# Latest

**URL:** https://discourse.nodered.org/latest.md?page=783

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

**Page:** 784

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## [How to get Node unique identifier](https://discourse.nodered.org/t/how-to-get-node-unique-identifier/47790)

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**Author:** [@kiran007](https://discourse.nodered.org/u/kiran007)\
**Replies:** 2\
**Last updated:** [29 June 2021 12:31 UTC](https://discourse.nodered.org/t/how-to-get-node-unique-identifier/47790 "2021-06-29T12:31:18Z")

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I want to get this highlighted Node id in node js file how to achieve it?

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## [functionGlobalContext on Raspberry PI](https://discourse.nodered.org/t/functionglobalcontext-on-raspberry-pi/16983)

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**Author:** [@KeMa](https://discourse.nodered.org/u/KeMa)\
**Replies:** 19\
**Last updated:** [29 June 2021 12:12 UTC](https://discourse.nodered.org/t/functionglobalcontext-on-raspberry-pi/16983 "2021-06-29T12:12:59Z")

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Hello everybody, I have a problem with loading an external function on a Raspberry PI. To load the module I added it in the "settings.js". functionGlobalContext: { arfunc:require('to-array') } In the function-node …

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## [Payload as dropdown pair](https://discourse.nodered.org/t/payload-as-dropdown-pair/47784)

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**Author:** [@watwat](https://discourse.nodered.org/u/watwat)\
**Replies:** 1\
**Last updated:** [29 June 2021 11:08 UTC](https://discourse.nodered.org/t/payload-as-dropdown-pair/47784 "2021-06-29T11:08:16Z")

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A problem that I have walked upon is getting a msg.payload as the label in a dropdown, though it works the way around as an id. This is what I want (ends up in error): {msg.payload: id} but having it as id works fine: …

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## [NodeRed Restarting](https://discourse.nodered.org/t/nodered-restarting/47760)

<div class="topic-metadata">

**Author:** [@jonchargreaves](https://discourse.nodered.org/u/jonchargreaves)\
**Replies:** 3\
**Last updated:** [29 June 2021 10:22 UTC](https://discourse.nodered.org/t/nodered-restarting/47760 "2021-06-29T10:22:55Z")

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Hi everyone I have an instance of NodeRed recording 5 DS18B20 temperature probes sometimes the NodeRed instance restarts randomly, below is the output from the syslog can anybody help? Jun 28 01:53:09 object1 Node-RED\[3…

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## [Cron-plus and next event](https://discourse.nodered.org/t/cron-plus-and-next-event/47746)

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**Author:** [@Simon01011](https://discourse.nodered.org/u/Simon01011)\
**Replies:** 12\
**Last updated:** [29 June 2021 09:40 UTC](https://discourse.nodered.org/t/cron-plus-and-next-event/47746 "2021-06-29T09:40:25Z")

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Hi! I'm using the cron-plus node. My question: is there a way to get the time and date of the event that will execute next? Like in the status shown in the editor? Background: I'd like to use the cron-pus node in a sub…

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## [How to setup a multi-input form to register an Item](https://discourse.nodered.org/t/how-to-setup-a-multi-input-form-to-register-an-item/47773)

<div class="topic-metadata">

**Author:** [@WeeSeong](https://discourse.nodered.org/u/WeeSeong)\
**Replies:** 4\
**Last updated:** [29 June 2021 09:34 UTC](https://discourse.nodered.org/t/how-to-setup-a-multi-input-form-to-register-an-item/47773 "2021-06-29T09:34:36Z")

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Hi everyone, I'm rather new to Node-RED and I want to setup a page for me to key in details to reserve an item into a database. What I had in mind was to key in the values through numbers of ui\_text\_input and ui\_dropdow…

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## [How to install NodeRed with a zip file](https://discourse.nodered.org/t/how-to-install-nodered-with-a-zip-file/47779)

<div class="topic-metadata">

**Author:** [@bfxnapnxpv](https://discourse.nodered.org/u/bfxnapnxpv)\
**Replies:** 1\
**Last updated:** [29 June 2021 09:09 UTC](https://discourse.nodered.org/t/how-to-install-nodered-with-a-zip-file/47779 "2021-06-29T09:09:35Z")

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We have a special image of Raspbian, with all prerequisites (e.g. apache2, mariadb, php73, node.js etc. pp.) We have an installier file (.deb) which can be used with APT or download directly with "wget" then install wit…

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## [Formula con nodo function](https://discourse.nodered.org/t/formula-con-nodo-function/47575)

