# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1311

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

**Page:** 1312

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## [Error parsing datas from 1st function node to a 2nd function node](https://discourse.nodered.org/t/error-parsing-datas-from-1st-function-node-to-a-2nd-function-node/8355)

<div class="topic-metadata">

**Author:** [@jycemea](https://discourse.nodered.org/u/jycemea)\
**Replies:** 20\
**Last updated:** [25 February 2019 16:17 UTC](https://discourse.nodered.org/t/error-parsing-datas-from-1st-function-node-to-a-2nd-function-node/8355 "2019-02-25T16:17:31Z")

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Hi, can anybody explain me how to transfert the right datas from a 1st function node to a second function node? I can't make it. The result is always: "{"error":{"code":400,"message":"Parse Error","errors":\[{"domain":"…

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## [Node-red and ds18b20 disconnecting sensors, cause? Unplug power, then all ok again](https://discourse.nodered.org/t/node-red-and-ds18b20-disconnecting-sensors-cause-unplug-power-then-all-ok-again/8372)

<div class="topic-metadata">

**Author:** [@ole88](https://discourse.nodered.org/u/ole88)\
**Replies:** 2\
**Last updated:** [25 February 2019 16:15 UTC](https://discourse.nodered.org/t/node-red-and-ds18b20-disconnecting-sensors-cause-unplug-power-then-all-ok-again/8372 "2019-02-25T16:15:22Z")

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Hi. I have 13 ds18b20-sensors connected to my Raspberry PI. 3 of the sensors stop working at various times, but often after 1 day, or 1 1/2 day. My other 10 works 24/7. It's the same sensors every time that stops and sh…

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## [Get all defined variables](https://discourse.nodered.org/t/get-all-defined-variables/8371)

<div class="topic-metadata">

**Author:** [@JayDickson](https://discourse.nodered.org/u/JayDickson)\
**Replies:** 2\
**Last updated:** [25 February 2019 15:18 UTC](https://discourse.nodered.org/t/get-all-defined-variables/8371 "2019-02-25T15:18:54Z")

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Hopefully not too stupid of a question: Do we have the ability to retrieve all flow variables for a given flow, perhaps in the form of an array? If so, how would one go about this?

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## [Flow editor strange behavior](https://discourse.nodered.org/t/flow-editor-strange-behavior/8329)

<div class="topic-metadata">

**Author:** [@merkelck](https://discourse.nodered.org/u/merkelck)\
**Replies:** 8\
**Last updated:** [25 February 2019 13:45 UTC](https://discourse.nodered.org/t/flow-editor-strange-behavior/8329 "2019-02-25T13:45:08Z")

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Recently, I noticed that when I select the debug window, and it is blank, then send a message, the entire flow editor screen collapses vertically. Leaving about an inch of space with everything crammed into that space. S…

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## [3 Jun 21:57:25 - \[error\] \[tls-config:bbb\] Error: ENOENT: no such file or directory, open 'C:\\Users\\Danilo Mota\\1c309041c8-certificate.pem](https://discourse.nodered.org/t/3-jun-2125-error-tls-config-bbb-error-enoent-no-such-file-or-directory-open-c-users-danilo-mota-1c309041c8-certificate-pem/590)

<div class="topic-metadata">

**Author:** [@DaniloMota](https://discourse.nodered.org/u/DaniloMota)\
**Replies:** 12\
**Last updated:** [25 February 2019 13:40 UTC](https://discourse.nodered.org/t/3-jun-2125-error-tls-config-bbb-error-enoent-no-such-file-or-directory-open-c-users-danilo-mota-1c309041c8-certificate-pem/590 "2019-02-25T13:40:34Z")

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Hey guys! Please Help me. I’m trying to connect a device using aws + nodered but there is the error below 3 Jun 21:57:25 - \[error\] \[tls-config:bbb\] Error: ENOENT: no such file or directory, open ‘C:\\Users\\Danilo Mota\\1…

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## [Listen to a kafka Topic](https://discourse.nodered.org/t/listen-to-a-kafka-topic/8368)

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**Author:** [@Albin](https://discourse.nodered.org/u/Albin)\
**Replies:** 2\
**Last updated:** [25 February 2019 13:18 UTC](https://discourse.nodered.org/t/listen-to-a-kafka-topic/8368 "2019-02-25T13:18:31Z")

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Hi All , New to Node-Red . Can anyone please advise if its possible to listen to kafka queue/s from any node in nodeRed and also post data to Kafka topics Regards, Albin

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## [Node-red raspberry pi multiple input](https://discourse.nodered.org/t/node-red-raspberry-pi-multiple-input/8345)

