# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=402

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

**Page:** 403

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## [Node-red-contrib-boolean-logic](https://discourse.nodered.org/t/node-red-contrib-boolean-logic/59931)

<div class="topic-metadata">

**Author:** [@\_mirjka](https://discourse.nodered.org/u/_mirjka)\
**Replies:** 6\
**Last updated:** [21 March 2022 09:28 UTC](https://discourse.nodered.org/t/node-red-contrib-boolean-logic/59931 "2022-03-21T09:28:50Z")

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Hi, after a lot googleing and searching in this forum (without success), I decided to open a new topic. I have no experience in programming :wink: Acutally I can´t get the node-red-contrib-boolean-logic "AND" running. …

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## [How to do a timer switch?](https://discourse.nodered.org/t/how-to-do-a-timer-switch/60128)

<div class="topic-metadata">

**Author:** [@Leopoll](https://discourse.nodered.org/u/Leopoll)\
**Replies:** 12\
**Last updated:** [21 March 2022 08:29 UTC](https://discourse.nodered.org/t/how-to-do-a-timer-switch/60128 "2022-03-21T08:29:13Z")

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please help me, how to make this circuit? If timestamp2 is activated less than 30s aftertime stamp1, then output1; otherwise output 2.

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## [Nodejs and npm upgrade issue in the opcua package](https://discourse.nodered.org/t/nodejs-and-npm-upgrade-issue-in-the-opcua-package/60127)

<div class="topic-metadata">

**Author:** [@muharremsari](https://discourse.nodered.org/u/muharremsari)\
**Replies:** 6\
**Last updated:** [21 March 2022 08:18 UTC](https://discourse.nodered.org/t/nodejs-and-npm-upgrade-issue-in-the-opcua-package/60127 "2022-03-21T08:18:48Z")

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Previously i was sending over someone data with the OPCUA-IIoT-Flex-Server contained in the node-red-contrib-lativ content package I couldn't install this package after update I get errors shown below incompatible w…

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## [How to hide or change the socketId after localhost:1880/ui in the URL](https://discourse.nodered.org/t/how-to-hide-or-change-the-socketid-after-localhost-1880-ui-in-the-url/60131)

<div class="topic-metadata">

**Author:** [@quemf](https://discourse.nodered.org/u/quemf)\
**Replies:** 1\
**Last updated:** [21 March 2022 08:09 UTC](https://discourse.nodered.org/t/how-to-hide-or-change-the-socketid-after-localhost-1880-ui-in-the-url/60131 "2022-03-21T08:09:30Z")

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Hi everyone, I come from this topic: How to detect which user is connected to Node-RED And now, I am trying to hide the socketid that follows the URL localhost:1880/ui. Does anyone know how to do it? Thank you in adv…

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## [Sending Bytes to Arduino via Serial Node](https://discourse.nodered.org/t/sending-bytes-to-arduino-via-serial-node/60113)

<div class="topic-metadata">

**Author:** [@rayank97](https://discourse.nodered.org/u/rayank97)\
**Replies:** 2\
**Last updated:** [21 March 2022 08:04 UTC](https://discourse.nodered.org/t/sending-bytes-to-arduino-via-serial-node/60113 "2022-03-21T08:04:21Z")

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Hello everyone, I have a project where I need 6 function blocks, each performing the functions of a button (0/1), to send their value in binary via the Serial node. As of now, I'm testing this with just 1 such function …

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## [Convert Object array of SINT's to String](https://discourse.nodered.org/t/convert-object-array-of-sints-to-string/60120)

<div class="topic-metadata">

**Author:** [@GoEasyOnMe](https://discourse.nodered.org/u/GoEasyOnMe)\
**Replies:** 4\
**Last updated:** [21 March 2022 04:31 UTC](https://discourse.nodered.org/t/convert-object-array-of-sints-to-string/60120 "2022-03-21T04:31:06Z")

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Hi all, Looking for some help, Using the Node Red Ethernet IP node I have some data coming in the form of an object of SINTs. This is variable length. I want to use a function node to convert this into a String. I've tr…