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**Author:** [@davidfigueroa](https://discourse.nodered.org/u/davidfigueroa)\
**Replies:** 3\
**Last updated:** [29 June 2021 09:03 UTC](https://discourse.nodered.org/t/formula-con-nodo-function/47575 "2021-06-29T09:03:12Z")

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How can I create this formula with a function node

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## [Ui\_text without background](https://discourse.nodered.org/t/ui-text-without-background/47758)

<div class="topic-metadata">

**Author:** [@Mario](https://discourse.nodered.org/u/Mario)\
**Replies:** 2\
**Last updated:** [29 June 2021 08:45 UTC](https://discourse.nodered.org/t/ui-text-without-background/47758 "2021-06-29T08:45:37Z")

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Hello, is it possible to create a ui\_text element without a background color? I have a dashboard with a background image on which the text field no longer looks good with a white background - see image.

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## [Node-RED v0.19.4 3 minute delay during startup on windows](https://discourse.nodered.org/t/node-red-v0-19-4-3-minute-delay-during-startup-on-windows/3798)

<div class="topic-metadata">

**Author:** [@Lace](https://discourse.nodered.org/u/Lace)\
**Replies:** 17\
**Last updated:** [29 June 2021 08:13 UTC](https://discourse.nodered.org/t/node-red-v0-19-4-3-minute-delay-during-startup-on-windows/3798 "2021-06-29T08:13:19Z")

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On windows I experience long startup delays of up to 3 minutes between Node-RED start and "Loading palette nodes" log message. Welcome to Node-RED 8 Oct. 16:07:02 - \[info\] Node-RED version v0.19.4 8 Oct. 16:07:02 - \[in…

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## [Checking status of sensor](https://discourse.nodered.org/t/checking-status-of-sensor/47772)

<div class="topic-metadata">

**Author:** [@subwayfootlong](https://discourse.nodered.org/u/subwayfootlong)\
**Replies:** 3\
**Last updated:** [29 June 2021 08:11 UTC](https://discourse.nodered.org/t/checking-status-of-sensor/47772 "2021-06-29T08:11:54Z")

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Hello all, I want to ask what would be the best way to achieve my this desired outcome using red. A sensor is outputting information every second. If the sensor is off, it would not have any output. After 5 seconds …

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## [Bluetooth signal strength phone](https://discourse.nodered.org/t/bluetooth-signal-strength-phone/47755)

<div class="topic-metadata">

**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 1\
**Last updated:** [29 June 2021 04:56 UTC](https://discourse.nodered.org/t/bluetooth-signal-strength-phone/47755 "2021-06-29T04:56:49Z")

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I have been trying to get bluetooth working with my phone, nothing seems to work properly. Sure there are nodes which indicate true or false if phone is in range. What I would like to do is measure the signal strength of…

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## [Unable to Upload to Firebase Storage](https://discourse.nodered.org/t/unable-to-upload-to-firebase-storage/47766)

<div class="topic-metadata">

**Author:** [@JasonW](https://discourse.nodered.org/u/JasonW)\
**Replies:** 0\
**Last updated:** [29 June 2021 04:06 UTC](https://discourse.nodered.org/t/unable-to-upload-to-firebase-storage/47766 "2021-06-29T04:06:02Z")

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I am trying to use node-red-contrib-firebase-storage to upload images from local storage to Firebase Storage. However, the status of the upload node will keep show uploading. The variable that I send into the upload node…

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## [UDP 3 Signals but i can displayed only 1 signal](https://discourse.nodered.org/t/udp-3-signals-but-i-can-displayed-only-1-signal/47618)

<div class="topic-metadata">

**Author:** [@PNWw](https://discourse.nodered.org/u/PNWw)\
**Replies:** 11\
**Last updated:** [29 June 2021 02:21 UTC](https://discourse.nodered.org/t/udp-3-signals-but-i-can-displayed-only-1-signal/47618 "2021-06-29T02:21:51Z")

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i just have sensor and they send 3 signals output but i cant displayed all signal.I only display only 1 signal.

