# Hardware

**URL:** https://discourse.nodered.org/c/hardware/16.md?page=11

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**Page:** 12

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## [Printing to LCD without inverted Commas](https://discourse.nodered.org/t/printing-to-lcd-without-inverted-commas/35444)

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**Author:** [@Peter](https://discourse.nodered.org/u/Peter)\
**Replies:** 2\
**Last updated:** [6 November 2020 15:34 UTC](https://discourse.nodered.org/t/printing-to-lcd-without-inverted-commas/35444 "2020-11-06T15:34:43Z")

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We are trying to print msg.payload to an LCD screen. msg.payload = "2151921480" This prints the entire string to the LCD, is there a way to not print the inverted commas: 2151921480 tried using msg.payload.Value, sti…

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## [Best reliable NAS set-up for Rasp Pi 4. Ideas?](https://discourse.nodered.org/t/best-reliable-nas-set-up-for-rasp-pi-4-ideas/34956)

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**Author:** [@kes](https://discourse.nodered.org/u/kes)\
**Replies:** 5\
**Last updated:** [3 November 2020 20:03 UTC](https://discourse.nodered.org/t/best-reliable-nas-set-up-for-rasp-pi-4-ideas/34956 "2020-11-03T20:03:50Z")

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As many will know the latest version of the rasp pi supports SSD disk drives. I have built almost every generation of rasp pi, and eventually had the SD card fail on me, becasue it was written to too many times. What ha…

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## [ESPHOME yaml: How could i pass an int received by mqtt.payload to use as a delay time](https://discourse.nodered.org/t/esphome-yaml-how-could-i-pass-an-int-received-by-mqtt-payload-to-use-as-a-delay-time/34482)

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**Author:** [@lizzardguki](https://discourse.nodered.org/u/lizzardguki)\
**Replies:** 15\
**Last updated:** [21 October 2020 03:59 UTC](https://discourse.nodered.org/t/esphome-yaml-how-could-i-pass-an-int-received-by-mqtt-payload-to-use-as-a-delay-time/34482 "2020-10-21T03:59:57Z")

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Posted these question on several forum's, and decided to post it here too... I am building a pump system, and everything is done in Node-Red . So i have calculated time for which i want to run the pump for( to output de…

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## [Hikvision Onvif doorbell - how did OpenHab get it working?](https://discourse.nodered.org/t/hikvision-onvif-doorbell-how-did-openhab-get-it-working/34404)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 6\
**Last updated:** [20 October 2020 14:36 UTC](https://discourse.nodered.org/t/hikvision-onvif-doorbell-how-did-openhab-get-it-working/34404 "2020-10-20T14:36:24Z")

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Hi folks, Having my own ip video doorbell is already since day one on my todo list. But most bells need a cloud subscription, and I'm not going to pay somebody to look at my own pictures from my own camera... The DoorB…

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## [Control radiator thermostat Zigbee2mqtt](https://discourse.nodered.org/t/control-radiator-thermostat-zigbee2mqtt/34454)

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**Author:** [@Monokel777](https://discourse.nodered.org/u/Monokel777)\
**Replies:** 3\
**Last updated:** [20 October 2020 11:34 UTC](https://discourse.nodered.org/t/control-radiator-thermostat-zigbee2mqtt/34454 "2020-10-20T11:34:18Z")

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Hello, I got a "Eurotronic Spirit ZigBee" and an Zigbee-Stick for my Raspberry Pi 3. I also use Nodered (4 sure) and mosquitto. Now i can see the radiator thermostat on my devices, but i cant use it and the documentat…

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## [Finger print reader](https://discourse.nodered.org/t/finger-print-reader/34559)

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**Author:** [@Ataraxial](https://discourse.nodered.org/u/Ataraxial)\
**Replies:** 1\
**Last updated:** [20 October 2020 11:30 UTC](https://discourse.nodered.org/t/finger-print-reader/34559 "2020-10-20T11:30:57Z")

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Good morning, I am interested in integrating a fingerprint reader in node red, and I was wondering if there is already a node that works with a specific brand. The hardware I had looked at was this or similar. https:/…

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## [New gadget: Inhouse security drone](https://discourse.nodered.org/t/new-gadget-inhouse-security-drone/34088)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 4\
**Last updated:** [11 October 2020 15:26 UTC](https://discourse.nodered.org/t/new-gadget-inhouse-security-drone/34088 "2020-10-11T15:26:06Z")

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Hi folks, For the gadget freaks, Ring (read Amazon) has developed a drone for inhouse security: Of course there are privacy concerns. But I might imagine this might be solution for people that have no opportunity to…

