# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1151

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

**Page:** 1152

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## [How to put ASCII codes in strings](https://discourse.nodered.org/t/how-to-put-ascii-codes-in-strings/22218)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 1\
**Last updated:** [24 February 2020 22:15 UTC](https://discourse.nodered.org/t/how-to-put-ascii-codes-in-strings/22218 "2020-02-24T22:15:39Z")

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I know this is a dumb question and has been asked before. I've tried searching but I am lacking the ability to word the question in such a way I get the right answer. I want to include CHR$(15) in a message a few times…

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## [Node property validation function for date formatting](https://discourse.nodered.org/t/node-property-validation-function-for-date-formatting/20457)

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**Author:** [@johnwalicki](https://discourse.nodered.org/u/johnwalicki)\
**Replies:** 6\
**Last updated:** [24 February 2020 22:04 UTC](https://discourse.nodered.org/t/node-property-validation-function-for-date-formatting/20457 "2020-02-24T22:04:47Z")

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I am creating a new Node-RED node that requires a date using a yyyymmdd format. Has anyone created a node that implements a property validation function on date formatting? I want to filter out or rewrite "yyyy-mm-dd" …

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## [Sending Firebase Cloud Messages via node-red-contrib-fcm-push-node](https://discourse.nodered.org/t/sending-firebase-cloud-messages-via-node-red-contrib-fcm-push-node/22165)

<div class="topic-metadata">

**Author:** [@koverskeid](https://discourse.nodered.org/u/koverskeid)\
**Replies:** 1\
**Last updated:** [24 February 2020 21:35 UTC](https://discourse.nodered.org/t/sending-firebase-cloud-messages-via-node-red-contrib-fcm-push-node/22165 "2020-02-24T21:35:26Z")

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Hi all, I'm trying to use FCM to send notifications from my Raspberry to all devices subscribing to the topic "allDevices". I have added the server key as the environmental variable FCM\_SERVER\_KEY in settings.js. Then…

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## ["long press" ui element](https://discourse.nodered.org/t/long-press-ui-element/22134)

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**Author:** [@moryoav](https://discourse.nodered.org/u/moryoav)\
**Replies:** 3\
**Last updated:** [24 February 2020 16:37 UTC](https://discourse.nodered.org/t/long-press-ui-element/22134 "2020-02-24T16:37:17Z")

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I'm using quite a lot of UI switches using the "switch" node. I was able to successfully connect all of them to a template node for a vibrating effect whenever the buttons are clicked, like this: \<script\> (function(sco…

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## [How to use "timer in dashboard"](https://discourse.nodered.org/t/how-to-use-timer-in-dashboard/22099)

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**Author:** [@Marc29](https://discourse.nodered.org/u/Marc29)\
**Replies:** 16\
**Last updated:** [24 February 2020 19:56 UTC](https://discourse.nodered.org/t/how-to-use-timer-in-dashboard/22099 "2020-02-24T19:56:15Z")

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Hello, I'm trying to use the timer found at "https://flows.nodered.org/flow/f24cb20846f57eec19ed617b25cb61ae". I want to manage some devices when I'm on holidays. Up to now I manage my device whith mqtt messages. I…

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## [Deploying the state machine node does not change its status](https://discourse.nodered.org/t/deploying-the-state-machine-node-does-not-change-its-status/22196)

<div class="topic-metadata">

**Author:** [@techraf](https://discourse.nodered.org/u/techraf)\
**Replies:** 17\
**Last updated:** [24 February 2020 19:47 UTC](https://discourse.nodered.org/t/deploying-the-state-machine-node-does-not-change-its-status/22196 "2020-02-24T19:47:09Z")

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I was under impression that by adding a node to a flow, or moving a node, and deploying the flow through Deploy-Modified Flows the flows containing nodes marked with blue circle should restart. It does not seem to be al…

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## [Get nice Date-Format from Timeseries?](https://discourse.nodered.org/t/get-nice-date-format-from-timeseries/22208)

<div class="topic-metadata">

**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 13\
**Last updated:** [24 February 2020 19:37 UTC](https://discourse.nodered.org/t/get-nice-date-format-from-timeseries/22208 "2020-02-24T19:37:00Z")

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Hello, I would like to fill my dashboard with daily values for 200 days. The values have a timestamp in the ms-format 1579046400000. Unfortunately this format is total unreadable for a bar chart and too long. Is it p…

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## [Node-red no longer connecting to home assistant after reboot](https://discourse.nodered.org/t/node-red-no-longer-connecting-to-home-assistant-after-reboot/22210)

<div class="topic-metadata">

**Author:** [@GoBooth](https://discourse.nodered.org/u/GoBooth)\
**Replies:** 2\
**Last updated:** [24 February 2020 19:05 UTC](https://discourse.nodered.org/t/node-red-no-longer-connecting-to-home-assistant-after-reboot/22210 "2020-02-24T19:05:00Z")

