# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1331

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

**Page:** 1332

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## [Trying to upgrade NR v0.19.4 to v0.20.0-beta.2 on a RPi-Zero-W](https://discourse.nodered.org/t/trying-to-upgrade-nr-v0-19-4-to-v0-20-0-beta-2-on-a-rpi-zero-w/6366)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 6\
**Last updated:** [3 January 2019 20:37 UTC](https://discourse.nodered.org/t/trying-to-upgrade-nr-v0-19-4-to-v0-20-0-beta-2-on-a-rpi-zero-w/6366 "2019-01-03T20:37:50Z")

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Hi, I'm trying to upgrade a fresh copy of NR on a Raspberry Pi-Zero-W. My first step is trying to get npm (v1.4.21) upgraded to the latest version (v6.4.1 ????). When I use... npm install -g npm@next I get loads of…

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## [Newbie here using Hassio](https://discourse.nodered.org/t/newbie-here-using-hassio/6362)

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**Author:** [@Derekwit](https://discourse.nodered.org/u/Derekwit)\
**Replies:** 1\
**Last updated:** [3 January 2019 17:53 UTC](https://discourse.nodered.org/t/newbie-here-using-hassio/6362 "2019-01-03T17:53:52Z")

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I am trying to get some directions or guidance on how to setup some automations in Node Red that will work in Hassio. I have been stumbling through yaml and made a couple of automations that worked and now are no longer…

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## [Help substituting value](https://discourse.nodered.org/t/help-substituting-value/6354)

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**Author:** [@Dave](https://discourse.nodered.org/u/Dave)\
**Replies:** 3\
**Last updated:** [3 January 2019 17:15 UTC](https://discourse.nodered.org/t/help-substituting-value/6354 "2019-01-03T17:15:34Z")

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I have a function node with the following : msg.payload='{"state":"ON","brightness":250,"color\_temp":250,"bulb\_mode":"white","color":{"r":255,"g":255,"b":255}}'; return msg; It works fine but I am totally stumped, how…

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## ['Soft' buttons on a web page to control something via Node-RED](https://discourse.nodered.org/t/soft-buttons-on-a-web-page-to-control-something-via-node-red/6289)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 3\
**Last updated:** [3 January 2019 15:06 UTC](https://discourse.nodered.org/t/soft-buttons-on-a-web-page-to-control-something-via-node-red/6289 "2019-01-03T15:06:03Z")

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I bought myself a book on jQuery and Ajax for Christmas. Here's a write-up on my first attempt at writing some jQuery that interfaces to Node-RED. The index.txt file must be renamed as index.html (as Discourse does not…

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## [Change a val into a number](https://discourse.nodered.org/t/change-a-val-into-a-number/6348)

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**Author:** [@cabriopuma](https://discourse.nodered.org/u/cabriopuma)\
**Replies:** 5\
**Last updated:** [3 January 2019 14:54 UTC](https://discourse.nodered.org/t/change-a-val-into-a-number/6348 "2019-01-03T14:54:30Z")

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Hello i try to change the Season names into a Number but didn't work. So maybe some have an Idea. Thank you for any kind of help.

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## [Pin Reading Problem](https://discourse.nodered.org/t/pin-reading-problem/6339)

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**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 2\
**Last updated:** [3 January 2019 09:26 UTC](https://discourse.nodered.org/t/pin-reading-problem/6339 "2019-01-03T09:26:10Z")

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Hi everyone. I have a problem again. I have some device and this device connect to GPIO pins. When I wathc this device with node red , it looks like in video, always pins showing running and stopped, pin stopped - pin …

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## [Add icon to Dashboard topbar](https://discourse.nodered.org/t/add-icon-to-dashboard-topbar/6210)

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**Author:** [@Marooned](https://discourse.nodered.org/u/Marooned)\
**Replies:** 6\
**Last updated:** [3 January 2019 07:05 UTC](https://discourse.nodered.org/t/add-icon-to-dashboard-topbar/6210 "2019-01-03T07:05:38Z")

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I'm adding some elements to topbar in Dashboard like clock and battery status. I wanted to add icon of battery too as I'm using WallPanel Android app which is fullscreen so covering original battery status. Anyway, I ca…

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## [Node-red-contrib-uibuilder v1.0.11 published](https://discourse.nodered.org/t/node-red-contrib-uibuilder-v1-0-11-published/6328)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 1\
**Last updated:** [2 January 2019 22:35 UTC](https://discourse.nodered.org/t/node-red-contrib-uibuilder-v1-0-11-published/6328 "2019-01-02T22:35:56Z")