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## [Watch IPTV via Node-RED](https://discourse.nodered.org/t/watch-iptv-via-node-red/34087)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 7\
**Last updated:** [11 October 2020 13:56 UTC](https://discourse.nodered.org/t/watch-iptv-via-node-red/34087 "2020-10-11T13:56:37Z")

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Hi folks, There is a nice discussion ongoing about live streaming, based on some cool new nodes from @kevinGodell. In that discussion @SuperNinja used an IPTV stream to test it. Don't want to go too much off-topic the…

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## [Activating or controlling components in the house or garden](https://discourse.nodered.org/t/activating-or-controlling-components-in-the-house-or-garden/34002)

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**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 6\
**Last updated:** [10 October 2020 13:41 UTC](https://discourse.nodered.org/t/activating-or-controlling-components-in-the-house-or-garden/34002 "2020-10-10T13:41:33Z")

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Node red is being used to control numerous different devices around the house and yard with some of those being fairly large components. Large meaning big current draws. Over the months and now several years I have gone …

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## [Node Red Serial Port Maximum Baud Rate](https://discourse.nodered.org/t/node-red-serial-port-maximum-baud-rate/33684)

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**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 18\
**Last updated:** [5 October 2020 16:21 UTC](https://discourse.nodered.org/t/node-red-serial-port-maximum-baud-rate/33684 "2020-10-05T16:21:11Z")

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I did a quick search and did not find the answer. The Serial node gives the option of maximum115,200 Baud rate. However, I do see an option of "Other" Baud rate from the Serial node. Does it mean that I might be able t…

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## [Installation directory of Node-red in Beaglebone black with Node-red preinstalled](https://discourse.nodered.org/t/installation-directory-of-node-red-in-beaglebone-black-with-node-red-preinstalled/33660)

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**Author:** [@mrvisi](https://discourse.nodered.org/u/mrvisi)\
**Replies:** 7\
**Last updated:** [2 October 2020 12:08 UTC](https://discourse.nodered.org/t/installation-directory-of-node-red-in-beaglebone-black-with-node-red-preinstalled/33660 "2020-10-02T12:08:54Z")

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Hello, I have flashed my BBB eMMC with the latest Debian buster and which has the Node-red already installed. Flashing goes well and Node-red runs automatically and it opens ok in browser. But the problem I face is that…

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## [Node-RED Beablebone Black won't control gpio](https://discourse.nodered.org/t/node-red-beablebone-black-wont-control-gpio/33589)

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**Author:** [@EJFeight](https://discourse.nodered.org/u/EJFeight)\
**Replies:** 3\
**Last updated:** [1 October 2020 08:55 UTC](https://discourse.nodered.org/t/node-red-beablebone-black-wont-control-gpio/33589 "2020-10-01T08:55:51Z")

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I have a Beaglebone Black that came with Node-Red installed and would initially control the gpoi. I tested it with the USR3 LED. I got the latest distro from the Beaglebone web site and reflashed. Node-RED is installed a…

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## [Serialport Node Huge CPU usage](https://discourse.nodered.org/t/serialport-node-huge-cpu-usage/33532)

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**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 7\
**Last updated:** [30 September 2020 17:23 UTC](https://discourse.nodered.org/t/serialport-node-huge-cpu-usage/33532 "2020-09-30T17:23:12Z")

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I recently set up a new Raspberry Pi 3 with Node Red V1.1.3. The Raspberry Pi 3 uses Raspberry Pi OS lite 5.4. I copied the node red flows from one working system to this new system. Everything worked except that I noti…

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## [LED strips for dummies](https://discourse.nodered.org/t/led-strips-for-dummies/32230)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 123\
**Last updated:** [30 September 2020 14:00 UTC](https://discourse.nodered.org/t/led-strips-for-dummies/32230 "2020-09-30T14:00:13Z")

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Hi folks, Got a new feature request from the wife today: she wants multiple LED-strips in our house. Each LED strip needs to be controlled separately, which means ON/OFF and adjusting the colors (i.e. all LEDs the same…

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## [Connecting Barcode Reader Machine](https://discourse.nodered.org/t/connecting-barcode-reader-machine/33459)

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**Author:** [@Chetan\_001](https://discourse.nodered.org/u/Chetan_001)\
**Replies:** 8\
**Last updated:** [30 September 2020 07:35 UTC](https://discourse.nodered.org/t/connecting-barcode-reader-machine/33459 "2020-09-30T07:35:34Z")

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Hello Guys, I am tring to connect Barcode Reader Machine. I tried to use serial connection but i am not able to read the data. Please guide me how can i do that. Regards, Chetan

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## [Node-RED stopped working on Beaglebone Black](https://discourse.nodered.org/t/node-red-stopped-working-on-beaglebone-black/33480)

