# Questions **URL:** https://wled.discourse.group/c/questtions/12.md?page=4 [Latest](https://wled.discourse.group/latest.md) · [Categories](https://wled.discourse.group/categories.md) **Page:** 5 --- ## [Serial protocol limitations](https://wled.discourse.group/t/serial-protocol-limitations/11728)
**Author:** [@JonnyTech](https://wled.discourse.group/u/JonnyTech)\ **Replies:** 6\ **Last updated:** [October 5, 2025, 1:11pm UTC](https://wled.discourse.group/t/serial-protocol-limitations/11728 "2025-10-05T13:11:47Z")
According to Serial - WLED Project the JSON API is available over serial via GPIO1 and GPIO3. This works well but it seems that it is limited to only the State object. Is it possible to access the cfg object via serial… --- ## [DMX input](https://wled.discourse.group/t/dmx-input/14890)
**Author:** [@JC003](https://wled.discourse.group/u/JC003)\ **Replies:** 0\ **Last updated:** [October 3, 2025, 7:14pm UTC](https://wled.discourse.group/t/dmx-input/14890 "2025-10-03T19:14:28Z")
I am trying to use a preset DMX control wall panel that has pre-assigned DMX channels for each color channel to control WLED. is there a way to get a DMX signal into an ESP32 by using a max548, then setting what channel … --- ## [Macro interrupts playlist](https://wled.discourse.group/t/macro-interrupts-playlist/14887)
**Author:** [@fabulouspaul](https://wled.discourse.group/u/fabulouspaul)\ **Replies:** 0\ **Last updated:** [October 1, 2025, 10:09am UTC](https://wled.discourse.group/t/macro-interrupts-playlist/14887 "2025-10-01T10:09:32Z")
I am new to WLED. If this question was asked before, i apologize in advance. :slight\_smile: Wiring a LED matrix and connect it to my ESP32 i made a nice digital clock with changing background effects. I set up serveral … --- ## [Where to put the capacitor in my project](https://wled.discourse.group/t/where-to-put-the-capacitor-in-my-project/14880)
**Author:** [@brendonhatcher](https://wled.discourse.group/u/brendonhatcher)\ **Replies:** 2\ **Last updated:** [September 29, 2025, 8:53pm UTC](https://wled.discourse.group/t/where-to-put-the-capacitor-in-my-project/14880 "2025-09-29T20:53:24Z")
Hi. I am running a beginners intro to LED at a Makerspace. I am using a very basic setup (30 LEDs, 5v 5A power supply, ESP32 and modules on a breadboard, and the higher current items connected using Wago clips. Basica… --- ## [Power cord with 4 button on/off switch](https://wled.discourse.group/t/power-cord-with-4-button-on-off-switch/14882)
**Author:** [@ThomasB](https://wled.discourse.group/u/ThomasB)\ **Replies:** 0\ **Last updated:** [September 29, 2025, 6:34pm UTC](https://wled.discourse.group/t/power-cord-with-4-button-on-off-switch/14882 "2025-09-29T18:34:12Z")
I got a really cheap LED lamp with two LED strips that can show cold white, white and warm white, and it is operated with a 4 button switch. I was thinking of replacing these strips with some WLED compatible strips to ma… --- ## [DHCP name/Server Description != mDNS name](https://wled.discourse.group/t/dhcp-name-server-description-mdns-name/14879)
**Author:** [@benl](https://wled.discourse.group/u/benl)\ **Replies:** 1\ **Last updated:** [September 29, 2025, 10:41am UTC](https://wled.discourse.group/t/dhcp-name-server-description-mdns-name/14879 "2025-09-29T10:41:41Z")
Is there a reason why the mDNS name and Server Description / DHCP name are separate and different by default? The mDNS name (Settings \> WiFi) defaults to wled-\, e.g. wled-326524. This is good as it’s … --- ## [Help plz](https://wled.discourse.group/t/help-plz/14878)
**Author:** [@Josefgazdick](https://wled.discourse.group/u/Josefgazdick)\ **Replies:** 0\ **Last updated:** [September 28, 2025, 8:53pm UTC](https://wled.discourse.group/t/help-plz/14878 "2025-09-28T20:53:31Z")
Listen idk what’s going on, ive changed controllers ive change strips nee power supplys. Its gotta be aoftware..it just keeps happening only with this wled . I have pictures of the controller im using, strip etc. and it … --- ## [1922 LEDs with 9mm Between](https://wled.discourse.group/t/1922-leds-with-9mm-between/14861)
