# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=891

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

**Page:** 892

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## [Programming with multer module](https://discourse.nodered.org/t/programming-with-multer-module/10532)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 8\
**Last updated:** [25 April 2019 12:51 UTC](https://discourse.nodered.org/t/programming-with-multer-module/10532 "2019-04-25T12:51:30Z")

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is it possible to code with this module in function node ?

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## [How to make this SQL insert more efficient?](https://discourse.nodered.org/t/how-to-make-this-sql-insert-more-efficient/10528)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 8\
**Last updated:** [25 April 2019 11:15 UTC](https://discourse.nodered.org/t/how-to-make-this-sql-insert-more-efficient/10528 "2019-04-25T11:15:25Z")

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Good day, I have a flow which dynamically creates SQL params and updates some values in a table. Depending on the some criteria, I need to update the daily, weekly, monthly, yearly or all time high score. Currently I h…

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## [Daten aus Payload Objekt auslesen und in Datenbank Übertragen](https://discourse.nodered.org/t/daten-aus-payload-objekt-auslesen-und-in-datenbank-ubertragen/10530)

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**Author:** [@Schnatter](https://discourse.nodered.org/u/Schnatter)\
**Replies:** 2\
**Last updated:** [25 April 2019 09:39 UTC](https://discourse.nodered.org/t/daten-aus-payload-objekt-auslesen-und-in-datenbank-ubertragen/10530 "2019-04-25T09:39:50Z")

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Hallo Zusammen, ich möchte in meinem Projekt Daten aus einer Siemens SPs auslesen und die Daten in eine MSSQL Datenbank übertragen. Die Daten werden wir als Payload Objekt angezeigt. Nun möchte ich die Daten aus dem P…

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## [Connection initialization between telegram and node-red](https://discourse.nodered.org/t/connection-initialization-between-telegram-and-node-red/10525)

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**Author:** [@Igor-Garnik](https://discourse.nodered.org/u/Igor-Garnik)\
**Replies:** 2\
**Last updated:** [25 April 2019 08:13 UTC](https://discourse.nodered.org/t/connection-initialization-between-telegram-and-node-red/10525 "2019-04-25T08:13:18Z")

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Hi, im new in node-red. Im trying to set up a connection between telegram bot and node-red. Can you tell me, who initialize connection, between telegram bot and node telegram receiver.

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## [How big is too big for a flow?](https://discourse.nodered.org/t/how-big-is-too-big-for-a-flow/10442)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 16\
**Last updated:** [25 April 2019 01:23 UTC](https://discourse.nodered.org/t/how-big-is-too-big-for-a-flow/10442 "2019-04-25T01:23:06Z")

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I have a project that has grown quite large and I tried to make a backup by exporting each flow to a text file that I could import from backup if needed. But it won't. The text file of my main flow is 62Kb and it won't…

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## [Msg.payload return String with numerous symbols](https://discourse.nodered.org/t/msg-payload-return-string-with-numerous-symbols/10486)

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**Author:** [@FreshMeat](https://discourse.nodered.org/u/FreshMeat)\
**Replies:** 7\
**Last updated:** [24 April 2019 20:57 UTC](https://discourse.nodered.org/t/msg-payload-return-string-with-numerous-symbols/10486 "2019-04-24T20:57:47Z")

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Hi ! I am pretty sure this a stupid question, but I can't get over it !! I've done a simple node which consist in reading a value from an OPC UA server (Schneider M241 PLC). But the message returned is filled of symbol…

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## [Node-red editor does not load](https://discourse.nodered.org/t/node-red-editor-does-not-load/10516)

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**Author:** [@manueldiasmanuel](https://discourse.nodered.org/u/manueldiasmanuel)\
**Replies:** 3\
**Last updated:** [24 April 2019 20:31 UTC](https://discourse.nodered.org/t/node-red-editor-does-not-load/10516 "2019-04-24T20:31:44Z")

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Hi, ... after deploying Node-Red it has stopped running and i´ve got a " red level " code as you can see below. How to recover from this situation ? 24 Apr 19:53:17 - \[info\] Node-RED version: v0.20.5 24 Apr 19:53:…

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## [Url return position (latitude, longtitude)](https://discourse.nodered.org/t/url-return-position-latitude-longtitude/10512)

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**Author:** [@gaara7271](https://discourse.nodered.org/u/gaara7271)\
**Replies:** 3\
**Last updated:** [24 April 2019 20:00 UTC](https://discourse.nodered.org/t/url-return-position-latitude-longtitude/10512 "2019-04-24T20:00:43Z")

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hello, i know a url " http://ipv4bot.whatismyipaddress.com" return IP wan for me. now i need url like that return latitude,longtitude for me. if you know, please share it with me.

