**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 1\
**Last updated:** [14 August 2023 01:58 UTC](https://discourse.nodered.org/t/smooth-flickering-leds/80545 "2023-08-14T01:58:25Z")
Hey All, Not sure if this is the appropriate place for this question but, here goes. I'm controlling 12V LEDs with an esp8266 using PWM and MOSFETs. It works as intended except when the lights are dim I get flicker. …
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## [Looking for Outdoor PIR Sensor to work with esp8266](https://discourse.nodered.org/t/looking-for-outdoor-pir-sensor-to-work-with-esp8266/79887)
**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 7\
**Last updated:** [17 July 2023 19:27 UTC](https://discourse.nodered.org/t/looking-for-outdoor-pir-sensor-to-work-with-esp8266/79887 "2023-07-17T19:27:37Z")
Hey All, I'm looking for an outdoor PIR sensor something like this one. Outdoor PIR Sensor But this is rated at 12v and the esp8266 requires a 3.3v signal. Where can I find this kind of hardware? Thanks Rich
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## [Speed up serial communication](https://discourse.nodered.org/t/speed-up-serial-communication/79020)
**Author:** [@DirkB](https://discourse.nodered.org/u/DirkB)\
**Replies:** 10\
**Last updated:** [12 June 2023 18:27 UTC](https://discourse.nodered.org/t/speed-up-serial-communication/79020 "2023-06-12T18:27:59Z")
I want to retrieve data from my sensor. Baud rate is fix at 9600. My flow works so far, but the communication stops after 1 second because my sensor runs into a WatchDog and restarts. Therefore, I would like to design …
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## [Service Change Now nothing works](https://discourse.nodered.org/t/service-change-now-nothing-works/79099)
**Author:** [@sudomac](https://discourse.nodered.org/u/sudomac)\
**Replies:** 14\
**Last updated:** [12 June 2023 01:16 UTC](https://discourse.nodered.org/t/service-change-now-nothing-works/79099 "2023-06-12T01:16:40Z")
Recently, the Raspberry PI I have been using for my home automation died. Since I can't get a new one at the moment, I decided to backup my Node Red flows and import them into my windows machine. I made sure all used nod…
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## [Serial node reading: Arduino IDE string code problem](https://discourse.nodered.org/t/serial-node-reading-arduino-ide-string-code-problem/79029)
**Author:** [@WBr](https://discourse.nodered.org/u/WBr)\
**Replies:** 10\
**Last updated:** [8 June 2023 18:04 UTC](https://discourse.nodered.org/t/serial-node-reading-arduino-ide-string-code-problem/79029 "2023-06-08T18:04:29Z")
Dear all. I have a piece of code that is quite stubborn and I can't seem to find the problem. I am using an emergency ESP8266 as my nano showed the white-magic-mist-of-disappointment The code: #include \ #incl…
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## [Lightweight Java Graph](https://discourse.nodered.org/t/lightweight-java-graph/79005)
**Author:** [@allacmc](https://discourse.nodered.org/u/allacmc)\
**Replies:** 15\
**Last updated:** [8 June 2023 02:55 UTC](https://discourse.nodered.org/t/lightweight-java-graph/79005 "2023-06-08T02:55:21Z")
I'm developing a product that involves using an ESP32 microcontroller in conjunction with NODE-Red. Inside the microcontroller there will be an embedded webserver and I would like to place a graphic, but I need a very l…
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## [Kvaser Can interface](https://discourse.nodered.org/t/kvaser-can-interface/78916)
**Author:** [@hubert11](https://discourse.nodered.org/u/hubert11)\
**Replies:** 2\
**Last updated:** [4 June 2023 08:05 UTC](https://discourse.nodered.org/t/kvaser-can-interface/78916 "2023-06-04T08:05:38Z")
Hello I am looking for posiblility to geather data from CAN - network to node red. Is there any one who used usb interface like kvaser to read out information from CAN? Are there any hardware solutions to geather inform…
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## [ADS1115 ceramic capacitor: decoupling / noise removal?](https://discourse.nodered.org/t/ads1115-ceramic-capacitor-decoupling-noise-removal/77854)
**Author:** [@WBr](https://discourse.nodered.org/u/WBr)\
**Replies:** 26\
**Last updated:** [2 June 2023 10:55 UTC](https://discourse.nodered.org/t/ads1115-ceramic-capacitor-decoupling-noise-removal/77854 "2023-06-02T10:55:53Z")
I have a question. When using a differential sensor like the MPX53DP and an ADS1115, one mentioned to me that two ceramic capacitors: 104 (0.1uF) 106 (10uF) Are used for bridging pin A0 and pin A1 to reduce noise. T…