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## [Display Node-Red dashboard/UI on public webpage](https://discourse.nodered.org/t/display-node-red-dashboard-ui-on-public-webpage/60117)

<div class="topic-metadata">

**Author:** [@astrojav](https://discourse.nodered.org/u/astrojav)\
**Replies:** 2\
**Last updated:** [20 March 2022 22:10 UTC](https://discourse.nodered.org/t/display-node-red-dashboard-ui-on-public-webpage/60117 "2022-03-20T22:10:26Z")

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Hi folks, I've created an awesome dashboard using the node-red dashboard interface, below is a screenshot. I can now access it within my local network at 192.168.0.27:1880 Is there a way to publish it to a webpage at a…

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## [MQTT data to a mySQL to display data on public website](https://discourse.nodered.org/t/mqtt-data-to-a-mysql-to-display-data-on-public-website/60082)

<div class="topic-metadata">

**Author:** [@astrojav](https://discourse.nodered.org/u/astrojav)\
**Replies:** 13\
**Last updated:** [20 March 2022 21:03 UTC](https://discourse.nodered.org/t/mqtt-data-to-a-mysql-to-display-data-on-public-website/60082 "2022-03-20T21:03:18Z")

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Hi folks, Firstly I'm not a programmer but can follow instructions quite well. I have an ESP32 sending sensors data to Node-red on a Raspberry Pi, acting as an MQTT broker. The MQTT broker subscribes to a single topic …

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## [Payload between range for 5 minutes](https://discourse.nodered.org/t/payload-between-range-for-5-minutes/60102)

<div class="topic-metadata">

**Author:** [@Amishman](https://discourse.nodered.org/u/Amishman)\
**Replies:** 4\
**Last updated:** [20 March 2022 17:27 UTC](https://discourse.nodered.org/t/payload-between-range-for-5-minutes/60102 "2022-03-20T17:27:36Z")

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I have an energy monitoring plug on my dumb washer. When my washer throws an error, the watts stay between 22 and 27. I would like to know how to see if the payload stays between 22 - 27 for 5 minutes? I have no idea whe…

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## [Pallete Update generates error (Raspberrymatic on RP4)](https://discourse.nodered.org/t/pallete-update-generates-error-raspberrymatic-on-rp4/60105)

<div class="topic-metadata">

**Author:** [@renenl2](https://discourse.nodered.org/u/renenl2)\
**Replies:** 14\
**Last updated:** [20 March 2022 17:19 UTC](https://discourse.nodered.org/t/pallete-update-generates-error-raspberrymatic-on-rp4/60105 "2022-03-20T17:19:32Z")

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Hi, I'm a bit new to this world so sorry if this is well known and simple. I'm using Raspberrymatic on an RP4. The homeautomisation is done in node-red. At first everything worked well now on attempt to install further…

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## [MQTT user definition](https://discourse.nodered.org/t/mqtt-user-definition/60111)

<div class="topic-metadata">

**Author:** [@Rodrixx05](https://discourse.nodered.org/u/Rodrixx05)\
**Replies:** 1\
**Last updated:** [20 March 2022 17:00 UTC](https://discourse.nodered.org/t/mqtt-user-definition/60111 "2022-03-20T17:00:40Z")

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Hi everyone, I want to send data from Modbus devices to the IoT platform ThingsBoard via MQTT using the MQTT out node. The MQTT API from the platform defines the MQTT user as the device token. So the data gathered for e…

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## [Combining 2 http requests into one flow](https://discourse.nodered.org/t/combining-2-http-requests-into-one-flow/60107)

<div class="topic-metadata">

**Author:** [@milner236](https://discourse.nodered.org/u/milner236)\
**Replies:** 5\
**Last updated:** [20 March 2022 14:51 UTC](https://discourse.nodered.org/t/combining-2-http-requests-into-one-flow/60107 "2022-03-20T14:51:20Z")