**Author:** [@Gullwingdmc](https://wled.discourse.group/u/Gullwingdmc)\ **Replies:** 0\ **Last updated:** [September 21, 2025, 9:04pm UTC](https://wled.discourse.group/t/1922-leds-with-9mm-between/14861 "2025-09-21T21:04:23Z")
Let me start off by saying, I’m insane. Now that we have that out of the way. I am going to attach 1922 LEDs to the inside of this Spaceship Earth model and drive it all with WLED. Do you all have any recommendations o… --- ## [Esp32 as argb controller for pc](https://wled.discourse.group/t/esp32-as-argb-controller-for-pc/14796)
**Author:** [@MARK2580](https://wled.discourse.group/u/MARK2580)\ **Replies:** 18\ **Last updated:** [September 12, 2025, 3:09pm UTC](https://wled.discourse.group/t/esp32-as-argb-controller-for-pc/14796 "2025-09-12T15:09:31Z")
Hi. I have an idea to make an esp32 argb controller for a PC case. The task is to get a lot of separate output ports for each device (at least 10 pieces). That is, so that I can connect a fan or address strip to each sep… --- ## [Using Buttons to Remotely Control WLED](https://wled.discourse.group/t/using-buttons-to-remotely-control-wled/14844)
**Author:** [@network\_engineer](https://wled.discourse.group/u/network_engineer)\ **Replies:** 0\ **Last updated:** [September 11, 2025, 4:28pm UTC](https://wled.discourse.group/t/using-buttons-to-remotely-control-wled/14844 "2025-09-11T16:28:06Z")
I have spent a fair amount of time looking for a project that someone has already done that I can use as a template for what I want to do. I have not found one yet. I will have 3 ESP32’s running WLED. I would like to … --- ## [Excuse me, how to configure the WLED LAN port? Thank you very much for your reply. I'm waiting online, thanks](https://wled.discourse.group/t/excuse-me-how-to-configure-the-wled-lan-port-thank-you-very-much-for-your-reply-im-waiting-online-thanks/14828)
**Author:** [@jack2088](https://wled.discourse.group/u/jack2088)\ **Replies:** 4\ **Last updated:** [September 10, 2025, 1:40am UTC](https://wled.discourse.group/t/excuse-me-how-to-configure-the-wled-lan-port-thank-you-very-much-for-your-reply-im-waiting-online-thanks/14828 "2025-09-10T01:40:14Z")
Excuse me, how to configure the WLED LAN port? Thank you very much for your reply. I’m waiting online, thanks. The chip model is: LAN8720A --- ## [GPIO0 button, disable open AP/reset](https://wled.discourse.group/t/gpio0-button-disable-open-ap-reset/14834)
**Author:** [@Ejwind](https://wled.discourse.group/u/Ejwind)\ **Replies:** 5\ **Last updated:** [September 9, 2025, 7:17pm UTC](https://wled.discourse.group/t/gpio0-button-disable-open-ap-reset/14834 "2025-09-09T19:17:43Z")
I have bought 4 nice looking ESP32 packages with Mic, button and USB-C in. That I want to use with some fairy light strings in combination with powerbank, when camping and stuff. The trouble is that in build in button i… --- ## [Naming convention in the nightly release](https://wled.discourse.group/t/naming-convention-in-the-nightly-release/14829)
**Author:** [@wiiNinja](https://wled.discourse.group/u/wiiNinja)\ **Replies:** 1\ **Last updated:** [September 5, 2025, 5:00pm UTC](https://wled.discourse.group/t/naming-convention-in-the-nightly-release/14829 "2025-09-05T17:00:45Z")
I have previously used WLED\_0.16.0-alpha\_ESP32.bin, but in the latest nightly, it is not listed. Instead I found several other \_ESP32 binaries. I did some Googling to find the relevance for each: ESP32-C3 = Cost-effecti… --- ## [Way to run webserver without a hardware to debug the webserver?](https://wled.discourse.group/t/way-to-run-webserver-without-a-hardware-to-debug-the-webserver/14814)
