# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=893

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

**Page:** 894

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## [How many messages are "flowing" in my NR?](https://discourse.nodered.org/t/how-many-messages-are-flowing-in-my-nr/10191)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 12\
**Last updated:** [20 April 2019 10:58 UTC](https://discourse.nodered.org/t/how-many-messages-are-flowing-in-my-nr/10191 "2019-04-20T10:58:17Z")

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Hi! I see that the performance of the web page to control my NR are directly connected to the number of messages flowing, for example, as I use "loops" on some functions to introduce delay, I can commit sometimes some mi…

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## [Node red to data base](https://discourse.nodered.org/t/node-red-to-data-base/10376)

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**Author:** [@ihebabidi](https://discourse.nodered.org/u/ihebabidi)\
**Replies:** 2\
**Last updated:** [20 April 2019 09:02 UTC](https://discourse.nodered.org/t/node-red-to-data-base/10376 "2019-04-20T09:02:21Z")

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hello all ! is it possible to send data from node red to a database?

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## [Mqtt node configuration](https://discourse.nodered.org/t/mqtt-node-configuration/10372)

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**Author:** [@mani2411](https://discourse.nodered.org/u/mani2411)\
**Replies:** 2\
**Last updated:** [20 April 2019 07:05 UTC](https://discourse.nodered.org/t/mqtt-node-configuration/10372 "2019-04-20T07:05:29Z")

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hi all i want to configure mqtt node with my adafruit.io account but don't know what i should put in the fields can anybody help?

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## [Node publishing](https://discourse.nodered.org/t/node-publishing/1042)

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**Author:** [@PizlaTheDeveloper](https://discourse.nodered.org/u/PizlaTheDeveloper)\
**Replies:** 13\
**Last updated:** [19 April 2019 19:48 UTC](https://discourse.nodered.org/t/node-publishing/1042 "2019-04-19T19:48:52Z")

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Hi, I published my first nodes for Node-RED two days ago as node-red-contrib-foxtrotnode. But I can’t find it in Node-RED’s pallete manager to install. Can you give me some advice what I did wrong? Thank you very mu…

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## [How can I use canvasjs to create a base64Image payload?](https://discourse.nodered.org/t/how-can-i-use-canvasjs-to-create-a-base64image-payload/10256)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 2\
**Last updated:** [19 April 2019 19:16 UTC](https://discourse.nodered.org/t/how-can-i-use-canvasjs-to-create-a-base64image-payload/10256 "2019-04-19T19:16:55Z")

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Hi All, I require to export a sparkline (once, comfortable, a candlestick chart using OHLC) to base64Image and send as part of a payload. My plan is to use canvasjs.com (unless there's a better option), what is the bes…

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## [Separating Object/Payload help (Solved) Thank you all](https://discourse.nodered.org/t/separating-object-payload-help-solved-thank-you-all/10318)

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**Author:** [@Poodlepapa](https://discourse.nodered.org/u/Poodlepapa)\
**Replies:** 23\
**Last updated:** [19 April 2019 18:30 UTC](https://discourse.nodered.org/t/separating-object-payload-help-solved-thank-you-all/10318 "2019-04-19T18:30:52Z")

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I have a python script running in a shell node. It works great but I can't figure out how to use the data that I'm getting this is the output in debug RTD ADC Code: 7627 PT100 Resistance: 100.085754 ohms Straight Line …

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## [Set countdown with payload](https://discourse.nodered.org/t/set-countdown-with-payload/10300)

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**Author:** [@Flixm](https://discourse.nodered.org/u/Flixm)\
**Replies:** 3\
**Last updated:** [19 April 2019 18:10 UTC](https://discourse.nodered.org/t/set-countdown-with-payload/10300 "2019-04-19T18:10:14Z")

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Hi, i search for a node which allows me to set the countdown by a payload. I want to set the timing of my blinds by trigger the time of the motor time. e.g.: 30 sec half way and 60 sec full down or up etc. So in my ca…

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## [Bigexec running for a few seconds](https://discourse.nodered.org/t/bigexec-running-for-a-few-seconds/10360)

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**Author:** [@nazHossain0316](https://discourse.nodered.org/u/nazHossain0316)\
**Replies:** 1\
**Last updated:** [19 April 2019 14:58 UTC](https://discourse.nodered.org/t/bigexec-running-for-a-few-seconds/10360 "2019-04-19T14:58:23Z")