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## [Multi part Flow objects (solved)](https://discourse.nodered.org/t/multi-part-flow-objects-solved/10511)

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**Author:** [@Poodlepapa](https://discourse.nodered.org/u/Poodlepapa)\
**Replies:** 3\
**Last updated:** [24 April 2019 18:01 UTC](https://discourse.nodered.org/t/multi-part-flow-objects-solved/10511 "2019-04-24T18:01:39Z")

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Flow objects are killing me! I have read many tutorials about using flow objects and I'm stuck. I would like to use two different and changing variables in a simple temperature control function node. I've used the join…

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## [How to deal with static JSON "variables" across different triggering platforms?](https://discourse.nodered.org/t/how-to-deal-with-static-json-variables-across-different-triggering-platforms/10470)

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**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 4\
**Last updated:** [24 April 2019 16:47 UTC](https://discourse.nodered.org/t/how-to-deal-with-static-json-variables-across-different-triggering-platforms/10470 "2019-04-24T16:47:04Z")

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Sorry. Noob question. I set up my first flow yesterday and I'm stoked it's working! I'm triggering it via a webhook POST from an app called Geofency which POSTs to webhookrelay. Geofency doesn't provide an option to su…

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## [Problem with Node-red- Modbus / S7 node](https://discourse.nodered.org/t/problem-with-node-red-modbus-s7-node/1480)

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**Author:** [@somavaram](https://discourse.nodered.org/u/somavaram)\
**Replies:** 7\
**Last updated:** [24 April 2019 13:23 UTC](https://discourse.nodered.org/t/problem-with-node-red-modbus-s7-node/1480 "2019-04-24T13:23:17Z")

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Hi Everyone, I am presently working on Siemens S7-1500 PLC. I configured the PLC as modbus client. Now, I am trying to read the holding registers using Modbus read. But unfortunately, I am unable to establish the conn…

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## [OPCUA subscribe problem](https://discourse.nodered.org/t/opcua-subscribe-problem/10498)

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**Author:** [@smalhao](https://discourse.nodered.org/u/smalhao)\
**Replies:** 0\
**Last updated:** [24 April 2019 10:53 UTC](https://discourse.nodered.org/t/opcua-subscribe-problem/10498 "2019-04-24T10:53:16Z")

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I have a problem in subscribing to topics with OPCUA, when it does the subscription and this gets active subscribed, but the problem I'm having is that from time to time it passes to active subscribing, I have several to…

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## [Get status with Telegram Bot](https://discourse.nodered.org/t/get-status-with-telegram-bot/10444)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 21\
**Last updated:** [24 April 2019 10:32 UTC](https://discourse.nodered.org/t/get-status-with-telegram-bot/10444 "2019-04-24T10:32:05Z")

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Hi! I finished a home security alarm a couple of weeks ago but I think there is still something missing. I want the system to send me some kind of status report when I use a command in Telegram Messenger. The status r…

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## [Search and return a value from within a flow variable?](https://discourse.nodered.org/t/search-and-return-a-value-from-within-a-flow-variable/10461)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 13\
**Last updated:** [24 April 2019 10:26 UTC](https://discourse.nodered.org/t/search-and-return-a-value-from-within-a-flow-variable/10461 "2019-04-24T10:26:30Z")

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Hello, I've stored a number of values in a flow variable, example: { "data": { "item\_1": "value\_1", "item\_2": "value\_2" } } From within the function node I'd like to search for a value and return the associated …

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## [Error in on input function](https://discourse.nodered.org/t/error-in-on-input-function/10497)

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**Author:** [@trujillo](https://discourse.nodered.org/u/trujillo)\
**Replies:** 0\
**Last updated:** [24 April 2019 10:10 UTC](https://discourse.nodered.org/t/error-in-on-input-function/10497 "2019-04-24T10:10:28Z")

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Hi, I've a problem with node.on('input', function(msg)); I have the next code: function AppendAttributeNode(config){ RED.nodes.createNode(this, config); this.fiware\_host = config.fiware\_host; this…

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## [Error permission denied certificates | OPC UA IIoT Flex Server](https://discourse.nodered.org/t/error-permission-denied-certificates-opc-ua-iiot-flex-server/10488)

