# Latest

**URL:** https://discourse.nodered.org/latest.md?page=285

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

**Page:** 286

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## [Changing node icons based on configuration](https://discourse.nodered.org/t/changing-node-icons-based-on-configuration/82280)

<div class="topic-metadata">

**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 4\
**Last updated:** [23 October 2023 19:42 UTC](https://discourse.nodered.org/t/changing-node-icons-based-on-configuration/82280 "2023-10-23T19:42:11Z")

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I have been asked by a client if it is possible to make the node icon settable based on a configuration variable... so more dynamic (but only at edit/config time)... Currently we can set the icon based on a function - s…

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## [Switch node jsonata predicate match](https://discourse.nodered.org/t/switch-node-jsonata-predicate-match/82290)

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**Author:** [@stevegroom](https://discourse.nodered.org/u/stevegroom)\
**Replies:** 2\
**Last updated:** [23 October 2023 16:55 UTC](https://discourse.nodered.org/t/switch-node-jsonata-predicate-match/82290 "2023-10-23T16:55:33Z")

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I am trying to get a predicate match in a switch node to look up a device\_ieee and determine the device type - in this case Hue v1 or Hue v2. msg object has been supplemented with roominfo where the device\_ieee can be l…

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## [Dimmer for rf light](https://discourse.nodered.org/t/dimmer-for-rf-light/82291)

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**Author:** [@donbrew](https://discourse.nodered.org/u/donbrew)\
**Replies:** 0\
**Last updated:** [23 October 2023 16:08 UTC](https://discourse.nodered.org/t/dimmer-for-rf-light/82291 "2023-10-23T16:08:31Z")

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I have a litex wall mounted rf remote controlling my ceiling fan. It has 1 button for the light, to dim you hold the button. I have a esp8266 with a cc1101 module attached that controls the fan an turns the light on/of…

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## [Backing up context data](https://discourse.nodered.org/t/backing-up-context-data/82260)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 14\
**Last updated:** [23 October 2023 16:32 UTC](https://discourse.nodered.org/t/backing-up-context-data/82260 "2023-10-23T16:32:48Z")

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Hi all, About 2 years ago, I posted the same issue; Still, I'm facing the same issue and I'm wondering if there are any new thoughts on this? Let me summarize my issue. My NodeRED feeds a Telegram system with about …

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## [Issue accessing SSL version of node-red](https://discourse.nodered.org/t/issue-accessing-ssl-version-of-node-red/82220)

<div class="topic-metadata">

**Author:** [@steveh92](https://discourse.nodered.org/u/steveh92)\
**Replies:** 19\
**Last updated:** [23 October 2023 16:29 UTC](https://discourse.nodered.org/t/issue-accessing-ssl-version-of-node-red/82220 "2023-10-23T16:29:34Z")

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SSL is installed and working on port 1880. I can access the editor and its secure. In my AWS Ubuntu server I've enabled ports to be listened by node-red so I can use 80/443. Using the http in custom ports node, setting…

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## [Sparkfun SX1509 io expander](https://discourse.nodered.org/t/sparkfun-sx1509-io-expander/82288)

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**Author:** [@FHI](https://discourse.nodered.org/u/FHI)\
**Replies:** 2\
**Last updated:** [23 October 2023 16:19 UTC](https://discourse.nodered.org/t/sparkfun-sx1509-io-expander/82288 "2023-10-23T16:19:56Z")

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I have search but cant find any node red support for the SX1509 i2c module. I want to use the pwm function to expand my rpi io count and would like a simple node to set each of the pins on the module

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## [Power Meter - KNX - node red - Modbus - PV Inverter](https://discourse.nodered.org/t/power-meter-knx-node-red-modbus-pv-inverter/82283)

<div class="topic-metadata">

**Author:** [@colalight890](https://discourse.nodered.org/u/colalight890)\
**Replies:** 4\
**Last updated:** [23 October 2023 14:54 UTC](https://discourse.nodered.org/t/power-meter-knx-node-red-modbus-pv-inverter/82283 "2023-10-23T14:54:41Z")

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Halllo all, I am new to the forum and also completely inexperienced with Node red. But I hope to learn quickly. My goal is to provide the electric power values to the inverter - the inverter is the Modbus master - Nod…

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## [Node red via portainer.io](https://discourse.nodered.org/t/node-red-via-portainer-io/82228)

<div class="topic-metadata">

**Author:** [@sn19](https://discourse.nodered.org/u/sn19)\
**Replies:** 3\
**Last updated:** [23 October 2023 13:00 UTC](https://discourse.nodered.org/t/node-red-via-portainer-io/82228 "2023-10-23T13:00:27Z")