<div class="topic-metadata">

**Author:** [@Grace1](https://discourse.nodered.org/u/Grace1)\
**Replies:** 3\
**Last updated:** [25 February 2019 12:01 UTC](https://discourse.nodered.org/t/node-red-raspberry-pi-multiple-input/8345 "2019-02-25T12:01:38Z")

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i tryed raspberry pi gpio led control "A" led is turned on when the "A" switch is pressed. →success "B" led is turned on when the "B" switch is pressed. →success If the "A" and "B" switches are simultaneously pressed…

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## [Sequential Numbers for Database ID](https://discourse.nodered.org/t/sequential-numbers-for-database-id/8360)

<div class="topic-metadata">

**Author:** [@Stylo](https://discourse.nodered.org/u/Stylo)\
**Replies:** 1\
**Last updated:** [25 February 2019 11:39 UTC](https://discourse.nodered.org/t/sequential-numbers-for-database-id/8360 "2019-02-25T11:39:58Z")

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Hi there, I'm currently working on a node-red project in which I'm displaying data from an SQLite database. For various tables, I want to have a unique ID for each entry. Is there a way to incorporate a sequential numbe…

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## [Wordpress plugin - oneliner code style similar to NR discussion goup](https://discourse.nodered.org/t/wordpress-plugin-oneliner-code-style-similar-to-nr-discussion-goup/8359)

<div class="topic-metadata">

**Author:** [@Petr](https://discourse.nodered.org/u/Petr)\
**Replies:** 4\
**Last updated:** [25 February 2019 11:12 UTC](https://discourse.nodered.org/t/wordpress-plugin-oneliner-code-style-similar-to-nr-discussion-goup/8359 "2019-02-25T11:12:01Z")

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Is there wordpress plugin to make long code "oneliner"? The same blockquote style as we can see here in NR discussion group with ( I mean when I put the triples in the text, when I am writing the post. ''' '''

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## [How to disable the Node-RED Web server service?](https://discourse.nodered.org/t/how-to-disable-the-node-red-web-server-service/8351)

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**Author:** [@pangda](https://discourse.nodered.org/u/pangda)\
**Replies:** 8\
**Last updated:** [25 February 2019 10:04 UTC](https://discourse.nodered.org/t/how-to-disable-the-node-red-web-server-service/8351 "2019-02-25T10:04:43Z")

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How to disable the Node-RED web server service? Only remain the Node-RED flows running.

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## [FAILURE, anyone helps?](https://discourse.nodered.org/t/failure-anyone-helps/8265)

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**Author:** [@jjrivasescola](https://discourse.nodered.org/u/jjrivasescola)\
**Replies:** 5\
**Last updated:** [25 February 2019 09:48 UTC](https://discourse.nodered.org/t/failure-anyone-helps/8265 "2019-02-25T09:48:57Z")

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Dear all, I have the following problem with node-red running on my raspberry Pi. I show you the text that appear on node-red terminal when I start. Starting as a systemd service. Started Node-RED graphical event wirin…

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## [Read fields from arrays in object](https://discourse.nodered.org/t/read-fields-from-arrays-in-object/8339)

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**Author:** [@innotractor](https://discourse.nodered.org/u/innotractor)\
**Replies:** 6\
**Last updated:** [25 February 2019 07:52 UTC](https://discourse.nodered.org/t/read-fields-from-arrays-in-object/8339 "2019-02-25T07:52:34Z")

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Hi, I am new into node-red and JavaScript. I am trying to read an object consisting of multiple arrays and insert some fields per array into a sql database (Sqllite). I have tried the split node and ended with trying to…

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## [How to insert data into an external library?](https://discourse.nodered.org/t/how-to-insert-data-into-an-external-library/8350)

<div class="topic-metadata">

**Author:** [@pohutukawa818](https://discourse.nodered.org/u/pohutukawa818)\
**Replies:** 0\
**Last updated:** [25 February 2019 06:28 UTC](https://discourse.nodered.org/t/how-to-insert-data-into-an-external-library/8350 "2019-02-25T06:28:22Z")

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Hi. I use D3 charts to create graphs that represent data in real time. We confirmed that the value of msg.payload is transferred well by using h2 option./ However, the {{msg.payload}} is entered at the place where the …

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## [Modbus tcp connection](https://discourse.nodered.org/t/modbus-tcp-connection/8147)

<div class="topic-metadata">

**Author:** [@Madhumati](https://discourse.nodered.org/u/Madhumati)\
**Replies:** 4\
**Last updated:** [25 February 2019 06:24 UTC](https://discourse.nodered.org/t/modbus-tcp-connection/8147 "2019-02-25T06:24:22Z")

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Hello, I am trying to communicate Modbus TCP node with Modscan , Can you please help me in this regards? I am putting Modbus TCP IP arress as 192.168.0.100 in ndeRED for my device & trying to connect Modscan wit…