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Hello everyone. There is an API process that involves 2 flows: HTTP request with basic authentication (username and pw) that generates an API token. Taking that API token and using it in another HTTP request with bear…

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## [Tuya smoke detector not connected](https://discourse.nodered.org/t/tuya-smoke-detector-not-connected/60108)

<div class="topic-metadata">

**Author:** [@pinie\_pinie](https://discourse.nodered.org/u/pinie_pinie)\
**Replies:** 0\
**Last updated:** [20 March 2022 14:32 UTC](https://discourse.nodered.org/t/tuya-smoke-detector-not-connected/60108 "2022-03-20T14:32:39Z")

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Hi there, I thought I solved the problem with the Tuya node. Now I have a smoke detector and would like to integrate it into Nodered. My thermostat can be integrated without any problems. In the Tuya cloud, both drives…

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## [JSONata function tutorial WIP](https://discourse.nodered.org/t/jsonata-function-tutorial-wip/60086)

<div class="topic-metadata">

**Author:** [@HaroldPetersInskipp](https://discourse.nodered.org/u/HaroldPetersInskipp)\
**Replies:** 2\
**Last updated:** [20 March 2022 14:29 UTC](https://discourse.nodered.org/t/jsonata-function-tutorial-wip/60086 "2022-03-20T14:29:56Z")

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In the process of leaning JSONata, I've been creating a tutorial of their Function Library seen in the sidebar here: JSONata Documentation · JSONata using the npm module jsonata - npm However, I seem to be having a bit …

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## [Arduino Node Sketch Compatibility](https://discourse.nodered.org/t/arduino-node-sketch-compatibility/59935)

<div class="topic-metadata">

**Author:** [@rayank97](https://discourse.nodered.org/u/rayank97)\
**Replies:** 7\
**Last updated:** [20 March 2022 12:33 UTC](https://discourse.nodered.org/t/arduino-node-sketch-compatibility/59935 "2022-03-20T12:33:09Z")

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Hello everyone. I've been successfully using the Arduino node until now. I have a query regarding its compatibility. Does the Arduino node only work with the StandardFirmata/StandardFirmataPlus sketches loaded onto the …

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## [How i can send data sensor mqtt to thingsboard](https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103)

<div class="topic-metadata">

**Author:** [@nicolaa](https://discourse.nodered.org/u/nicolaa)\
**Replies:** 1\
**Last updated:** [20 March 2022 12:21 UTC](https://discourse.nodered.org/t/how-i-can-send-data-sensor-mqtt-to-thingsboard/60103 "2022-03-20T12:21:22Z")

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hello , please how i can send data mqtt sensor to I dashboard thingsboard . I HAVE ERROR ""TypeError: Cannot read properties of undefined (reading '0')" List item Uploading: Capture d’écran (73).png...

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## [UI CSS font size template node problem](https://discourse.nodered.org/t/ui-css-font-size-template-node-problem/59984)

<div class="topic-metadata">

**Author:** [@WBr](https://discourse.nodered.org/u/WBr)\
**Replies:** 18\
**Last updated:** [20 March 2022 10:24 UTC](https://discourse.nodered.org/t/ui-css-font-size-template-node-problem/59984 "2022-03-20T10:24:14Z")

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Dear forum, I can adjust the text node font size with a template node to display bigger numbers. Same for the text node that displays words But I can't get the "100" get in a bigger font So far I've used p.…

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## [Payload length limitation, base64](https://discourse.nodered.org/t/payload-length-limitation-base64/60091)

<div class="topic-metadata">

**Author:** [@Damorck](https://discourse.nodered.org/u/Damorck)\
**Replies:** 8\
**Last updated:** [20 March 2022 08:13 UTC](https://discourse.nodered.org/t/payload-length-limitation-base64/60091 "2022-03-20T08:13:07Z")

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Hi all My Node-RED setup contains a GET request from an OpenAPI service, that returns a base64 string. The returned base64 string doesn´t return the complete string (compared with same request in Postman), ending with "…