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**Author:** [@carlosglez](https://discourse.nodered.org/u/carlosglez)\
**Replies:** 6\
**Last updated:** [24 April 2019 08:59 UTC](https://discourse.nodered.org/t/error-permission-denied-certificates-opc-ua-iiot-flex-server/10488 "2019-04-24T08:59:21Z")

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I am using the package "node-red-contrib-iiot-opcua". The problem is that when I try to deploy a flow I get the problem that you can see in the following screenshot. I don't know how to fix it. The flow is working on…

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## [Access data from string](https://discourse.nodered.org/t/access-data-from-string/10491)

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**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 2\
**Last updated:** [24 April 2019 08:23 UTC](https://discourse.nodered.org/t/access-data-from-string/10491 "2019-04-24T08:23:04Z")

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How can I access to the progress data for a gauge when receiving a string message as follows? {"progress": 69, "\_timestamp": 1556092573, "location": "local", "path": "rounded\_rose\_120x120.gcode"} Thanks in advance

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## [Node red to database](https://discourse.nodered.org/t/node-red-to-database/10477)

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**Author:** [@ihebabidi](https://discourse.nodered.org/u/ihebabidi)\
**Replies:** 2\
**Last updated:** [23 April 2019 22:49 UTC](https://discourse.nodered.org/t/node-red-to-database/10477 "2019-04-23T22:49:13Z")

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hello all ! im trying to get the temperature value from a data base to node and this is my flow \[{"id":"a68c4741.10f2b8","type":"tab","label":"Flow 3","disabled":false,"info":""},{"id":"9543390d.1e0c88","type":"debug","…

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## [Is there a way to pipe commands into bluetoothctl through node-red?](https://discourse.nodered.org/t/is-there-a-way-to-pipe-commands-into-bluetoothctl-through-node-red/10479)

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**Author:** [@rando](https://discourse.nodered.org/u/rando)\
**Replies:** 1\
**Last updated:** [23 April 2019 22:02 UTC](https://discourse.nodered.org/t/is-there-a-way-to-pipe-commands-into-bluetoothctl-through-node-red/10479 "2019-04-23T22:02:06Z")

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I have a node-red project where I test the throughput of a bluetooth device, and this part is working fine. However when the test is concluded, I want to remove the device under test from blutoothctl, and have been runn…

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## [Bug report? Slider node. Information not correct for node](https://discourse.nodered.org/t/bug-report-slider-node-information-not-correct-for-node/10409)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [23 April 2019 20:55 UTC](https://discourse.nodered.org/t/bug-report-slider-node-information-not-correct-for-node/10409 "2019-04-23T20:55:56Z")

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Hi. While playing with the slider node, I found this "bug". The node info says this: Adds a slider widget to the user interface. The user can change its value between the limits (min and max). Each value change wil…

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## [Distributed Node RED](https://discourse.nodered.org/t/distributed-node-red/10469)

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**Author:** [@caracall](https://discourse.nodered.org/u/caracall)\
**Replies:** 4\
**Last updated:** [23 April 2019 20:55 UTC](https://discourse.nodered.org/t/distributed-node-red/10469 "2019-04-23T20:55:30Z")

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Hello, I am working on a project using distributed node red, and I am wondering about multiple points. Suppose that we have a distributed flow on several devices on the network, each device (node) has a Node RED instanc…

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## [Deploy only the current flow](https://discourse.nodered.org/t/deploy-only-the-current-flow/10474)

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**Author:** [@Albatroz](https://discourse.nodered.org/u/Albatroz)\
**Replies:** 2\
**Last updated:** [23 April 2019 18:35 UTC](https://discourse.nodered.org/t/deploy-only-the-current-flow/10474 "2019-04-23T18:35:35Z")

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Sometimes my fried and I, use the same ND at the same time, I use one flow and he uses another flow, but when I make the deploy in my computer, the changes apply as well in his ND, and vice versa. Is there a way to when …

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## [Pull flow (NodeRed Project) from github at startup](https://discourse.nodered.org/t/pull-flow-nodered-project-from-github-at-startup/10472)

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**Author:** [@Dane809](https://discourse.nodered.org/u/Dane809)\
**Replies:** 2\
**Last updated:** [23 April 2019 17:39 UTC](https://discourse.nodered.org/t/pull-flow-nodered-project-from-github-at-startup/10472 "2019-04-23T17:39:29Z")