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## [Connect to the NIBE Uplink API (or any Oauth2 API)](https://discourse.nodered.org/t/connect-to-the-nibe-uplink-api-or-any-oauth2-api/8181)

<div class="topic-metadata">

**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 6\
**Last updated:** [24 February 2019 21:46 UTC](https://discourse.nodered.org/t/connect-to-the-nibe-uplink-api-or-any-oauth2-api/8181 "2019-02-24T21:46:15Z")

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I have just gotten a NIBE heat pump with a connection to the NIBE Uplink web service, which has an API. I also have an existing Siemens climate system with sensors and radiator motors in each room from which my Rpi3 get…

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## [Combination of filtered/sorted messages](https://discourse.nodered.org/t/combination-of-filtered-sorted-messages/8283)

<div class="topic-metadata">

**Author:** [@bohtho](https://discourse.nodered.org/u/bohtho)\
**Replies:** 8\
**Last updated:** [24 February 2019 21:53 UTC](https://discourse.nodered.org/t/combination-of-filtered-sorted-messages/8283 "2019-02-24T21:53:50Z")

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I was curious (and would REALLY appreciate it) if anyone has an elegant solution in Node-RED for the following problem: I have data coming in messages from my thermostats in different rooms. Temperatures and setpoints f…

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## [Dashboard buttons affect every browser with dashboard open](https://discourse.nodered.org/t/dashboard-buttons-affect-every-browser-with-dashboard-open/8275)

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**Author:** [@mooreb](https://discourse.nodered.org/u/mooreb)\
**Replies:** 2\
**Last updated:** [24 February 2019 19:05 UTC](https://discourse.nodered.org/t/dashboard-buttons-affect-every-browser-with-dashboard-open/8275 "2019-02-24T19:05:18Z")

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I have some buttons, that when clicked change the URL that is displaying in an iframe. It works great, except that when anyone with the dashboard open clicks one of the buttons, it changes the URL being displayed for eve…

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## [Wait for result of two branches](https://discourse.nodered.org/t/wait-for-result-of-two-branches/8332)

<div class="topic-metadata">

**Author:** [@andysc](https://discourse.nodered.org/u/andysc)\
**Replies:** 5\
**Last updated:** [24 February 2019 18:29 UTC](https://discourse.nodered.org/t/wait-for-result-of-two-branches/8332 "2019-02-24T18:29:53Z")

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I have a flow that HTTP gets a web page, and parses out two bits of the HTML using HTML nodes. I then need to process the results of those two parses. Currently, I'm storing result 1 into a flow variable, and then dela…

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## [No URL specified](https://discourse.nodered.org/t/no-url-specified/8326)

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**Author:** [@Umang](https://discourse.nodered.org/u/Umang)\
**Replies:** 1\
**Last updated:** [24 February 2019 14:20 UTC](https://discourse.nodered.org/t/no-url-specified/8326 "2019-02-24T14:20:31Z")

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I have tried to send a URL to the http request node using msg.url method. TIt works fine means I get the desired iotput but than a message pops of no url specified.

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## [Get only the payload value out of an array](https://discourse.nodered.org/t/get-only-the-payload-value-out-of-an-array/8308)

<div class="topic-metadata">

**Author:** [@cliffpza](https://discourse.nodered.org/u/cliffpza)\
**Replies:** 5\
**Last updated:** [24 February 2019 12:36 UTC](https://discourse.nodered.org/t/get-only-the-payload-value-out-of-an-array/8308 "2019-02-24T12:36:43Z")

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Hi there please help: i have a select from mysql database that returns as follows: i need to POST to a webcollector and i need to isolate only the datainject string i want to use the flow below but i need to know wh…

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## [Uibuilder v1.2.0 published - bug fix and feature release](https://discourse.nodered.org/t/uibuilder-v1-2-0-published-bug-fix-and-feature-release/8311)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 1\
**Last updated:** [23 February 2019 23:40 UTC](https://discourse.nodered.org/t/uibuilder-v1-2-0-published-bug-fix-and-feature-release/8311 "2019-02-23T23:40:16Z")

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Hi all, I'm pleased to announce that v1.2.0 of node-red-contrib-uibuilder has been released. Please update as soon as possible as this fixes a hidden bug. If you want to see what is coming next, please see Issue #46 on…

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## [Read data from different payloads](https://discourse.nodered.org/t/read-data-from-different-payloads/8306)

<div class="topic-metadata">

**Author:** [@Umang](https://discourse.nodered.org/u/Umang)\
**Replies:** 3\
**Last updated:** [23 February 2019 18:51 UTC](https://discourse.nodered.org/t/read-data-from-different-payloads/8306 "2019-02-23T18:51:06Z")