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Hello. I am trying install and run NODE RED via portainer.io. I have a PLC and the web interface for this PLC has portainer.io pre-installed in it. I would like to request for some help on how I can install NODE-RED via p…

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## [Set a timestamp when something happens](https://discourse.nodered.org/t/set-a-timestamp-when-something-happens/82276)

<div class="topic-metadata">

**Author:** [@crashoverhead](https://discourse.nodered.org/u/crashoverhead)\
**Replies:** 4\
**Last updated:** [23 October 2023 12:26 UTC](https://discourse.nodered.org/t/set-a-timestamp-when-something-happens/82276 "2023-10-23T12:26:00Z")

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Hello everyone, I'm going crazy trying to find a simple solution to set a timestamp in my flow. In practice I have a flow with inject every second and at the rising edge , from OFF to ON of a boolean, I would like to s…

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## [HTTP Request ENETUNREACH with IPv6](https://discourse.nodered.org/t/http-request-enetunreach-with-ipv6/82186)

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**Author:** [@fabio.amorim](https://discourse.nodered.org/u/fabio.amorim)\
**Replies:** 15\
**Last updated:** [23 October 2023 11:32 UTC](https://discourse.nodered.org/t/http-request-enetunreach-with-ipv6/82186 "2023-10-23T11:32:57Z")

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I am going through the following situation: I am using a 4G chip that provides only IPv6, and because of this, I am unable to make any HTTP requests in Node-RED. It always returns ENETUNREACH. In the case of an IPv4 conn…

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## [Node-RED compromise hack](https://discourse.nodered.org/t/node-red-compromise-hack/82257)

<div class="topic-metadata">

**Author:** [@meccip](https://discourse.nodered.org/u/meccip)\
**Replies:** 19\
**Last updated:** [23 October 2023 07:26 UTC](https://discourse.nodered.org/t/node-red-compromise-hack/82257 "2023-10-23T07:26:50Z")

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Hello, I have this exec function appear on my flow. I delete it two times and keep appearing. Can someone help with this problem ? Thank you.

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## [Read BACnet Data with another structure](https://discourse.nodered.org/t/read-bacnet-data-with-another-structure/82271)

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**Author:** [@websystem](https://discourse.nodered.org/u/websystem)\
**Replies:** 0\
**Last updated:** [23 October 2023 06:45 UTC](https://discourse.nodered.org/t/read-bacnet-data-with-another-structure/82271 "2023-10-23T06:45:16Z")

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Hello, i use the node-red-contrib-bacnet to read the Data of a BACnet IP Gateway when i test with the Yabe Tool \> Room Simulator i can read Data and it is working all well... but when i want to read Data from my Produ…

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## [Node Red Dashboard border border line](https://discourse.nodered.org/t/node-red-dashboard-border-border-line/82211)

<div class="topic-metadata">

**Author:** [@Tomi](https://discourse.nodered.org/u/Tomi)\
**Replies:** 2\
**Last updated:** [22 October 2023 23:42 UTC](https://discourse.nodered.org/t/node-red-dashboard-border-border-line/82211 "2023-10-22T23:42:58Z")

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hello I want to add a border inside the Nord Red dashboard, is there any way? I want to make it look like a picture flows.json (394.5 KB)

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## [Can I use JSONata to access elements of a msg.payload when it's a buffer of byte?](https://discourse.nodered.org/t/can-i-use-jsonata-to-access-elements-of-a-msg-payload-when-its-a-buffer-of-byte/82250)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 15\
**Last updated:** [22 October 2023 17:02 UTC](https://discourse.nodered.org/t/can-i-use-jsonata-to-access-elements-of-a-msg-payload-when-its-a-buffer-of-byte/82250 "2023-10-22T17:02:43Z")

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Google is getting me nowhere :frowning:

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## [Set ESP32 output w/o using MQTT](https://discourse.nodered.org/t/set-esp32-output-w-o-using-mqtt/82242)

<div class="topic-metadata">

**Author:** [@FlowZone](https://discourse.nodered.org/u/FlowZone)\
**Replies:** 8\
**Last updated:** [22 October 2023 14:32 UTC](https://discourse.nodered.org/t/set-esp32-output-w-o-using-mqtt/82242 "2023-10-22T14:32:12Z")

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I can read ESP32 input port values directly from Node-RED "Poll State" component (connected via Raspberry Pi running Node-RED). Now I need to set a binary port of the ESP32 to high or low on certain conditions. Everywhe…

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## [Close half-open sockets](https://discourse.nodered.org/t/close-half-open-sockets/82254)