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Hello everyone. Im new to Node Red and came across an issue when using the bigexec node to trigger a batch file. I found that even when the node is done running all of the commands in the batch file, it sort of hangs wit…

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## [Accessing files on a remote machine via FTP (or SAMBA)](https://discourse.nodered.org/t/accessing-files-on-a-remote-machine-via-ftp-or-samba/2717)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 19\
**Last updated:** [19 April 2019 04:19 UTC](https://discourse.nodered.org/t/accessing-files-on-a-remote-machine-via-ftp-or-samba/2717 "2019-04-19T04:19:00Z")

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I am stuck and would like a bit of help getting an idea into reality. I want to monitor a remote directory (via FTP or SAMBA) on a remote machine. If there is a change, it copies the newer/est file to this machine. fs…

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## [Telegram HTTP Post sends message correctly, but Pi shows error](https://discourse.nodered.org/t/telegram-http-post-sends-message-correctly-but-pi-shows-error/9597)

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**Author:** [@sallen135](https://discourse.nodered.org/u/sallen135)\
**Replies:** 7\
**Last updated:** [19 April 2019 00:02 UTC](https://discourse.nodered.org/t/telegram-http-post-sends-message-correctly-but-pi-shows-error/9597 "2019-04-19T00:02:21Z")

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I can use HTTP Post to send messages from a telegram bot into a chat. That works no problem and I get the message I send. However, even though I get the message the log on my Pi shows I had an unhandled error. I think th…

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## [Node red projects feature](https://discourse.nodered.org/t/node-red-projects-feature/678)

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**Author:** [@echtelerp](https://discourse.nodered.org/u/echtelerp)\
**Replies:** 10\
**Last updated:** [18 April 2019 23:14 UTC](https://discourse.nodered.org/t/node-red-projects-feature/678 "2019-04-18T23:14:37Z")

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Hi there, As I use node red within quite a couple of devices already I’m looking for a good guide, how to setup node-red projects, with github. And somehow my regular info source YouTube let me down on this. However, d…

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## [Iterating through object from Firebase for Chart Historical Data](https://discourse.nodered.org/t/iterating-through-object-from-firebase-for-chart-historical-data/10319)

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**Author:** [@danleighton](https://discourse.nodered.org/u/danleighton)\
**Replies:** 11\
**Last updated:** [18 April 2019 22:35 UTC](https://discourse.nodered.org/t/iterating-through-object-from-firebase-for-chart-historical-data/10319 "2019-04-18T22:35:41Z")

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Firstly, to everyone for all your hard work and help :slight\_smile: Secondly, I could really do with some help here! I am trying to build a function which will render the output needed to feed stored data into line chart…

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## [Rpi-gpio node files location](https://discourse.nodered.org/t/rpi-gpio-node-files-location/10299)

<div class="topic-metadata">

**Author:** [@iungo](https://discourse.nodered.org/u/iungo)\
**Replies:** 5\
**Last updated:** [18 April 2019 19:50 UTC](https://discourse.nodered.org/t/rpi-gpio-node-files-location/10299 "2019-04-18T19:50:14Z")

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Does anybody know where I can find .js, .html and .css files for rpi-gpio node (it was installed as rpi specific nodes with node-red installation). I need to change GPIO table(on the pic below), but can't find files loc…

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## [Specifying npm arm floating point type](https://discourse.nodered.org/t/specifying-npm-arm-floating-point-type/10338)

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**Author:** [@aarcov](https://discourse.nodered.org/u/aarcov)\
**Replies:** 0\
**Last updated:** [18 April 2019 15:39 UTC](https://discourse.nodered.org/t/specifying-npm-arm-floating-point-type/10338 "2019-04-18T15:39:02Z")

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I am trying to install the leveldb node (https://github.com/node-red/node-red-nodes/tree/master/storage/leveldb) and am having issues adding it to my platform. The device is an AXC F 2152, and has a hardware floating po…

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## [Complicated http request help](https://discourse.nodered.org/t/complicated-http-request-help/10330)

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**Author:** [@DillonW](https://discourse.nodered.org/u/DillonW)\
**Replies:** 4\
**Last updated:** [18 April 2019 14:03 UTC](https://discourse.nodered.org/t/complicated-http-request-help/10330 "2019-04-18T14:03:02Z")

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Hi, I have an account with ibm where I use node red and some other services. One is a machine learning where you can use cURL commands to access models. First it requires you to get a token and then you can post to the m…

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## [Windows node-red settings](https://discourse.nodered.org/t/windows-node-red-settings/10216)