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Hi Guys, I'm not sure why this is happening, and I'm having a hard time describing my issue as I'm seeing an error (except for the word error) which is proving searching for the answer very difficult. I installed node-…

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## [File node: how to create an uniquely named file every time the node gets data passed through it?](https://discourse.nodered.org/t/file-node-how-to-create-an-uniquely-named-file-every-time-the-node-gets-data-passed-through-it/22177)

<div class="topic-metadata">

**Author:** [@pseudonoob](https://discourse.nodered.org/u/pseudonoob)\
**Replies:** 7\
**Last updated:** [24 February 2020 18:57 UTC](https://discourse.nodered.org/t/file-node-how-to-create-an-uniquely-named-file-every-time-the-node-gets-data-passed-through-it/22177 "2020-02-24T18:57:14Z")

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My basic flow is getting an image URL, using the image-tools and file-in node to save that image to a file on my local server. I can then forward the new local URL, for home automation purposes. I'm trying to get the fi…

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## [Multi-select wires and change their colors](https://discourse.nodered.org/t/multi-select-wires-and-change-their-colors/22183)

<div class="topic-metadata">

**Author:** [@unixneo](https://discourse.nodered.org/u/unixneo)\
**Replies:** 5\
**Last updated:** [24 February 2020 15:35 UTC](https://discourse.nodered.org/t/multi-select-wires-and-change-their-colors/22183 "2020-02-24T15:35:41Z")

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Hi Guys, Node-RED is really a very impression project. I really enjoy using it. May I request a small feature for a future release (if if you have and it fits into your plan for the product)? Please add the ability …

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## [Extract dynamic json object to payload](https://discourse.nodered.org/t/extract-dynamic-json-object-to-payload/22205)

<div class="topic-metadata">

**Author:** [@jcp](https://discourse.nodered.org/u/jcp)\
**Replies:** 3\
**Last updated:** [24 February 2020 16:18 UTC](https://discourse.nodered.org/t/extract-dynamic-json-object-to-payload/22205 "2020-02-24T16:18:44Z")

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Hi, I am new to node-red and also to javascript. I intend to extract a dynamic key/values from the data\_label object and put it in msg.payload just like the picture attached. How can I achieve this with the function n…

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## [Getting the initial status of nodes](https://discourse.nodered.org/t/getting-the-initial-status-of-nodes/22162)

<div class="topic-metadata">

**Author:** [@techraf](https://discourse.nodered.org/u/techraf)\
**Replies:** 8\
**Last updated:** [24 February 2020 15:00 UTC](https://discourse.nodered.org/t/getting-the-initial-status-of-nodes/22162 "2020-02-24T15:00:15Z")

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From my experience, the status node reads other node statuses upon change and does not reflect the initial state. For example, if the MQTT node connects upon deployment, the status is not pushed: Then, if I stop and …

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## [Table overview of sensors](https://discourse.nodered.org/t/table-overview-of-sensors/22053)

<div class="topic-metadata">

**Author:** [@maku12](https://discourse.nodered.org/u/maku12)\
**Replies:** 4\
**Last updated:** [24 February 2020 14:38 UTC](https://discourse.nodered.org/t/table-overview-of-sensors/22053 "2020-02-24T14:38:03Z")

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Hi, I want to get a table displayed on the dashboard showing live values coming from sensors (window/door contact). The Table should have columns like Room, Battery Level, Status (open, closed) Please help, I don't kno…

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## [Logging in elastic search](https://discourse.nodered.org/t/logging-in-elastic-search/22197)

<div class="topic-metadata">

**Author:** [@Trilok](https://discourse.nodered.org/u/Trilok)\
**Replies:** 0\
**Last updated:** [24 February 2020 14:26 UTC](https://discourse.nodered.org/t/logging-in-elastic-search/22197 "2020-02-24T14:26:58Z")

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I want to know that the Node -Red supports logging in elastic search. if yes, can anyone share the related api or tutorials.