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## [Pimoroni Automation Hat Mini](https://discourse.nodered.org/t/pimoroni-automation-hat-mini/78616)
**Author:** [@PCgoDK](https://discourse.nodered.org/u/PCgoDK)\
**Replies:** 9\
**Last updated:** [30 May 2023 06:21 UTC](https://discourse.nodered.org/t/pimoroni-automation-hat-mini/78616 "2023-05-30T06:21:28Z")
Anyone know how to get the display on Pimoroni Automation Hat Mini to work in Node-RED? br. PCgo
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## [SDA SCL 5V GND different power supply; errors](https://discourse.nodered.org/t/sda-scl-5v-gnd-different-power-supply-errors/78541)
**Author:** [@WBr](https://discourse.nodered.org/u/WBr)\
**Replies:** 21\
**Last updated:** [20 May 2023 01:21 UTC](https://discourse.nodered.org/t/sda-scl-5v-gnd-different-power-supply-errors/78541 "2023-05-20T01:21:28Z")
I am having an issue regarding getting sensor data in node red i am using an MPRLS sensor. arduino nano and pi pi is getting 5V from a strong power supply (not the normal netconnector) i can get the MPRLS to work if i…
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## [Iipo checker for up to 6S](https://discourse.nodered.org/t/iipo-checker-for-up-to-6s/78427)
**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 17\
**Last updated:** [18 May 2023 17:11 UTC](https://discourse.nodered.org/t/iipo-checker-for-up-to-6s/78427 "2023-05-18T17:11:46Z")
Hello! I would like to build a lipo checker for up to 6S. What do I need before that? Unfortunately I don't know exactly which sensor module is best suited. I hope someone has a tip for me.
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## [3-phase power consumption measurement](https://discourse.nodered.org/t/3-phase-power-consumption-measurement/68489)
**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 202\
**Last updated:** [14 May 2023 17:38 UTC](https://discourse.nodered.org/t/3-phase-power-consumption-measurement/68489 "2023-05-14T17:38:27Z")
Hi folks, Wife has asked me to measure the power on every of the 3 phases, to get a quick overview of our power consumption. The shelly 3EM looks pretty cool and affordable. It has a clamp for every phase wire: P.…
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## [BananaPi M2 berry - Linux](https://discourse.nodered.org/t/bananapi-m2-berry-linux/78142)
**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 2\
**Last updated:** [9 May 2023 22:46 UTC](https://discourse.nodered.org/t/bananapi-m2-berry-linux/78142 "2023-05-09T22:46:05Z")
Hello. I bought myselft a bananaPi m2 berry. What distribution would you all suggest?. I tried 2 that i found, but wasnt able to install node red. Any tips? thank you
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## [S1 Smart Controller of iGlass](https://discourse.nodered.org/t/s1-smart-controller-of-iglass/76831)
**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 1\
**Last updated:** [8 May 2023 13:31 UTC](https://discourse.nodered.org/t/s1-smart-controller-of-iglass/76831 "2023-05-08T13:31:10Z")
does anybody already tried or worked with S1 Smart Controller of iGlass. They have a big collection of node-red nodes. S1 Smart Contrller would be nice to get some feedback.
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## [A recommended RS232 (USB will be great) GSM Module](https://discourse.nodered.org/t/a-recommended-rs232-usb-will-be-great-gsm-module/77796)
**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 0\
**Last updated:** [21 April 2023 14:56 UTC](https://discourse.nodered.org/t/a-recommended-rs232-usb-will-be-great-gsm-module/77796 "2023-04-21T14:56:21Z")
Uhh Hi! I am currently involved in a project that aims to achieve the following. Automated divert changes according to a schedule (i.e Joe Bloggs is now on call, so divert calls to Joe Bloggs - and let Joe know via …
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## [How to find the perfect hardware](https://discourse.nodered.org/t/how-to-find-the-perfect-hardware/77393)
**Author:** [@Manuel\_o](https://discourse.nodered.org/u/Manuel_o)\
**Replies:** 16\
**Last updated:** [19 April 2023 05:41 UTC](https://discourse.nodered.org/t/how-to-find-the-perfect-hardware/77393 "2023-04-19T05:41:27Z")
Hello friends. I am currently running my NR-program to read and control my pump. For this i talk to the pump via MODBUS (nodes) and send data (and recieve) to (from) my MQTT server that is running on a vm. Right now i …