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Ok, I am a beginner and was just wondering that if i have 3 different injects(day,month year) and want to make a function to take these data from all these different payloads and when all 3 are clicked give output ad a c…

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## [Stuck with Exec and sudo](https://discourse.nodered.org/t/stuck-with-exec-and-sudo/8303)

<div class="topic-metadata">

**Author:** [@gambituk](https://discourse.nodered.org/u/gambituk)\
**Replies:** 2\
**Last updated:** [23 February 2019 18:12 UTC](https://discourse.nodered.org/t/stuck-with-exec-and-sudo/8303 "2019-02-23T18:12:09Z")

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Hello, i'm running node-red on an orange-pi, it is running armbian with the diet-pi scripts ontop. I've slowly built up flows that i am happy with, and i started trying to use some exec nodes. For some nodes it is ok, …

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## [Https for Node-RED](https://discourse.nodered.org/t/https-for-node-red/8300)

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**Author:** [@XYZ](https://discourse.nodered.org/u/XYZ)\
**Replies:** 3\
**Last updated:** [23 February 2019 17:53 UTC](https://discourse.nodered.org/t/https-for-node-red/8300 "2019-02-23T17:53:14Z")

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How can we add SSL certificate for the Node-RED server?

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## [Browser compatibility matrix](https://discourse.nodered.org/t/browser-compatibility-matrix/7547)

<div class="topic-metadata">

**Author:** [@uma](https://discourse.nodered.org/u/uma)\
**Replies:** 12\
**Last updated:** [23 February 2019 17:47 UTC](https://discourse.nodered.org/t/browser-compatibility-matrix/7547 "2019-02-23T17:47:11Z")

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Hi What browsers and versions are officially supported for node-red-dashboard? Thanks uma

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## [Mongodb error connection](https://discourse.nodered.org/t/mongodb-error-connection/8246)

<div class="topic-metadata">

**Author:** [@nico](https://discourse.nodered.org/u/nico)\
**Replies:** 1\
**Last updated:** [23 February 2019 16:59 UTC](https://discourse.nodered.org/t/mongodb-error-connection/8246 "2019-02-23T16:59:49Z")

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hello, I have 2 raspberry pi 3 on the same local network, with mongodb + mongoexpress + nodered, installed in the same way on each one. the first one is for 192.168.1.1, the second is 192.168.1.2, when I make requests …

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## [Modbus help please](https://discourse.nodered.org/t/modbus-help-please/8254)

<div class="topic-metadata">

**Author:** [@camo200sx](https://discourse.nodered.org/u/camo200sx)\
**Replies:** 6\
**Last updated:** [23 February 2019 15:50 UTC](https://discourse.nodered.org/t/modbus-help-please/8254 "2019-02-23T15:50:36Z")

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Hi there, new to Node-red and have a project I have embarked on that I am running on an IOT2040 using Node-Red I have a modbus sensor (eventually 6) that I can't get working. I have succeeded in using a modbus program a…

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## [Newbie Getting Started](https://discourse.nodered.org/t/newbie-getting-started/8242)

<div class="topic-metadata">

**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\
**Replies:** 5\
**Last updated:** [23 February 2019 03:26 UTC](https://discourse.nodered.org/t/newbie-getting-started/8242 "2019-02-23T03:26:04Z")

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Hi All, I posted here a few weeks back, but my pi crashed and I'm starting over. My project is fairly simple, at least for someone who knows programming. I will run an Apache2/php webserver on the pi and allow users (cl…

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## [MQTT every ten seconds question - multiple clients](https://discourse.nodered.org/t/mqtt-every-ten-seconds-question-multiple-clients/8203)

<div class="topic-metadata">

**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 13\
**Last updated:** [22 February 2019 23:33 UTC](https://discourse.nodered.org/t/mqtt-every-ten-seconds-question-multiple-clients/8203 "2019-02-22T23:33:41Z")

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I have a flow in Node Red that publishes data over MQTT every ten seconds. It works fine in my testing with one client, a NodeMCU that subscribes to the topics and displays the message data. But, what happens if I have…

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## [RaspberryPi-bmp180 not providing output](https://discourse.nodered.org/t/raspberrypi-bmp180-not-providing-output/8251)

<div class="topic-metadata">

**Author:** [@chuckf201](https://discourse.nodered.org/u/chuckf201)\
**Replies:** 6\
**Last updated:** [22 February 2019 23:13 UTC](https://discourse.nodered.org/t/raspberrypi-bmp180-not-providing-output/8251 "2019-02-22T23:13:16Z")

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I'm using node-red-contrib-brads-i2c-nodes to read temperature and pressure. I also have a python script that works successfully but wanted to try my hand at Node-Red. I'm new to Node-Red but am frustrated. Error is: 2…

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