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## [Function node efficiency](https://discourse.nodered.org/t/function-node-efficiency/47728)

<div class="topic-metadata">

**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 5\
**Last updated:** [29 June 2021 01:55 UTC](https://discourse.nodered.org/t/function-node-efficiency/47728 "2021-06-29T01:55:44Z")

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I understand generally that function nodes are less efficient than doing the same change via built in nodes. I am thinking about a situation with 2 flow 1a and 1b. 1a takes inputs processes it through a complex functi…

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## [So how does \`grafana\` compare to the \`dashboard\`](https://discourse.nodered.org/t/so-how-does-grafana-compare-to-the-dashboard/47738)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [29 June 2021 00:29 UTC](https://discourse.nodered.org/t/so-how-does-grafana-compare-to-the-dashboard/47738 "2021-06-29T00:29:59Z")

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Yeah, ok, I should probably research it a bit myself. But I see it is mentioned here. How is it different to the supplied dashboard? Are there any advantages? Though I guess that comes down to what is needed by the u…

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## [Something wrong with the time](https://discourse.nodered.org/t/something-wrong-with-the-time/47740)

<div class="topic-metadata">

**Author:** [@kamcio](https://discourse.nodered.org/u/kamcio)\
**Replies:** 9\
**Last updated:** [28 June 2021 20:43 UTC](https://discourse.nodered.org/t/something-wrong-with-the-time/47740 "2021-06-28T20:43:37Z")

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Hello, where is the mistake? I want, that every day at 9:00 am the dwd node check how many it will be rain in the next 24h and turn on / off the pump but how You can see, nothing has happened today at 9:00 am. What cou…

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## [Payload message object key with a space?](https://discourse.nodered.org/t/payload-message-object-key-with-a-space/47757)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [28 June 2021 20:38 UTC](https://discourse.nodered.org/t/payload-message-object-key-with-a-space/47757 "2021-06-28T20:38:10Z")

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Payload message object key with a space? Got a python script that sends MQTT data and one of the keys in the resulting JavaScript object (via JSON) has spaces in the key string. So, "System Up TIme: XXXXX" versus "Syst…

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## [Optimizing Switch Nodes / OPCUA](https://discourse.nodered.org/t/optimizing-switch-nodes-opcua/46524)

<div class="topic-metadata">

**Author:** [@psalibe](https://discourse.nodered.org/u/psalibe)\
**Replies:** 28\
**Last updated:** [28 June 2021 19:57 UTC](https://discourse.nodered.org/t/optimizing-switch-nodes-opcua/46524 "2021-06-28T19:57:39Z")

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I have a general question about the capabilities of the switch node. For example, in the screenshot attached, I am sending just about all of my OPC info through one READ node that then goes to a switch node, and using br…

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## [Virtual keyboard using HID gadget](https://discourse.nodered.org/t/virtual-keyboard-using-hid-gadget/47255)

<div class="topic-metadata">

**Author:** [@injector22](https://discourse.nodered.org/u/injector22)\
**Replies:** 2\
**Last updated:** [28 June 2021 19:29 UTC](https://discourse.nodered.org/t/virtual-keyboard-using-hid-gadget/47255 "2021-06-28T19:29:27Z")

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I know this is somewhat out of the realm of node-red but I figured I don't lose anything by asking. I'm using node-red to send HID (keyboard/mouse) commands to a host device. I used the project below to enable HID mode…

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## [Remove expiration from JWT](https://discourse.nodered.org/t/remove-expiration-from-jwt/47750)

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**Author:** [@torrent](https://discourse.nodered.org/u/torrent)\
**Replies:** 2\
**Last updated:** [28 June 2021 18:36 UTC](https://discourse.nodered.org/t/remove-expiration-from-jwt/47750 "2021-06-28T18:36:03Z")

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I am trying to create jwt from json data. The problem is, I am using this node and it always creates a jwt with iat (issue at) and exp (expiration) like this: Question is: how can I remove iat and exp from jwt?

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## [ASCII Input for MQTT-In](https://discourse.nodered.org/t/ascii-input-for-mqtt-in/47719)

<div class="topic-metadata">

**Author:** [@klaus123](https://discourse.nodered.org/u/klaus123)\
**Replies:** 9\
**Last updated:** [28 June 2021 16:59 UTC](https://discourse.nodered.org/t/ascii-input-for-mqtt-in/47719 "2021-06-28T16:59:07Z")

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Hello I have (probably) a quite basic problem as i am not very deep in NR so far. I hope this is the right category. I want to controll my Wallbox with RS485-ASCII interface via a converter (PW21) and Node Red The Co…

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## [How to put msg.payload in a variable in Python to use it to be displayed on a LCD 16x2 Screen](https://discourse.nodered.org/t/how-to-put-msg-payload-in-a-variable-in-python-to-use-it-to-be-displayed-on-a-lcd-16x2-screen/47474)