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Hi all, A quick update to uibuilder. NEW Add some example flows to the example libary. Use the Node-RED administration UI's menu Import \> Examples \> uibuilder to import them. FIX Bug in socket.io namespace if htt…

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## [Bug in select multiple in node property editor - doesn't always save changes](https://discourse.nodered.org/t/bug-in-select-multiple-in-node-property-editor-doesnt-always-save-changes/6315)

<div class="topic-metadata">

**Author:** [@myplacedk](https://discourse.nodered.org/u/myplacedk)\
**Replies:** 1\
**Last updated:** [2 January 2019 18:13 UTC](https://discourse.nodered.org/t/bug-in-select-multiple-in-node-property-editor-doesnt-always-save-changes/6315 "2019-01-02T18:13:29Z")

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In my node I have a property than can have multiple values. Easiest way to implement is a select with multiple enabled. And it almost works. When using the configuration server side, I get an array of values as expected. …

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## [Pi Temporal Camera](https://discourse.nodered.org/t/pi-temporal-camera/6288)

<div class="topic-metadata">

**Author:** [@WillWelker](https://discourse.nodered.org/u/WillWelker)\
**Replies:** 4\
**Last updated:** [2 January 2019 15:07 UTC](https://discourse.nodered.org/t/pi-temporal-camera/6288 "2019-01-02T15:07:32Z")

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A camera to watch your plants grow is a little boring. This project creates a time-lapse gif image from the previous day and displays it on your Dashboard. Viewing your plants from a shifted time reference gives a whol…

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## [Mssql connection close](https://discourse.nodered.org/t/mssql-connection-close/6316)

<div class="topic-metadata">

**Author:** [@akhilendharreddy](https://discourse.nodered.org/u/akhilendharreddy)\
**Replies:** 2\
**Last updated:** [2 January 2019 14:48 UTC](https://discourse.nodered.org/t/mssql-connection-close/6316 "2019-01-02T14:48:23Z")

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i am trying to connect mssql my config { user: "username", password: "password", server: "10.0. . ", port:1433, database:"dbname", options: { encrypt: false }} this is my config this mssql db has external connec…

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## [\[UPDATE\] node-red-contrib-particle v1.0.0](https://discourse.nodered.org/t/update-node-red-contrib-particle-v1-0-0/6307)

<div class="topic-metadata">

**Author:** [@chuank](https://discourse.nodered.org/u/chuank)\
**Replies:** 8\
**Last updated:** [2 January 2019 13:29 UTC](https://discourse.nodered.org/t/update-node-red-contrib-particle-v1-0-0/6307 "2019-01-02T13:29:54Z")

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updated to v0.2.1 v1.0.0: For changelog and other details, please refer to the github repo: I've been maintaining this set of nodes since 2015 that simplify the connection between Particle devices and Node-RED, mai…

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## [How can I change Button size](https://discourse.nodered.org/t/how-can-i-change-button-size/6305)

<div class="topic-metadata">

**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 4\
**Last updated:** [2 January 2019 10:23 UTC](https://discourse.nodered.org/t/how-can-i-change-button-size/6305 "2019-01-02T10:23:18Z")

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Hi everyone. I want to change dashboard button size but the min limit is for example 1cm and I want it less, you can see what I want in picture below.

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## [Node red and Home assistant](https://discourse.nodered.org/t/node-red-and-home-assistant/6293)

<div class="topic-metadata">

**Author:** [@debouttek](https://discourse.nodered.org/u/debouttek)\
**Replies:** 3\
**Last updated:** [2 January 2019 10:08 UTC](https://discourse.nodered.org/t/node-red-and-home-assistant/6293 "2019-01-02T10:08:08Z")

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I would like to integrate Home Assistant in my Node red. Do I need a second raspberry pi where I instal hassio on?

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## [How to get value into switch](https://discourse.nodered.org/t/how-to-get-value-into-switch/6279)

<div class="topic-metadata">

**Author:** [@gbond](https://discourse.nodered.org/u/gbond)\
**Replies:** 14\
**Last updated:** [1 January 2019 21:41 UTC](https://discourse.nodered.org/t/how-to-get-value-into-switch/6279 "2019-01-01T21:41:37Z")

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\[{"id":"ac63b74.7550548","type":"ui\_slider","z":"9501be91.4aa278","name":"","label":"slider","group":"2f45f695.6435ba","order":0,"width":0,"height":0,"passthru":true,"topic":"","min":0,"max":10,"step":1,"x":220,"y":60,…

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## [High Availability failover cluster](https://discourse.nodered.org/t/high-availability-failover-cluster/6215)

<div class="topic-metadata">

**Author:** [@fraser](https://discourse.nodered.org/u/fraser)\
**Replies:** 15\
**Last updated:** [1 January 2019 14:47 UTC](https://discourse.nodered.org/t/high-availability-failover-cluster/6215 "2019-01-01T14:47:08Z")

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Does anyone have any suggestions for how to operate Node Red on a couple of Pis in some sort of failover cluster? - my home automation pi died the day I went away for Christmas, with obviously irritating consequences...