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## [Auto login from Drupal to Node-Red UI](https://discourse.nodered.org/t/auto-login-from-drupal-to-node-red-ui/60074)

<div class="topic-metadata">

**Author:** [@terkaa](https://discourse.nodered.org/u/terkaa)\
**Replies:** 6\
**Last updated:** [20 March 2022 07:33 UTC](https://discourse.nodered.org/t/auto-login-from-drupal-to-node-red-ui/60074 "2022-03-20T07:33:51Z")

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Hi, I am building an educational site where node-red is embedded into Drupal site(iFrame). Now I need suggestion how to securely pass user credentials from drupal to UI. I am ok with passing one and same user/pass combo …

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## [Email node will stop working with Gmail. Is there an alternative?](https://discourse.nodered.org/t/email-node-will-stop-working-with-gmail-is-there-an-alternative/59854)

<div class="topic-metadata">

**Author:** [@paulohlp](https://discourse.nodered.org/u/paulohlp)\
**Replies:** 11\
**Last updated:** [20 March 2022 07:23 UTC](https://discourse.nodered.org/t/email-node-will-stop-working-with-gmail-is-there-an-alternative/59854 "2022-03-20T07:23:56Z")

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Hi. Google will no longer allow Gmail access using smtp or through less secure apps. I searched but did not find a alternative. Any suggestions? Thanks in advance.

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## [How to send data from two sensor at the same time using MQTT](https://discourse.nodered.org/t/how-to-send-data-from-two-sensor-at-the-same-time-using-mqtt/60097)

<div class="topic-metadata">

**Author:** [@shahrilmajid](https://discourse.nodered.org/u/shahrilmajid)\
**Replies:** 4\
**Last updated:** [20 March 2022 07:16 UTC](https://discourse.nodered.org/t/how-to-send-data-from-two-sensor-at-the-same-time-using-mqtt/60097 "2022-03-20T07:16:58Z")

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hi, I tried to send data from two sensors, but it seems that only one received data at the server. Here is my node, how to make it able to receive data at the same time from both sensors.

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## [Adding blocking/non blocking option and nodejs version in openwhisk node-red node](https://discourse.nodered.org/t/adding-blocking-non-blocking-option-and-nodejs-version-in-openwhisk-node-red-node/60090)

<div class="topic-metadata">

**Author:** [@gkousiouris](https://discourse.nodered.org/u/gkousiouris)\
**Replies:** 2\
**Last updated:** [20 March 2022 05:31 UTC](https://discourse.nodered.org/t/adding-blocking-non-blocking-option-and-nodejs-version-in-openwhisk-node-red-node/60090 "2022-03-20T05:31:53Z")

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Hi all, We would like to add a couple of options in the node-red-node-openwhisk node, mainly: the ability to have configurable blocking or non blocking action invocations. Currently the option is hardcoded to true in…

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## [Node-red-email password using inject node](https://discourse.nodered.org/t/node-red-email-password-using-inject-node/60093)

<div class="topic-metadata">

**Author:** [@Henjoe](https://discourse.nodered.org/u/Henjoe)\
**Replies:** 2\
**Last updated:** [20 March 2022 02:45 UTC](https://discourse.nodered.org/t/node-red-email-password-using-inject-node/60093 "2022-03-20T02:45:43Z")

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Hi Community, Is it possible to use node-red-email and the userid and password is sent via inject or function node going to email node? As per manual, only the userid is available I have 50 mail node on my flows, ev…

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## [Can't get my head around how to add a value to an brightness attribute](https://discourse.nodered.org/t/cant-get-my-head-around-how-to-add-a-value-to-an-brightness-attribute/60081)

<div class="topic-metadata">

**Author:** [@adrieg](https://discourse.nodered.org/u/adrieg)\
**Replies:** 5\
**Last updated:** [19 March 2022 20:36 UTC](https://discourse.nodered.org/t/cant-get-my-head-around-how-to-add-a-value-to-an-brightness-attribute/60081 "2022-03-19T20:36:11Z")