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**Author:** [@EJFeight](https://discourse.nodered.org/u/EJFeight)\
**Replies:** 2\
**Last updated:** [30 September 2020 02:19 UTC](https://discourse.nodered.org/t/node-red-stopped-working-on-beaglebone-black/33480 "2020-09-30T02:19:12Z")

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I just started using Node-RED on a Beaglebone Black. Everything worked great until I tried to deploy a configuration to read an analog input on the Comms cape. It froze up and now, even after a reboot, Node-RED will not …

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## [Recommend UK 433Mhz mains socket switch](https://discourse.nodered.org/t/recommend-uk-433mhz-mains-socket-switch/33514)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [29 September 2020 17:40 UTC](https://discourse.nodered.org/t/recommend-uk-433mhz-mains-socket-switch/33514 "2020-09-29T17:40:34Z")

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I use old plugin Maplin 433Mhz controlled mains switches for my room 40W lamps but one of them has failed and can't I get them anymore I use Pi with a little 433Mhz add-on board and bit bang the correct codes outs using…

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## [Connecting Barcode Reader Machine and read value](https://discourse.nodered.org/t/connecting-barcode-reader-machine-and-read-value/33463)

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**Author:** [@Chetan\_001](https://discourse.nodered.org/u/Chetan_001)\
**Replies:** 1\
**Last updated:** [28 September 2020 16:51 UTC](https://discourse.nodered.org/t/connecting-barcode-reader-machine-and-read-value/33463 "2020-09-28T16:51:53Z")

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Hello Guys, I am tring to connect Barcode Reader Machine and read value. I tried to use serial connection but i am not able to read the data. Please guide me how can i do that. Regards, Chetan

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## [LoRa Node for SX1262 915M Pi Hat](https://discourse.nodered.org/t/lora-node-for-sx1262-915m-pi-hat/32839)

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**Author:** [@Ledbellyhead](https://discourse.nodered.org/u/Ledbellyhead)\
**Replies:** 0\
**Last updated:** [13 September 2020 23:03 UTC](https://discourse.nodered.org/t/lora-node-for-sx1262-915m-pi-hat/32839 "2020-09-13T23:03:56Z")

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I was curious if anyone is interested in developing a node for raspberry pi hat : https://www.waveshare.com/wiki/SX1262\_915M\_LoRa\_HAT I've purchsed two and spent several hours playing around with them, and succeeded wi…

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## [Read current volume on Google Nest Mini](https://discourse.nodered.org/t/read-current-volume-on-google-nest-mini/32645)

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**Author:** [@Defplayr](https://discourse.nodered.org/u/Defplayr)\
**Replies:** 0\
**Last updated:** [9 September 2020 13:46 UTC](https://discourse.nodered.org/t/read-current-volume-on-google-nest-mini/32645 "2020-09-09T13:46:29Z")

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I want to query a Google Nest Mini on my home network and get it's current volume. There are a number of other volume settings (alarm, timers, nightmode), which are easy to query, but not the basic bog standard volume. …

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## [Getting unexpected "replacement" UTF-8 character in the Serial steam](https://discourse.nodered.org/t/getting-unexpected-replacement-utf-8-character-in-the-serial-steam/32489)

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**Author:** [@ecrode](https://discourse.nodered.org/u/ecrode)\
**Replies:** 3\
**Last updated:** [6 September 2020 16:46 UTC](https://discourse.nodered.org/t/getting-unexpected-replacement-utf-8-character-in-the-serial-steam/32489 "2020-09-06T16:46:25Z")

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Trying to use a serial port with node-red, but I'm running into an unexpected issue. Data stream includes a custom characters which are normal ASCII with MSB set, for example "E" & 0x80 Issue is that they are among nor…

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## [\[Question\] Will this sparkfun-20x4 work with node-red-contrib-lcd20x4-ic2?](https://discourse.nodered.org/t/question-will-this-sparkfun-20x4-work-with-node-red-contrib-lcd20x4-ic2/32028)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [30 August 2020 02:47 UTC](https://discourse.nodered.org/t/question-will-this-sparkfun-20x4-work-with-node-red-contrib-lcd20x4-ic2/32028 "2020-08-30T02:47:02Z")

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I have this display. I want to use it on a RasPi. This node: Should work?