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## [Node-Red Packaging ( create .exe )](https://discourse.nodered.org/t/node-red-packaging-create-exe/22176)

<div class="topic-metadata">

**Author:** [@Ujjwal](https://discourse.nodered.org/u/Ujjwal)\
**Replies:** 2\
**Last updated:** [24 February 2020 10:36 UTC](https://discourse.nodered.org/t/node-red-packaging-create-exe/22176 "2020-02-24T10:36:05Z")

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Hi, i have created a flows on node red , also have code written in js to run the flow. have a small robot which i want to trigger via node red GUI i'm able to do it successfully i connect the robot to the computer usi…

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## [Status node should check if configured node(s) exist](https://discourse.nodered.org/t/status-node-should-check-if-configured-node-s-exist/22179)

<div class="topic-metadata">

**Author:** [@techraf](https://discourse.nodered.org/u/techraf)\
**Replies:** 0\
**Last updated:** [24 February 2020 10:17 UTC](https://discourse.nodered.org/t/status-node-should-check-if-configured-node-s-exist/22179 "2020-02-24T10:17:49Z")

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If you create a new project and import the following: \[{"id":"ed358218.fba33","type":"tab","label":"oprhaned status node","disabled":false,"info":""},{"id":"7dc15cf6.724b44","type":"status","z":"ed358218.fba33","name":"…

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## [Gauge not working](https://discourse.nodered.org/t/gauge-not-working/22174)

<div class="topic-metadata">

**Author:** [@jaguar](https://discourse.nodered.org/u/jaguar)\
**Replies:** 15\
**Last updated:** [24 February 2020 09:57 UTC](https://discourse.nodered.org/t/gauge-not-working/22174 "2020-02-24T09:57:31Z")

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Struggling to get gauge working (node-red dashboard). I have a node-red function which returns temperature in degrees C, the ouput of this function has 2 connections, one to a debug node which shows the ouput is msg.pay…

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## [Issues on new project](https://discourse.nodered.org/t/issues-on-new-project/22126)

<div class="topic-metadata">

**Author:** [@msillano](https://discourse.nodered.org/u/msillano)\
**Replies:** 2\
**Last updated:** [24 February 2020 09:15 UTC](https://discourse.nodered.org/t/issues-on-new-project/22126 "2020-02-24T09:15:42Z")

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Creating my first project (WIN 10). I can do Pull updates, but Push fails. Here the log: ----------------------------------------------------------- 2020-02-23T10:04:14.508Z Pull changes : http\_github/master 2020-02-2…

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## [Unused nodes and dashboard is not showing](https://discourse.nodered.org/t/unused-nodes-and-dashboard-is-not-showing/22161)

<div class="topic-metadata">

**Author:** [@weijian0417](https://discourse.nodered.org/u/weijian0417)\
**Replies:** 12\
**Last updated:** [24 February 2020 09:33 UTC](https://discourse.nodered.org/t/unused-nodes-and-dashboard-is-not-showing/22161 "2020-02-24T09:33:27Z")

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Hi, I am doing a project about Real-time Production Monitoring System via IoT Platform. I use an ESP32 to connect it on the IBM cloud and NodeRed. My NodeRed flow is not working on the dashboard and after I deploy my flo…

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## [Installing Nodes via Environment Variable in Docker](https://discourse.nodered.org/t/installing-nodes-via-environment-variable-in-docker/22041)

<div class="topic-metadata">

**Author:** [@muruganchandrasekar](https://discourse.nodered.org/u/muruganchandrasekar)\
**Replies:** 2\
**Last updated:** [24 February 2020 06:39 UTC](https://discourse.nodered.org/t/installing-nodes-via-environment-variable-in-docker/22041 "2020-02-24T06:39:21Z")

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I'm going to install a node "node-red-node-email" additionally in node-red using Enviroment Variable instead of using npm " npm install node-red-node-email". I don't find the list of environment variable used for nod-red…

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## [Help trimming garbage from end of buffer](https://discourse.nodered.org/t/help-trimming-garbage-from-end-of-buffer/22072)

<div class="topic-metadata">

**Author:** [@cowpen](https://discourse.nodered.org/u/cowpen)\
**Replies:** 2\
**Last updated:** [24 February 2020 00:19 UTC](https://discourse.nodered.org/t/help-trimming-garbage-from-end-of-buffer/22072 "2020-02-24T00:19:48Z")

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I've got a solar inverter that I'd like to log to influxdb / grafana. I found a program on github by an author with a similar model to mine. The comms protocols are the same, as are many of the queried parameters, but mi…

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## [Subflow looptimer doesn't stop](https://discourse.nodered.org/t/subflow-looptimer-doesnt-stop/21824)

<div class="topic-metadata">

**Author:** [@bedo2405](https://discourse.nodered.org/u/bedo2405)\
**Replies:** 2\
**Last updated:** [23 February 2020 23:35 UTC](https://discourse.nodered.org/t/subflow-looptimer-doesnt-stop/21824 "2020-02-23T23:35:41Z")

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Can anyone tell me why my looptimer doesn't stop my alarm? My google homes and xaiomi play an alarm mp3 which is about 10 seconds long. So I use a Looptimer node to replay it every 10 seconds. To stop it, I send a paylo…

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## [Node not shown in palette](https://discourse.nodered.org/t/node-not-shown-in-palette/21386)