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## [S2 Mini based on ESP32-S2 with the same footprint as the Wemos D1 Mini](https://discourse.nodered.org/t/s2-mini-based-on-esp32-s2-with-the-same-footprint-as-the-wemos-d1-mini/75389)
**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 57\
**Last updated:** [17 April 2023 07:51 UTC](https://discourse.nodered.org/t/s2-mini-based-on-esp32-s2-with-the-same-footprint-as-the-wemos-d1-mini/75389 "2023-04-17T07:51:03Z")
Apologies to everyone as this post is not directly related to Node-RED. I know many people on the Forum use the Wemos D1 Mini in their projects to collect data and send it to Node-RED via MQTT, so you may be interested …
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## [New release of ESPeasy 2023/April/09](https://discourse.nodered.org/t/new-release-of-espeasy-2023-april-09/77390)
**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 0\
**Last updated:** [9 April 2023 17:01 UTC](https://discourse.nodered.org/t/new-release-of-espeasy-2023-april-09/77390 "2023-04-09T17:01:13Z")
I know quite a few people on the forum use ESP8266 devices flashed with ESPeasy (e.g Wemos D1 Mini) to interact with Node-RED. Just to let you know - there was a new release of ESPeasy firmware on 2023/April/09. It was…
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## [IOT server: LAMP + node-red with autostart on Android 11](https://discourse.nodered.org/t/iot-server-lamp-node-red-with-autostart-on-android-11/77338)
**Author:** [@msillano](https://discourse.nodered.org/u/msillano)\
**Replies:** 0\
**Last updated:** [7 April 2023 12:53 UTC](https://discourse.nodered.org/t/iot-server-lamp-node-red-with-autostart-on-android-11/77338 "2023-04-07T12:53:01Z")
I like, for my dedicated IOT servers that work 24/7, to use a Tv Box (not rooted). Why? They are small, ready to use, with a good case, and require little power (5V, 2A) that is easily upgradable to UPS. The last HW is …
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## [Use MQTT for Shelly Thermostatic Radiator Valves](https://discourse.nodered.org/t/use-mqtt-for-shelly-thermostatic-radiator-valves/72368)
**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 64\
**Last updated:** [7 April 2023 09:31 UTC](https://discourse.nodered.org/t/use-mqtt-for-shelly-thermostatic-radiator-valves/72368 "2023-04-07T09:31:25Z")
Hi folks, Continuing the discussion from New smart wifi radiator valves from Shelly Thought it would never happen again, but finally I have ordered a Shelly TRV to experiment. But not quite sure what is the best way t…
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## [Control Mitsubishi Heavy Industries air condition units (WF-RAC)?](https://discourse.nodered.org/t/control-mitsubishi-heavy-industries-air-condition-units-wf-rac/76766)
**Author:** [@Programie](https://discourse.nodered.org/u/Programie)\
**Replies:** 1\
**Last updated:** [1 April 2023 12:59 UTC](https://discourse.nodered.org/t/control-mitsubishi-heavy-industries-air-condition-units-wf-rac/76766 "2023-04-01T12:59:44Z")
Today, I've got a new air conditioning unit from Mitsubishi Heavy Industries. Each indoor unit contains a WiFi module which responds to JSON requests sent as HTTP POST to port 51443 and is usually accessed using the "Sma…
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## [\[SOLVED\] What lightstrips are compatible with Node Red?](https://discourse.nodered.org/t/solved-what-lightstrips-are-compatible-with-node-red/76917)
**Author:** [@Aaroneisele55](https://discourse.nodered.org/u/Aaroneisele55)\
**Replies:** 7\
**Last updated:** [25 March 2023 19:21 UTC](https://discourse.nodered.org/t/solved-what-lightstrips-are-compatible-with-node-red/76917 "2023-03-25T19:21:24Z")
Hello, I'm looking for a RGB lightstrip that: (second most important): is off-the-shelf, so I don't have to worry about power supply or flash ESPs or even solder (which I'm totally bad at) (the most important thing:) i…
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## [Thought I'd pass this on](https://discourse.nodered.org/t/thought-id-pass-this-on/76970)
**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 5\
**Last updated:** [26 March 2023 23:39 UTC](https://discourse.nodered.org/t/thought-id-pass-this-on/76970 "2023-03-26T23:39:45Z")
New device. ORANGE PI, Small snip from article A Mali G510 MP4 graphics processor, "which has open-source driver hope via the Panfrost driver stack." Four different versions with 4GB, 8GB, 16GB, or 32GB of RAM using LPDD…
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## [Looking for Tasmota 102 instruction/tutorial](https://discourse.nodered.org/t/looking-for-tasmota-102-instruction-tutorial/76516)