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**Author:** [@JokinSegu](https://discourse.nodered.org/u/JokinSegu)\
**Replies:** 4\
**Last updated:** [18 April 2019 12:50 UTC](https://discourse.nodered.org/t/windows-node-red-settings/10216 "2019-04-18T12:50:28Z")

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Hi, i am trying to put security to the node-red that I have created on windows. For that I need to write this command as it says in the cmd when I start node red= \\Users\\Jokin.node-red\\settings.js So I write nano \\Use…

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## [Save an uploaded file in other path](https://discourse.nodered.org/t/save-an-uploaded-file-in-other-path/10290)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 13\
**Last updated:** [18 April 2019 08:10 UTC](https://discourse.nodered.org/t/save-an-uploaded-file-in-other-path/10290 "2019-04-18T08:10:02Z")

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I'am using template node and i want to move an uploaded file to another destination path .. i have tried with this node https://flows.nodered.org/node/node-red-contrib-fs-ops but i have to put the original path of the f…

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## [Regex payload string into 6 separate payloads](https://discourse.nodered.org/t/regex-payload-string-into-6-separate-payloads/10309)

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**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 2\
**Last updated:** [18 April 2019 07:40 UTC](https://discourse.nodered.org/t/regex-payload-string-into-6-separate-payloads/10309 "2019-04-18T07:40:27Z")

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Hi, I’m really struggling with this one. I’m terrible at regex, and to be honest I’m not sure if that’s the best route either. Please could someone help me convert the following string (below) ... IPH\[192\]\[168\]\[222\]\[…

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## [Building an API interface for airconditioning automation](https://discourse.nodered.org/t/building-an-api-interface-for-airconditioning-automation/10277)

<div class="topic-metadata">

**Author:** [@simonk83](https://discourse.nodered.org/u/simonk83)\
**Replies:** 12\
**Last updated:** [18 April 2019 07:36 UTC](https://discourse.nodered.org/t/building-an-api-interface-for-airconditioning-automation/10277 "2019-04-18T07:36:38Z")

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EDIT: The below question can be ignored as it turns out, seems I'm the dumby afterall and this just got a lot easier :smiley: . I'll leave this open if that's cool as I'm bound to have future issues/questions. Ok so j…

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## [Node-red-node-google - node-red crash](https://discourse.nodered.org/t/node-red-node-google-node-red-crash/10096)

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**Author:** [@Baggerfahrer](https://discourse.nodered.org/u/Baggerfahrer)\
**Replies:** 4\
**Last updated:** [18 April 2019 07:21 UTC](https://discourse.nodered.org/t/node-red-node-google-node-red-crash/10096 "2019-04-18T07:21:44Z")

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Hi all. I got a question concerning the google "node-red-node-google" node. see here: Link I would like to get a telegram push message everytime there is a entry in my google calendar. So I use the above mentioned node…

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## [Merge local git branches in project](https://discourse.nodered.org/t/merge-local-git-branches-in-project/10306)

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**Author:** [@cuxcrider](https://discourse.nodered.org/u/cuxcrider)\
**Replies:** 2\
**Last updated:** [17 April 2019 23:06 UTC](https://discourse.nodered.org/t/merge-local-git-branches-in-project/10306 "2019-04-17T23:06:20Z")

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I am far from a seasoned git veteran so perhaps I am just not understanding something basic, but I do not understand the best practice in the git projects to create a new branch for a feature and then eventually merge ba…

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## [Point of order, JSON vs Javascript Object](https://discourse.nodered.org/t/point-of-order-json-vs-javascript-object/10305)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 1\
**Last updated:** [17 April 2019 22:00 UTC](https://discourse.nodered.org/t/point-of-order-json-vs-javascript-object/10305 "2019-04-17T22:00:19Z")

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There seems to be some confusion as to what is meant by the term JSON. Am I correct in saying that JSON is a string representation of an object, and is therefore always a string. So these, for example are not assignin…

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## [Syntax error ? global.get in a change node](https://discourse.nodered.org/t/syntax-error-global-get-in-a-change-node/10303)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 2\
**Last updated:** [17 April 2019 20:52 UTC](https://discourse.nodered.org/t/syntax-error-global-get-in-a-change-node/10303 "2019-04-17T20:52:03Z")

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Hello. In a Change node, I would like to set the msg.payload to the value of a global variable. Here is the content of the node :slight\_smile: \[{"id":"e269c547.b809a8","type":"change","z":"5a94fe91.d8327","name":"Eta…