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I have an attribute called brightness and I just want to add some value to it say + 50. Now I can not figure out to get the brightness value and send it back with the new value. Hope someone can help. \[{"id":"2207ca62…

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## [Telegram node problem. Have to spam command to work](https://discourse.nodered.org/t/telegram-node-problem-have-to-spam-command-to-work/60077)

<div class="topic-metadata">

**Author:** [@ilse.markert](https://discourse.nodered.org/u/ilse.markert)\
**Replies:** 4\
**Last updated:** [19 March 2022 16:25 UTC](https://discourse.nodered.org/t/telegram-node-problem-have-to-spam-command-to-work/60077 "2022-03-19T16:25:54Z")

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Hi, I just made a telegram bot for simple interatctions. It kind of works but for the commands to be recognized and trigger a response I have to literally spam the commands like 5-20 times in the telegram channel unt…

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## [Play sounds in raspberry pi](https://discourse.nodered.org/t/play-sounds-in-raspberry-pi/59941)

<div class="topic-metadata">

**Author:** [@maliheh.amirfakhry](https://discourse.nodered.org/u/maliheh.amirfakhry)\
**Replies:** 2\
**Last updated:** [19 March 2022 15:34 UTC](https://discourse.nodered.org/t/play-sounds-in-raspberry-pi/59941 "2022-03-19T15:34:53Z")

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Hi, I have a raspberry pi connected to a speaker. I'm looking for a way that the speaker can read the sounds file from a micro sd card? Can you please let me know If there is any node for this? Thank u

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## [credentialSecret when deploying on IBM Cloud Code Engine](https://discourse.nodered.org/t/credentialsecret-when-deploying-on-ibm-cloud-code-engine/60067)

<div class="topic-metadata">

**Author:** [@AnalyticsDS](https://discourse.nodered.org/u/AnalyticsDS)\
**Replies:** 3\
**Last updated:** [19 March 2022 13:53 UTC](https://discourse.nodered.org/t/credentialsecret-when-deploying-on-ibm-cloud-code-engine/60067 "2022-03-19T13:53:05Z")

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I have been trying to get credentialSecret working when deploying Node-Red in IBM Cloud using Code Engine. I have tried setting as an environment variable on the code engine application, within the git repo bluemix-setti…

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## [Write signed Integer](https://discourse.nodered.org/t/write-signed-integer/60004)

<div class="topic-metadata">

**Author:** [@peterr](https://discourse.nodered.org/u/peterr)\
**Replies:** 3\
**Last updated:** [19 March 2022 13:11 UTC](https://discourse.nodered.org/t/write-signed-integer/60004 "2022-03-19T13:11:09Z")

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Hi, I'm trying to get my inverter to charge battery from grid thru modbus tcp/ip. I finally got an answer from Fronius support, what values to which registers I need to write. Writing to single registers works fine, b…

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## [Join info to a JSON](https://discourse.nodered.org/t/join-info-to-a-json/60070)

<div class="topic-metadata">

**Author:** [@JobbeDeluxe](https://discourse.nodered.org/u/JobbeDeluxe)\
**Replies:** 10\
**Last updated:** [19 March 2022 12:02 UTC](https://discourse.nodered.org/t/join-info-to-a-json/60070 "2022-03-19T12:02:00Z")

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Hello, I try to grap Wheater Data to forward this to my NSPanel running with tasmota. I have an JSON input and need to use the right parameters and join them again to have the right thing, but i have a huge Problem... …

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## [Node res flow vanish or replace by other flow](https://discourse.nodered.org/t/node-res-flow-vanish-or-replace-by-other-flow/60018)

<div class="topic-metadata">

**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 10\
**Last updated:** [19 March 2022 08:57 UTC](https://discourse.nodered.org/t/node-res-flow-vanish-or-replace-by-other-flow/60018 "2022-03-19T08:57:05Z")

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Hi, using node red on rbpi, i have created flow which contained many input from plc and also created dashboard to displatly values but now the whole program is gone and showing another programe how to check my old progra…

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