**Author:** [@richiep](https://discourse.nodered.org/u/richiep)\
**Replies:** 11\
**Last updated:** [15 March 2023 18:00 UTC](https://discourse.nodered.org/t/looking-for-tasmota-102-instruction-tutorial/76516 "2023-03-15T18:00:20Z")
Hey All, I'm trying out Tasmota for the first time. I've found videos on what it is and how to flash a board; I've done that. I've logged on to the board and played around with the configuration. Now I'm trying to fi…
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## [Node red inside Home assistant with Raspberry pi 3 sees GPIO pins as Not available or NA](https://discourse.nodered.org/t/node-red-inside-home-assistant-with-raspberry-pi-3-sees-gpio-pins-as-not-available-or-na/76600)
**Author:** [@aswathstorm](https://discourse.nodered.org/u/aswathstorm)\
**Replies:** 1\
**Last updated:** [15 March 2023 14:43 UTC](https://discourse.nodered.org/t/node-red-inside-home-assistant-with-raspberry-pi-3-sees-gpio-pins-as-not-available-or-na/76600 "2023-03-15T14:43:25Z")
I have installed Home assistant in my Raspberry pi 3 and have add on Node red. then in the Manage pallet installed "node-red-node-pi-gpio" but after that if i use Gpio Out or In, i always see them as "Not applicable" o…
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## [Availability of Raspberry Pi Pico and Pico-W in the UK](https://discourse.nodered.org/t/availability-of-raspberry-pi-pico-and-pico-w-in-the-uk/74338)
**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 8\
**Last updated:** [30 January 2023 17:05 UTC](https://discourse.nodered.org/t/availability-of-raspberry-pi-pico-and-pico-w-in-the-uk/74338 "2023-01-30T17:05:13Z")
If, like one of my friends, you are having problems finding a Raspberry Pi Pico W in the UK - then you might like to know that this supplier has stock available (as of 29th Jan, 2023). £7.93 inc VAT and delivery - mu…
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## [Can the orange pi zero with 512MB RAM run node-red?](https://discourse.nodered.org/t/can-the-orange-pi-zero-with-512mb-ram-run-node-red/76346)
**Author:** [@ReinJah](https://discourse.nodered.org/u/ReinJah)\
**Replies:** 2\
**Last updated:** [9 March 2023 14:27 UTC](https://discourse.nodered.org/t/can-the-orange-pi-zero-with-512mb-ram-run-node-red/76346 "2023-03-09T14:27:07Z")
For a project, I want to use an orange pi zero 512MB to recieve data from a scale over serial USB. For this I want to use node-red. The flow itself is gonna be pretty simple, just send a string over USB and get a value b…
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## [Node-Red compatibility with PICkit 4 In-Circuit Debugger](https://discourse.nodered.org/t/node-red-compatibility-with-pickit-4-in-circuit-debugger/75618)
**Author:** [@aisyahshamsaimun](https://discourse.nodered.org/u/aisyahshamsaimun)\
**Replies:** 3\
**Last updated:** [27 February 2023 21:31 UTC](https://discourse.nodered.org/t/node-red-compatibility-with-pickit-4-in-circuit-debugger/75618 "2023-02-27T21:31:00Z")
Hi I would like to know if it's possible to use Node-Red instead of MPLAB X IDE to utilize the PICkit 4 programmer/debugger to program my device. I've been looking for information regarding this topic but couldn't find…
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## [Trying out Zigbee for local control - what to get?](https://discourse.nodered.org/t/trying-out-zigbee-for-local-control-what-to-get/75680)
**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 7\
**Last updated:** [25 February 2023 00:25 UTC](https://discourse.nodered.org/t/trying-out-zigbee-for-local-control-what-to-get/75680 "2023-02-25T00:25:05Z")
I'm thinking of trying out using zigbee for local control (but using Node-RED to control them) Looking for recommendations for dongle to stick into a Pi and a basic smart plug to play with
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## [USB serial port Error: Inappropriate ioctl for device setting custom baud rate of 115200](https://discourse.nodered.org/t/usb-serial-port-error-inappropriate-ioctl-for-device-setting-custom-baud-rate-of-115200/75508)
**Author:** [@DirkB](https://discourse.nodered.org/u/DirkB)\
**Replies:** 4\
**Last updated:** [21 February 2023 12:14 UTC](https://discourse.nodered.org/t/usb-serial-port-error-inappropriate-ioctl-for-device-setting-custom-baud-rate-of-115200/75508 "2023-02-21T12:14:18Z")
Hello together, when I try to setup my USB serial port device with the serial node I receive following error: "\[serialconfig:f60377cd5b554771\] Serieller Port /dev/bus/usb/001/005 FEHLER: Error: Error: Inappropriate ioc…
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