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## [Multiple Outputs synchronization](https://discourse.nodered.org/t/multiple-outputs-synchronization/10165)

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**Author:** [@fzigbee](https://discourse.nodered.org/u/fzigbee)\
**Replies:** 8\
**Last updated:** [17 April 2019 20:46 UTC](https://discourse.nodered.org/t/multiple-outputs-synchronization/10165 "2019-04-17T20:46:43Z")

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I have three Philips Hue bulps (Output) in one lamp, all connected to one UI switch. When i switch on the lamps in the UI, these do not switch on synchronously, but one after the other. Is there a way to turn on all the…

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## [Cascading buttons on input form](https://discourse.nodered.org/t/cascading-buttons-on-input-form/10304)

<div class="topic-metadata">

**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 0\
**Last updated:** [17 April 2019 20:36 UTC](https://discourse.nodered.org/t/cascading-buttons-on-input-form/10304 "2019-04-17T20:36:22Z")

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Hi, I need to create a input form based on node red. The form need to contain about 4 groups of buttons. When selecting a button in group 1 the buttons in group 2 changes and then group 3 changes based on group 2. Somet…

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## [Date format different in debug 'msg.payload' vrs 'complete msg object'](https://discourse.nodered.org/t/date-format-different-in-debug-msg-payload-vrs-complete-msg-object/10285)

<div class="topic-metadata">

**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 7\
**Last updated:** [17 April 2019 20:13 UTC](https://discourse.nodered.org/t/date-format-different-in-debug-msg-payload-vrs-complete-msg-object/10285 "2019-04-17T20:13:37Z")

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Node-red v0.20.5 node.js v10.15.3 macOS 10.13.6 I just ran into a strange issue using debugs to display the date. The flow is an inject connected to a function connected to two debug nodes - one displaying the comple…

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## [How to extract time from "node-red-contrib-sunpos"?](https://discourse.nodered.org/t/how-to-extract-time-from-node-red-contrib-sunpos/10253)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 5\
**Last updated:** [17 April 2019 14:57 UTC](https://discourse.nodered.org/t/how-to-extract-time-from-node-red-contrib-sunpos/10253 "2019-04-17T14:57:34Z")

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Hi all, I installed "node-red-contrib-sunpos" to display the position of the sun in real time. This function works. This node is used to display the sunset time "msg.payload.endTime" as can be seen on the debug (N°1): i…

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## [Storing and Playing Video with Node-RED](https://discourse.nodered.org/t/storing-and-playing-video-with-node-red/10286)

<div class="topic-metadata">

**Author:** [@Georg25](https://discourse.nodered.org/u/Georg25)\
**Replies:** 1\
**Last updated:** [17 April 2019 13:57 UTC](https://discourse.nodered.org/t/storing-and-playing-video-with-node-red/10286 "2019-04-17T13:57:57Z")

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Hi all, I have an IP network cam which should send me the video material to a Raspberry Pi running Node-RED. I want to use Node-RED to store the video in a ring buffer that only contains the last 5 minutes. If I now pre…

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## [Visual RSSI of wifi relay switch on the dashboard](https://discourse.nodered.org/t/visual-rssi-of-wifi-relay-switch-on-the-dashboard/10284)

<div class="topic-metadata">

**Author:** [@weirdpraani](https://discourse.nodered.org/u/weirdpraani)\
**Replies:** 2\
**Last updated:** [17 April 2019 13:18 UTC](https://discourse.nodered.org/t/visual-rssi-of-wifi-relay-switch-on-the-dashboard/10284 "2019-04-17T13:18:27Z")

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Hi, I am very new to Node Red! I wanted to display the RSSI of my wifi relay switch as a meter in my dashboard but so far unable to as I could not get to the right topic i believe. Would appreciate if anyone can help m…

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## [Download node modules(such as node-red-node-mysql) by using code](https://discourse.nodered.org/t/download-node-modules-such-as-node-red-node-mysql-by-using-code/10272)

<div class="topic-metadata">

**Author:** [@qgc007](https://discourse.nodered.org/u/qgc007)\
**Replies:** 9\
**Last updated:** [17 April 2019 09:41 UTC](https://discourse.nodered.org/t/download-node-modules-such-as-node-red-node-mysql-by-using-code/10272 "2019-04-17T09:41:56Z")

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hello,everyone,i can use exec node to do something like remove a file in linux (example:rm xxx.txt), but it cant download a node module(like npm install node-red-node-mysql) have a good way to do that?

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