<div class="topic-metadata">

**Author:** [@Gureggru](https://discourse.nodered.org/u/Gureggru)\
**Replies:** 5\
**Last updated:** [28 June 2021 16:32 UTC](https://discourse.nodered.org/t/how-to-put-msg-payload-in-a-variable-in-python-to-use-it-to-be-displayed-on-a-lcd-16x2-screen/47474 "2021-06-28T16:32:06Z")

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Hello, I'm sorry to ask such Noob questions here, but I am a IT student and we have a branch about creating a project with Node Red and a Raspberry Pi. First of all we simulate a Glasshouse where we check every minute th…

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## [SQLite Node good practices](https://discourse.nodered.org/t/sqlite-node-good-practices/47747)

<div class="topic-metadata">

**Author:** [@ramoncavaco](https://discourse.nodered.org/u/ramoncavaco)\
**Replies:** 0\
**Last updated:** [28 June 2021 12:44 UTC](https://discourse.nodered.org/t/sqlite-node-good-practices/47747 "2021-06-28T12:44:19Z")

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Hello! Are the node-red-node-sqlite requests queued or concurrent? Any tips on best practices using this node? Any examples on how to safely queue commands?

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## [UI Dropdown Single Entry selection problem](https://discourse.nodered.org/t/ui-dropdown-single-entry-selection-problem/47743)

<div class="topic-metadata">

**Author:** [@lizhong](https://discourse.nodered.org/u/lizhong)\
**Replies:** 5\
**Last updated:** [28 June 2021 12:39 UTC](https://discourse.nodered.org/t/ui-dropdown-single-entry-selection-problem/47743 "2021-06-28T12:39:49Z")

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Hi all, I am currently attempting to populate my dropdown UI dynamically based on the results from my queries from my InfluxDB. Then selecting the options, I set the options to my flow context where I wish to work with f…

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## [Beaglebone green wireless gateway](https://discourse.nodered.org/t/beaglebone-green-wireless-gateway/47737)

<div class="topic-metadata">

**Author:** [@Aivaras](https://discourse.nodered.org/u/Aivaras)\
**Replies:** 2\
**Last updated:** [28 June 2021 12:12 UTC](https://discourse.nodered.org/t/beaglebone-green-wireless-gateway/47737 "2021-06-28T12:12:59Z")

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Hello, Can someone write a script to function block to read analog value using A0 pin ? Johhny5 function blocks crashes my node-red Best regards Aivaras

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## [Formatting data to excel](https://discourse.nodered.org/t/formatting-data-to-excel/47533)

<div class="topic-metadata">

**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 4\
**Last updated:** [28 June 2021 12:11 UTC](https://discourse.nodered.org/t/formatting-data-to-excel/47533 "2021-06-28T12:11:01Z")

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good afternoon all, I need a little help with formatting the data in the attached pic to a readble EXCEL format. thanks

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## [How to change the button node name?](https://discourse.nodered.org/t/how-to-change-the-button-node-name/47727)

<div class="topic-metadata">

**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 17\
**Last updated:** [28 June 2021 10:07 UTC](https://discourse.nodered.org/t/how-to-change-the-button-node-name/47727 "2021-06-28T10:07:51Z")

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Dear All : How to change? Like red circle "switch" chane to another name? Can or not? Thank u.

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## [Hall magnetic sensor KY-003 signal in Dashboard](https://discourse.nodered.org/t/hall-magnetic-sensor-ky-003-signal-in-dashboard/47463)

<div class="topic-metadata">

**Author:** [@Blu3](https://discourse.nodered.org/u/Blu3)\
**Replies:** 8\
**Last updated:** [28 June 2021 09:36 UTC](https://discourse.nodered.org/t/hall-magnetic-sensor-ky-003-signal-in-dashboard/47463 "2021-06-28T09:36:44Z")

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Hello everyone, iam new in the Node-RED community and an absolute beginner in programming (which i want to change). At the moment i have my Raspberry and a KY-003 hall magnetic sensor. The connection to the Raspberry i…

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## [Ask : two node to one function?](https://discourse.nodered.org/t/ask-two-node-to-one-function/47736)

<div class="topic-metadata">

**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 9\
**Last updated:** [28 June 2021 09:36 UTC](https://discourse.nodered.org/t/ask-two-node-to-one-function/47736 "2021-06-28T09:36:23Z")

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Dear All : The switch has topic is no2\_pn, but hv error...why? In the code Line 20 that is correct? Or in the code has another error? Thank u.

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