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## [Input Group and Tab as topic into all ellements](https://discourse.nodered.org/t/input-group-and-tab-as-topic-into-all-ellements/6282)

<div class="topic-metadata">

**Author:** [@swissglider](https://discourse.nodered.org/u/swissglider)\
**Replies:** 0\
**Last updated:** [1 January 2019 14:29 UTC](https://discourse.nodered.org/t/input-group-and-tab-as-topic-into-all-ellements/6282 "2019-01-01T14:29:13Z")

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Can you add the functionality to get the Group and Tab Parameter for all the UI Elements as msg.topic. For example I have a tab livingroom with a group sensors. Here I want to update the temperatur. So I want to update …

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## [File-function context/flow/global missing](https://discourse.nodered.org/t/file-function-context-flow-global-missing/6278)

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**Author:** [@SynAckFin](https://discourse.nodered.org/u/SynAckFin)\
**Replies:** 1\
**Last updated:** [1 January 2019 13:18 UTC](https://discourse.nodered.org/t/file-function-context-flow-global-missing/6278 "2019-01-01T13:18:28Z")

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I'm using the file-function node and I'm having issues accessing data stored in context/flow/global stores When I execute the following within the file: console.log(flow.keys()); I get the following error: \[warn\] \[fi…

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## [Upgrade on raspberry pi failed](https://discourse.nodered.org/t/upgrade-on-raspberry-pi-failed/6266)

<div class="topic-metadata">

**Author:** [@ScottChapman](https://discourse.nodered.org/u/ScottChapman)\
**Replies:** 2\
**Last updated:** [1 January 2019 10:49 UTC](https://discourse.nodered.org/t/upgrade-on-raspberry-pi-failed/6266 "2019-01-01T10:49:05Z")

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So, I was using the recommended method for upgrading node-red on my raspberry pi: https://nodered.org/docs/hardware/raspberrypi but it failed to install nodejs for armv6. looking at the log I see this: /usr/lib/node\_m…

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## [UI template node html embedding itself into ui url](https://discourse.nodered.org/t/ui-template-node-html-embedding-itself-into-ui-url/6249)

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**Author:** [@jmacle](https://discourse.nodered.org/u/jmacle)\
**Replies:** 1\
**Last updated:** [1 January 2019 06:08 UTC](https://discourse.nodered.org/t/ui-template-node-html-embedding-itself-into-ui-url/6249 "2019-01-01T06:08:06Z")

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Hey guys, I've been building out a form with drop down boxes and hidden input fields. I'm pre-populating the form from a database and letting the user choose values from the drop downs which is then passed back to the da…

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## [Setting property of nodes within subflow nodes?](https://discourse.nodered.org/t/setting-property-of-nodes-within-subflow-nodes/6265)

<div class="topic-metadata">

**Author:** [@3v0](https://discourse.nodered.org/u/3v0)\
**Replies:** 2\
**Last updated:** [1 January 2019 02:32 UTC](https://discourse.nodered.org/t/setting-property-of-nodes-within-subflow-nodes/6265 "2019-01-01T02:32:24Z")

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Hi, New here. Is there a way to set the node properties of nodes contained by subflows, such that the node property value is specific to the calling flow. Subflow instance specific. I have created a subflow to monitor…

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## [Setting flow context not working?](https://discourse.nodered.org/t/setting-flow-context-not-working/6245)

<div class="topic-metadata">

**Author:** [@ScottChapman](https://discourse.nodered.org/u/ScottChapman)\
**Replies:** 10\
**Last updated:** [31 December 2018 15:45 UTC](https://discourse.nodered.org/t/setting-flow-context-not-working/6245 "2018-12-31T15:45:26Z")

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First of all I am running 0.16.2 (running on Jessie raspberry pi) I have a flow that has a change node where I set a property on the flow context. This doesn't appear to be getting set (as far as I can tell). To test i…

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## [Frequent "Lost Connection" on wired LAN](https://discourse.nodered.org/t/frequent-lost-connection-on-wired-lan/6241)