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## [Using ADLINK EDGE AI Vision with Node-RED](https://discourse.nodered.org/t/using-adlink-edge-ai-vision-with-node-red/31776)

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**Author:** [@goto50](https://discourse.nodered.org/u/goto50)\
**Replies:** 1\
**Last updated:** [25 August 2020 08:57 UTC](https://discourse.nodered.org/t/using-adlink-edge-ai-vision-with-node-red/31776 "2020-08-25T08:57:30Z")

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ADLINK have a new product, Vizi-AI an Edge AI Devkit - its an edge hardware and software Devkit, with more configuration and less code to get started quickly with Edge Computing, Edge AI, and Node-Red to deliver an out o…

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## [Wemos D1 Mini Pin with 3.3v?](https://discourse.nodered.org/t/wemos-d1-mini-pin-with-3-3v/31593)

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**Author:** [@nicedevil](https://discourse.nodered.org/u/nicedevil)\
**Replies:** 4\
**Last updated:** [23 August 2020 14:48 UTC](https://discourse.nodered.org/t/wemos-d1-mini-pin-with-3-3v/31593 "2020-08-23T14:48:59Z")

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Hey guys, have small problem and my actual knownledge about electronics isn't the best, just for small things. I'm trying to achieve that a pin on the Wemos is on 3.3v all the time until I make a "digitalWrite(PIN, LOW…

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## [Unstable PWM / Jittery Servo control Pi 3](https://discourse.nodered.org/t/unstable-pwm-jittery-servo-control-pi-3/31840)

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**Author:** [@fraser](https://discourse.nodered.org/u/fraser)\
**Replies:** 1\
**Last updated:** [21 August 2020 14:53 UTC](https://discourse.nodered.org/t/unstable-pwm-jittery-servo-control-pi-3/31840 "2020-08-21T14:53:46Z")

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I'm using a Pi3 and the rpi-GPIO node to control a servo. The servo is connected to pin 12 (GPIO 18/PWM0) The output doesn't seem to be stable, the servo moves but jitters when it should be still, suggesting that the PWM…

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## [Conceptual doubt regarding esp32](https://discourse.nodered.org/t/conceptual-doubt-regarding-esp32/31706)

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**Author:** [@Joaovitor](https://discourse.nodered.org/u/Joaovitor)\
**Replies:** 1\
**Last updated:** [18 August 2020 22:19 UTC](https://discourse.nodered.org/t/conceptual-doubt-regarding-esp32/31706 "2020-08-18T22:19:00Z")

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Well, I have some very beginning questions regarding esp-32, since I need to document everything. I have a DOIT esp-32 card, with the esp-wroom-32 module. I saw that the base chip is ESP32-D0WDQ6. Well, esp-wroom-32 wo…

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## [Generic SPI node for Raspberry Pi](https://discourse.nodered.org/t/generic-spi-node-for-raspberry-pi/31658)

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**Author:** [@ffich](https://discourse.nodered.org/u/ffich)\
**Replies:** 0\
**Last updated:** [17 August 2020 10:57 UTC](https://discourse.nodered.org/t/generic-spi-node-for-raspberry-pi/31658 "2020-08-17T10:57:01Z")

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Hi All, I'm struggeling to find a good SPI library for Raspberry Pi. Searching around I only find librarty specific for some devices or HATs. Does anybody know if this library exists? Unfortunately I've not been success…

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## [DFplayer and Tasmota](https://discourse.nodered.org/t/dfplayer-and-tasmota/31589)

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**Author:** [@myozone](https://discourse.nodered.org/u/myozone)\
**Replies:** 4\
**Last updated:** [16 August 2020 10:37 UTC](https://discourse.nodered.org/t/dfplayer-and-tasmota/31589 "2020-08-16T10:37:18Z")

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I've ordered a DFplayer and wondered if anyone here is using them in conjunction with Node-red and Tasmota. I'm thinking ahead and wondered how to control them to play messages when different things happen, I guess it's …

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## [Node red minimun configuration](https://discourse.nodered.org/t/node-red-minimun-configuration/31416)

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**Author:** [@varunyc](https://discourse.nodered.org/u/varunyc)\
**Replies:** 4\
**Last updated:** [11 August 2020 10:21 UTC](https://discourse.nodered.org/t/node-red-minimun-configuration/31416 "2020-08-11T10:21:01Z")

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Dear Friends, I am Varun and very much new to the Node-red. I am looking for a board which has the following capacity It should have 4g mobile connectivity We should be able to install Node-RED on the board. Could yo…

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## [Bosch SHC Connection Problems](https://discourse.nodered.org/t/bosch-shc-connection-problems/30800)

<div class="topic-metadata">

**Author:** [@ralf\_ja](https://discourse.nodered.org/u/ralf_ja)\
**Replies:** 6\
**Last updated:** [2 August 2020 10:02 UTC](https://discourse.nodered.org/t/bosch-shc-connection-problems/30800 "2020-08-02T10:02:22Z")

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Hello, I hope I'm in the right place... I'm trying to connect the SHC Device Node to my SHC Device. Unfortunately I'm not able to establish a connection. Everytime I give it try I get the error that the Password isn…

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