<div class="topic-metadata">

**Author:** [@DemonKing](https://discourse.nodered.org/u/DemonKing)\
**Replies:** 29\
**Last updated:** [23 February 2020 23:29 UTC](https://discourse.nodered.org/t/node-not-shown-in-palette/21386 "2020-02-23T23:29:58Z")

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Hi, i installed two nodes one is email and another one is cron-plus , email node i can use like drag and drop but cron node is not visible in node left side panel ,, but in pallet it shows installed but i cant see that …

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## [Sunday JSONata Challenge!](https://discourse.nodered.org/t/sunday-jsonata-challenge/21793)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 8\
**Last updated:** [23 February 2020 23:26 UTC](https://discourse.nodered.org/t/sunday-jsonata-challenge/21793 "2020-02-23T23:26:08Z")

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Here's a bit of a fun challenge for anyone wanting to improve their JSONata Fu. Take the output from the following nmap command output (change the IP address/subnet to match your own): sudo nmap -sn --oX nmap.xml --pri…

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## [AC voltage measurement](https://discourse.nodered.org/t/ac-voltage-measurement/22163)

<div class="topic-metadata">

**Author:** [@thalesmaoa](https://discourse.nodered.org/u/thalesmaoa)\
**Replies:** 4\
**Last updated:** [23 February 2020 21:24 UTC](https://discourse.nodered.org/t/ac-voltage-measurement/22163 "2020-02-23T21:24:01Z")

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How fast NodeRed receives and plot data? I saw some suggestions about what I’m intending to do, however none has pointed to this question. I’ve been working and learning NodeRed for quite some time now. I’m basically us…

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## [Salter MiBody scales (lidl)](https://discourse.nodered.org/t/salter-mibody-scales-lidl/22158)

<div class="topic-metadata">

**Author:** [@orandaadnaro](https://discourse.nodered.org/u/orandaadnaro)\
**Replies:** 1\
**Last updated:** [23 February 2020 19:38 UTC](https://discourse.nodered.org/t/salter-mibody-scales-lidl/22158 "2020-02-23T19:38:37Z")

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I just bought today from Lidl - Salter Mibody scales which attaches to my iPhone using bluetooth. Does anyone know of any Node Red mod which might enhance its functionality? Thanks

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## [Unable to start Node-Red with windows 10](https://discourse.nodered.org/t/unable-to-start-node-red-with-windows-10/22159)

<div class="topic-metadata">

**Author:** [@dougcr4](https://discourse.nodered.org/u/dougcr4)\
**Replies:** 2\
**Last updated:** [23 February 2020 19:34 UTC](https://discourse.nodered.org/t/unable-to-start-node-red-with-windows-10/22159 "2020-02-23T19:34:17Z")

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HI i'm new to node red however after finally completing the install, with tools and python etc, it took a while , all i get is 'node-red' is not recognized as an internal or external command, operable program or batc…

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## [Clone/share a "modular" subflow](https://discourse.nodered.org/t/clone-share-a-modular-subflow/22145)

<div class="topic-metadata">

**Author:** [@alexk111](https://discourse.nodered.org/u/alexk111)\
**Replies:** 5\
**Last updated:** [23 February 2020 18:51 UTC](https://discourse.nodered.org/t/clone-share-a-modular-subflow/22145 "2020-02-23T18:51:18Z")

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Is there a way to clone a subflow depending on other subflows, without making clones of the deps?

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## [NR 0.17.5 to 1.0.3 upgrade; problem with global context](https://discourse.nodered.org/t/nr-0-17-5-to-1-0-3-upgrade-problem-with-global-context/22149)

<div class="topic-metadata">

**Author:** [@JayNaire](https://discourse.nodered.org/u/JayNaire)\
**Replies:** 3\
**Last updated:** [23 February 2020 16:14 UTC](https://discourse.nodered.org/t/nr-0-17-5-to-1-0-3-upgrade-problem-with-global-context/22149 "2020-02-23T16:14:14Z")

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\[{"id":"640d9219.284b4c","type":"DataIn","z":"2499aa94.c14866","collection":"2e31cc75.f3a864","name":"Backup to DB","update":false,"path":"/","x":660,"y":400,"wires":\[\]},{"id":"d284a4b4.19fa38","type":"inject","z":"2499a…

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## [Cheap water level sensor](https://discourse.nodered.org/t/cheap-water-level-sensor/22060)

<div class="topic-metadata">

**Author:** [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Replies:** 4\
**Last updated:** [23 February 2020 15:47 UTC](https://discourse.nodered.org/t/cheap-water-level-sensor/22060 "2020-02-23T15:47:49Z")

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I had a water leak in our airing cupboard cold water header tank a few weeks ago. The ballcock valve was leaking and whoever installed the tank had put the overflow pipe HIGHER than the inlet pipe, not a real problem but…

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