<div class="topic-metadata">

**Author:** [@nagik](https://discourse.nodered.org/u/nagik)\
**Replies:** 1\
**Last updated:** [22 October 2023 12:27 UTC](https://discourse.nodered.org/t/close-half-open-sockets/82254 "2023-10-22T12:27:15Z")

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Hi, I am fairly new to NodeRed - I would like to know how to implement the following in NodeRed: I am using a TCP Server to receive incoming connections from various devices. Since we are operating over a 'lossy netwo…

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## [Java version - object programming](https://discourse.nodered.org/t/java-version-object-programming/82251)

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**Author:** [@hacesoft](https://discourse.nodered.org/u/hacesoft)\
**Replies:** 1\
**Last updated:** [22 October 2023 10:15 UTC](https://discourse.nodered.org/t/java-version-object-programming/82251 "2023-10-22T10:15:31Z")

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What version is used in NODE-RED, I wrote the object code in the function node and it gives me a bunch of errors... I don't see any errors anywhere...

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## [Fronius-solar 1.0.4](https://discourse.nodered.org/t/fronius-solar-1-0-4/81699)

<div class="topic-metadata">

**Author:** [@Wurmi](https://discourse.nodered.org/u/Wurmi)\
**Replies:** 11\
**Last updated:** [21 October 2023 20:22 UTC](https://discourse.nodered.org/t/fronius-solar-1-0-4/81699 "2023-10-21T20:22:40Z")

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Hello I have updated “fronius-solar” to version 1.0.4 and now I receive the following error message: "TypeError: fronius.GetPowerFlowRealtimeData is not a function" Before the update it worked without any problems. Do…

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## [Electrical water sprayer for plants?](https://discourse.nodered.org/t/electrical-water-sprayer-for-plants/82199)

<div class="topic-metadata">

**Author:** [@bradfield](https://discourse.nodered.org/u/bradfield)\
**Replies:** 3\
**Last updated:** [21 October 2023 19:58 UTC](https://discourse.nodered.org/t/electrical-water-sprayer-for-plants/82199 "2023-10-21T19:58:25Z")

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Hello, I have few plants that I want to regularly spray with water during the winter. Has anyone done this ? I am especially looking for a small electrical water sprayer which is suited for this. Best Regards, Ralf

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## [How to enter multiple input](https://discourse.nodered.org/t/how-to-enter-multiple-input/82213)

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**Author:** [@hacesoft](https://discourse.nodered.org/u/hacesoft)\
**Replies:** 15\
**Last updated:** [21 October 2023 19:48 UTC](https://discourse.nodered.org/t/how-to-enter-multiple-input/82213 "2023-10-21T19:48:21Z")

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Have a nice day, I can't figure out how to calculate the given value from solar chargers. I have the following code: var output1 = msg.payload\[0\]; // Performance from the first tracker var output2 = msg.payload\[1\]; // …

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## [How to change node-red dashboard icon](https://discourse.nodered.org/t/how-to-change-node-red-dashboard-icon/82243)

<div class="topic-metadata">

**Author:** [@halukmy](https://discourse.nodered.org/u/halukmy)\
**Replies:** 1\
**Last updated:** [21 October 2023 19:31 UTC](https://discourse.nodered.org/t/how-to-change-node-red-dashboard-icon/82243 "2023-10-21T19:31:38Z")

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https://nodered.org/about/resources/ how to change this icon to our new icon?

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## [Node-red login for mobile apps](https://discourse.nodered.org/t/node-red-login-for-mobile-apps/81984)

<div class="topic-metadata">

**Author:** [@halukmy](https://discourse.nodered.org/u/halukmy)\
**Replies:** 11\
**Last updated:** [21 October 2023 19:35 UTC](https://discourse.nodered.org/t/node-red-login-for-mobile-apps/81984 "2023-10-21T19:35:44Z")

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string apiUrl = "http://40.87.141.219:1880/ui/"; // API endpoint using (HttpClient httpClient = new HttpClient()) { string base64Credentials = Convert.ToBase64String(Encoding.ASCII.GetBytes($"{username}:{passwo…

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## [Trouble making node-red-contrib-iiot-rpi-ads1115 2.0.5 work](https://discourse.nodered.org/t/trouble-making-node-red-contrib-iiot-rpi-ads1115-2-0-5-work/81898)

<div class="topic-metadata">

**Author:** [@HemiJeepster](https://discourse.nodered.org/u/HemiJeepster)\
**Replies:** 8\
**Last updated:** [21 October 2023 18:38 UTC](https://discourse.nodered.org/t/trouble-making-node-red-contrib-iiot-rpi-ads1115-2-0-5-work/81898 "2023-10-21T18:38:50Z")