<div class="topic-metadata">

**Author:** [@rjdelbueno](https://discourse.nodered.org/u/rjdelbueno)\
**Replies:** 5\
**Last updated:** [31 December 2018 14:47 UTC](https://discourse.nodered.org/t/frequent-lost-connection-on-wired-lan/6241 "2018-12-31T14:47:16Z")

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I am running Node-Red on a raspberryPi. The Pi is connected to local LAN via wired ethernet. Other computers on the same LAN (also wired via ethernet) access the Pi's NR dashboard UI via LAN. Quite often, when viewing th…

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## [Manage flows synchronous](https://discourse.nodered.org/t/manage-flows-synchronous/6250)

<div class="topic-metadata">

**Author:** [@akhilendharreddy](https://discourse.nodered.org/u/akhilendharreddy)\
**Replies:** 2\
**Last updated:** [31 December 2018 09:59 UTC](https://discourse.nodered.org/t/manage-flows-synchronous/6250 "2018-12-31T09:59:06Z")

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I have 5 flows in my project, i have to invoke my flows in such a way that if first flow complete then start next flow, how can i achieve this?

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## [Buffer and env variable](https://discourse.nodered.org/t/buffer-and-env-variable/6252)

<div class="topic-metadata">

**Author:** [@Rahul\_Mathavan](https://discourse.nodered.org/u/Rahul_Mathavan)\
**Replies:** 1\
**Last updated:** [31 December 2018 09:36 UTC](https://discourse.nodered.org/t/buffer-and-env-variable/6252 "2018-12-31T09:36:23Z")

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What is the use of buffer and env variable in the inject node,where can I use them

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## [Zwave dimmer brightness](https://discourse.nodered.org/t/zwave-dimmer-brightness/6247)

<div class="topic-metadata">

**Author:** [@TurboTronix](https://discourse.nodered.org/u/TurboTronix)\
**Replies:** 1\
**Last updated:** [31 December 2018 07:29 UTC](https://discourse.nodered.org/t/zwave-dimmer-brightness/6247 "2018-12-31T07:29:39Z")

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I was able to turn my zwave dimmer on and off but I can't figure out how to dim the lights. Is there a simple sample that shows how to do so?

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## [Stock pattern screener](https://discourse.nodered.org/t/stock-pattern-screener/6240)

<div class="topic-metadata">

**Author:** [@Napadude](https://discourse.nodered.org/u/Napadude)\
**Replies:** 3\
**Last updated:** [31 December 2018 01:30 UTC](https://discourse.nodered.org/t/stock-pattern-screener/6240 "2018-12-31T01:30:54Z")

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Is there anyway to be able to find certain stock chart patters? I would like to be able to scan all stocks to find a specific pattern or say volume spikes ect. Not sure if it’s possible or not. Thanks !!!

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## [Dashboard Socket ID bug?](https://discourse.nodered.org/t/dashboard-socket-id-bug/6229)

<div class="topic-metadata">

**Author:** [@hugobox](https://discourse.nodered.org/u/hugobox)\
**Replies:** 5\
**Last updated:** [30 December 2018 22:13 UTC](https://discourse.nodered.org/t/dashboard-socket-id-bug/6229 "2018-12-30T22:13:39Z")

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I noticed something interesting with Dashboard, might not be a bug, but I'm not sure if it is intended either. Basically I created two buttons A and B. Button A uses send(msg) \<md-button ng-click="msg.payload = 'clicked…

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## [Need advice on node-red node design](https://discourse.nodered.org/t/need-advice-on-node-red-node-design/6216)

<div class="topic-metadata">

**Author:** [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Replies:** 9\
**Last updated:** [30 December 2018 21:49 UTC](https://discourse.nodered.org/t/need-advice-on-node-red-node-design/6216 "2018-12-30T21:49:33Z")

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Hi all. I'm after some advice on developing nodes. Firstly I have read the guidelines however most of the info is unfinished. I am creating some nodes that are essentially PLC Read and PLC Write nodes. These nodes sha…

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## [Node-RED RPi Automated Backup to Email](https://discourse.nodered.org/t/node-red-rpi-automated-backup-to-email/6231)

<div class="topic-metadata">

**Author:** [@Leroxy](https://discourse.nodered.org/u/Leroxy)\
**Replies:** 9\
**Last updated:** [30 December 2018 21:25 UTC](https://discourse.nodered.org/t/node-red-rpi-automated-backup-to-email/6231 "2018-12-30T21:25:27Z")

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Hi all, This would be my first post on the forum and I am trying to gather my knowledge by taking bits and pieces of the forum and internet. After installing Node-RED (The Script by Peter Scargill) on a Raspberry Pi an…

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