-04-02T20:45:31Z")

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Hi, I am trying to connect 0.19.5 node-red to hyperledger fabric 1.2.1 or above. Getting connection errors such as: \[error\] \[hyperledger-composer-in:composer in admin@carauction-network\] Error: Error trying to ping. E…

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## [Problem with using the MQTT node](https://discourse.nodered.org/t/problem-with-using-the-mqtt-node/9688)

<div class="topic-metadata">

**Author:** [@AAAAnT](https://discourse.nodered.org/u/AAAAnT)\
**Replies:** 3\
**Last updated:** [2 April 2019 13:36 UTC](https://discourse.nodered.org/t/problem-with-using-the-mqtt-node/9688 "2019-04-02T13:36:30Z")

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I'm having a problem with the MQTT node, as the title suggests. I can't give the flow for specific reasons, but it goes about as follows: The flow receives data from a non-problematic MQTT (input) node, with a set IP, …

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## [Timer the Switch with mysql database](https://discourse.nodered.org/t/timer-the-switch-with-mysql-database/9650)

<div class="topic-metadata">

**Author:** [@hebergeweb](https://discourse.nodered.org/u/hebergeweb)\
**Replies:** 19\
**Last updated:** [2 April 2019 13:33 UTC](https://discourse.nodered.org/t/timer-the-switch-with-mysql-database/9650 "2019-04-02T13:33:13Z")

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Hi, in my flow if I open the switch I go through MySQL database to get the last value of field level after it sends value to the function FN to recover this value as a time remains the switch running. I take an example…

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## [Passing JSON object (as string) to python script (exec node)](https://discourse.nodered.org/t/passing-json-object-as-string-to-python-script-exec-node/9680)

<div class="topic-metadata">

**Author:** [@elisascheer](https://discourse.nodered.org/u/elisascheer)\
**Replies:** 1\
**Last updated:** [2 April 2019 06:45 UTC](https://discourse.nodered.org/t/passing-json-object-as-string-to-python-script-exec-node/9680 "2019-04-02T06:45:38Z")

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Hi, I have a PLC which sends message object with json object payload. For example : {"payload" : { "DB1" : "value" } } I want to pass msg.payload to an exec python node as an argument. But as we can't pass object dire…

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## [I'm not able to configure the SenseHat to the temperature,SenseHat is showing as disconnected](https://discourse.nodered.org/t/im-not-able-to-configure-the-sensehat-to-the-temperature-sensehat-is-showing-as-disconnected/9476)

<div class="topic-metadata">

**Author:** [@Anurenjini](https://discourse.nodered.org/u/Anurenjini)\
**Replies:** 11\
**Last updated:** [2 April 2019 07:24 UTC](https://discourse.nodered.org/t/im-not-able-to-configure-the-sensehat-to-the-temperature-sensehat-is-showing-as-disconnected/9476 "2019-04-02T07:24:24Z")

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## [Graph or chart for real time variables](https://discourse.nodered.org/t/graph-or-chart-for-real-time-variables/9182)

<div class="topic-metadata">

**Author:** [@asharm0502](https://discourse.nodered.org/u/asharm0502)\
**Replies:** 4\
**Last updated:** [2 April 2019 06:56 UTC](https://discourse.nodered.org/t/graph-or-chart-for-real-time-variables/9182 "2019-04-02T06:56:53Z")

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I am very new to the node-red world. I want to create a graph between two real time variables. I do not want time axis. In place of time axis I want to use real time data from the sensor. For example pressure vs Temperat…

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## [Node-RED 0.18.5 released](https://discourse.nodered.org/t/node-red-0-18-5-released/34)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 9\
**Last updated:** [12 May 2018 23:12 UTC](https://discourse.nodered.org/t/node-red-0-18-5-released/34 "2018-05-12T23:12:23Z")

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We have just published a new maintenance release - https://github.com/node-red/node-red/releases/tag/0.18.5 Some particular highlights: if you have Projects enabled, the welcome screen now lets you clone an existing p…

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## [Add category url to palette manager](https://discourse.nodered.org/t/add-category-url-to-palette-manager/134)

<div class="topic-metadata">

**Author:** [@gbiv4](https://discourse.nodered.org/u/gbiv4)\
**Replies:** 2\
**Last updated:** [2 April 2019 04:36 UTC](https://discourse.nodered.org/t/add-category-url-to-palette-manager/134 "2019-04-02T04:36:25Z")

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Hi all, I’m wanting to add my own nodes that I host somewhere like github, to an instance of node-red. I saw the Palette management UI design wiki and one of the feature requests/design items describes configuring the …

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## [Node-red-node-sensortag not working on Mac OS 10.14.4](https://discourse.nodered.org/t/node-red-node-sensortag-not-working-on-mac-os-10-14-4/9641)

<div class="topic-metadata">

**Author:** [@piersbarrios](https://discourse.nodered.org/u/piersbarrios)\
**Replies:** 7\
**Last updated:** [1 April 2019 22:11 UTC](https://discourse.nodered.org/t/node-red-node-sensortag-not-working-on-mac-os-10-14-4/9641 "2019-04-01T22:11:37Z")

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Hello, After multiple attempts, I'm turning towards you... I'm trying to use my TI sensortag on Node-Red but it keeps hanging on "discovering..." My sensortag is up and the info on it (physical sticker) is: 1.7.2.8 B…

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