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Hi, I’m very new to using Node-red and raspberry pi, but have managed to get several sensors working. Having trouble getting this one to work. Maybe my wiring is off. Or the way I have it set up. When I loaded the exam…

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## [How to format energy data](https://discourse.nodered.org/t/how-to-format-energy-data/82237)

<div class="topic-metadata">

**Author:** [@AleXSR700](https://discourse.nodered.org/u/AleXSR700)\
**Replies:** 29\
**Last updated:** [21 October 2023 18:29 UTC](https://discourse.nodered.org/t/how-to-format-energy-data/82237 "2023-10-21T18:29:12Z")

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I have run into a small issue during my attempt to optimize even more the data that is published. I would like to create a msg property "TimeDelta" with the object parameter (e.g. "ENERGY.Power") and the values of the d…

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## [Beginner questions on IF expressions and wildcard usage in function node](https://discourse.nodered.org/t/beginner-questions-on-if-expressions-and-wildcard-usage-in-function-node/80999)

<div class="topic-metadata">

**Author:** [@AleXSR700](https://discourse.nodered.org/u/AleXSR700)\
**Replies:** 220\
**Last updated:** [21 October 2023 13:13 UTC](https://discourse.nodered.org/t/beginner-questions-on-if-expressions-and-wildcard-usage-in-function-node/80999 "2023-10-21T13:13:27Z")

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Hello everyone, I am trying to step by step build a small MQTT filter flow. I have my MQTT input all set up and can receive messages and I can "filter" using a function node with e.g. var msg = { payload: msg.payload.…

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## [Interesting behaviour of empty Blockly node](https://discourse.nodered.org/t/interesting-behaviour-of-empty-blockly-node/82178)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 9\
**Last updated:** [21 October 2023 10:08 UTC](https://discourse.nodered.org/t/interesting-behaviour-of-empty-blockly-node/82178 "2023-10-21T10:08:59Z")

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Just while I'm testing other stuff out - I created the simplest flow with nothing in the Blockly node and just on a whim - pressed the inject - and was surprised that the timestamp went thru Tried the same with empty…

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## [Show a message in the log with \`postinstall\` script](https://discourse.nodered.org/t/show-a-message-in-the-log-with-postinstall-script/82164)

<div class="topic-metadata">

**Author:** [@GogoVega](https://discourse.nodered.org/u/GogoVega)\
**Replies:** 3\
**Last updated:** [21 October 2023 09:20 UTC](https://discourse.nodered.org/t/show-a-message-in-the-log-with-postinstall-script/82164 "2023-10-21T09:20:49Z")

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Hi all, I would like to display a message in the log after installation using the postinstall script but it seems that this is not natively possible (see \[BUG\] npm install does not run postinstall nor does it show name &…

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## [Good way to handle and combine many msg from a tcp server](https://discourse.nodered.org/t/good-way-to-handle-and-combine-many-msg-from-a-tcp-server/82205)

<div class="topic-metadata">

**Author:** [@JeromeVISUALS](https://discourse.nodered.org/u/JeromeVISUALS)\
**Replies:** 8\
**Last updated:** [20 October 2023 19:55 UTC](https://discourse.nodered.org/t/good-way-to-handle-and-combine-many-msg-from-a-tcp-server/82205 "2023-10-20T19:55:49Z")

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Hi there. I have a flow in which I send many requests to a TCP server, and gets many different messages back from the server, all set properly with a specific msg.topic so I can filter them correctly when they arrive. S…

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## [Calculate how many hours fireplace burned in a day](https://discourse.nodered.org/t/calculate-how-many-hours-fireplace-burned-in-a-day/81928)

<div class="topic-metadata">

**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 16\
**Last updated:** [20 October 2023 19:42 UTC](https://discourse.nodered.org/t/calculate-how-many-hours-fireplace-burned-in-a-day/81928 "2023-10-20T19:42:25Z")

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Hey All, I have a Rocket Mass Heater with a thermocouple sensor. I'm trying to report how many hours per day fire is burning. Something like if the temp rises over 300 drop a timestamp. When the temp drops below 300 …

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## [I am beginner and my company wants to learn node-red and i don't have anything where and how to start](https://discourse.nodered.org/t/i-am-beginner-and-my-company-wants-to-learn-node-red-and-i-dont-have-anything-where-and-how-to-start/82174)

<div class="topic-metadata">

**Author:** [@rootAvadhut](https://discourse.nodered.org/u/rootAvadhut)\
**Replies:** 5\
**Last updated:** [20 October 2023 19:36 UTC](https://discourse.nodered.org/t/i-am-beginner-and-my-company-wants-to-learn-node-red-and-i-dont-have-anything-where-and-how-to-start/82174 "2023-10-20T19:36:14Z")

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