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Hey guys, can I configure NodeRed to download the actual GitHub flow.json at startup. I use the new project feature and synchronize all my projects with GitHub. I want to write the flows with my PC and if restart my I…

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## [JSON node cannot parse NaN coming from Arduino Serial](https://discourse.nodered.org/t/json-node-cannot-parse-nan-coming-from-arduino-serial/10431)

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**Author:** [@glrs](https://discourse.nodered.org/u/glrs)\
**Replies:** 19\
**Last updated:** [23 April 2019 16:36 UTC](https://discourse.nodered.org/t/json-node-cannot-parse-nan-coming-from-arduino-serial/10431 "2019-04-23T16:36:27Z")

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I have an Arduino UNO connected via USB to RPi. The Arduino reads a Temperature-Humidity sensor, forms a JSON object with the ArduinoJson library, and sends it through serial to RPi, received by NodeRED. There I parse th…

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## [Webservice with TLS 1.0](https://discourse.nodered.org/t/webservice-with-tls-1-0/2654)

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**Author:** [@Dane809](https://discourse.nodered.org/u/Dane809)\
**Replies:** 4\
**Last updated:** [23 April 2019 16:09 UTC](https://discourse.nodered.org/t/webservice-with-tls-1-0/2654 "2019-04-23T16:09:34Z")

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Hey guys, i have to connect with a webservice. I tried to use the SOAP Node but it didn´t work. Error: ....key to small.... I think, i know the problem but i didn´t find no solution. The Webservice communicate on a T…

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## [Node-Red connection issues](https://discourse.nodered.org/t/node-red-connection-issues/10450)

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**Author:** [@JIMP](https://discourse.nodered.org/u/JIMP)\
**Replies:** 15\
**Last updated:** [23 April 2019 15:38 UTC](https://discourse.nodered.org/t/node-red-connection-issues/10450 "2019-04-23T15:38:48Z")

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Hello guys i really need help setting up Pilz system for automatic messages. We are trying to set the system up so it delivers messages trough GSM module. So far GSM module it self works if we send test message it arriv…

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## [How to set opening zoom on NR web interface](https://discourse.nodered.org/t/how-to-set-opening-zoom-on-nr-web-interface/10466)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 2\
**Last updated:** [23 April 2019 13:26 UTC](https://discourse.nodered.org/t/how-to-set-opening-zoom-on-nr-web-interface/10466 "2019-04-23T13:26:46Z")

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Hi, thanks for help! I have a big flow, which better view with a lot of zoom out to have almost general view. When I open the page for first time (or reload it) I've the default zoom, not cofortable. Any way to define t…

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## [Unclosed string](https://discourse.nodered.org/t/unclosed-string/10458)

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**Author:** [@ApiAsylum](https://discourse.nodered.org/u/ApiAsylum)\
**Replies:** 11\
**Last updated:** [23 April 2019 13:15 UTC](https://discourse.nodered.org/t/unclosed-string/10458 "2019-04-23T13:15:58Z")

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var host0 = msg.payload.response\[0\].hostname; var host0IP = msg.payload.response\[0\].managementIpAddress; var host0S = msg.payload.response\[0\].reachabilityStatus; var host1 = msg.payload.response\[1\].hostname; var host1IP …

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## [Autostart Ubuntu 16.04 Problems?](https://discourse.nodered.org/t/autostart-ubuntu-16-04-problems/10408)

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**Author:** [@longunmin](https://discourse.nodered.org/u/longunmin)\
**Replies:** 9\
**Last updated:** [23 April 2019 11:28 UTC](https://discourse.nodered.org/t/autostart-ubuntu-16-04-problems/10408 "2019-04-23T11:28:22Z")

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I am trying to get Node-Red to start on boot on my NUC running Ubuntu 16.04. I am able to start using the simple node-red command, but any autostart option I try always fails. I have tried the recommend autostart guide…

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## [Node Red watchdog, assure long time working](https://discourse.nodered.org/t/node-red-watchdog-assure-long-time-working/8197)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 20\
**Last updated:** [23 April 2019 11:06 UTC](https://discourse.nodered.org/t/node-red-watchdog-assure-long-time-working/8197 "2019-04-23T11:06:11Z")

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Hi, I've a problem with my raspberry3, for the second time (each time, about 2 weeks after last reboot) I have a frozen, the ping was replying but seems no TCP.. no SSH, no Node Red, no telnet, etc. At second time seems…

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