**Author:** [@saschanaz](https://wled.discourse.group/u/saschanaz)\ **Replies:** 1\ **Last updated:** [September 1, 2025, 6:09pm UTC](https://wled.discourse.group/t/way-to-run-webserver-without-a-hardware-to-debug-the-webserver/14814 "2025-09-01T18:09:11Z")
Hello from Firefox team, We got a user report about the WLED webserver and Firefox behavior in 1934676 - WLED: input in iframe not focusing after going back to history, and to debug we need a way to set up the server, b… --- ## [Delay the launch of Wi-Fi. The source codes of the firmware with my settings are lost](https://wled.discourse.group/t/delay-the-launch-of-wi-fi-the-source-codes-of-the-firmware-with-my-settings-are-lost/8574)
**Author:** [@Molotochek](https://wled.discourse.group/u/Molotochek)\ **Replies:** 9\ **Last updated:** [September 1, 2025, 1:50pm UTC](https://wled.discourse.group/t/delay-the-launch-of-wi-fi-the-source-codes-of-the-firmware-with-my-settings-are-lost/8574 "2025-09-01T13:50:08Z")
The source codes of the firmware with my settings are lost. Is it possible to somehow decompile the bin file to make the corrections I need and compile back? Then flash the board with this binary. --- ## [Preset Configuration Issue – Segment Control & Brightness Behavior](https://wled.discourse.group/t/preset-configuration-issue-segment-control-brightness-behavior/14794)
**Author:** [@011V32](https://wled.discourse.group/u/011V32)\ **Replies:** 3\ **Last updated:** [August 28, 2025, 9:03am UTC](https://wled.discourse.group/t/preset-configuration-issue-segment-control-brightness-behavior/14794 "2025-08-28T09:03:33Z")
Hi everyone, I’m using WLED on a WT32-ETH01 with the official version 0.15.1, and I’ve set up the following preset configuration: { "0": {}, "1": { "on": false, "bri": 20, "transition": 10, "mainseg… --- ## [How to install Tasmota on a device running WLED?](https://wled.discourse.group/t/how-to-install-tasmota-on-a-device-running-wled/14673)
**Author:** [@pbasista](https://wled.discourse.group/u/pbasista)\ **Replies:** 4\ **Last updated:** [August 26, 2025, 10:56am UTC](https://wled.discourse.group/t/how-to-install-tasmota-on-a-device-running-wled/14673 "2025-08-26T10:56:15Z")
Hi, Is there a way to install Tasmota on a device which is currently running WLED (e.g. a smart lightbulb)? If yes, how can it be done? Could e.g. the built-in WLED firmware update web UI be used for that purpose? --- ## [Help creating usermod](https://wled.discourse.group/t/help-creating-usermod/14582)
**Author:** [@LisovR](https://wled.discourse.group/u/LisovR)\ **Replies:** 10\ **Last updated:** [August 23, 2025, 3:59pm UTC](https://wled.discourse.group/t/help-creating-usermod/14582 "2025-08-23T15:59:50Z")
WLED version 0.15.0 I’m trying to create my own usermod, I have two questions: Why doesn’t the button in Info work for me, it doesn’t switch the variable. JsonArray infoArr = user.createNestedArray(FPSTR(\_nam… --- ## [How to make an progress-bar effekt](https://wled.discourse.group/t/how-to-make-an-progress-bar-effekt/14786)
**Author:** [@011V32](https://wled.discourse.group/u/011V32)\ **Replies:** 6\ **Last updated:** [August 21, 2025, 12:16pm UTC](https://wled.discourse.group/t/how-to-make-an-progress-bar-effekt/14786 "2025-08-21T12:16:26Z")
Hello everyone, I’m new to WLED and I’m trying to implement a feature that I haven’t been able to solve yet. The hardware setup is already working fine – the LEDs light up as expected. I’m currently using version v0.15… --- ## [Arduino OTA from PlatformIO](https://wled.discourse.group/t/arduino-ota-from-platformio/2432)
**Author:** [@peter](https://wled.discourse.group/u/peter)\ **Replies:** 8\ **Last updated:** [August 21, 2025, 7:39am UTC](https://wled.discourse.group/t/arduino-ota-from-platformio/2432 "2025-08-21T07:39:29Z")
Hi All. I’m just starting with WLED. I’m custom compiling in PlatformIO, as the project I’m putting together will (hopefully) use 2 or 3 small usermods. My esp32 is not easily accessible, so once I’ve got my base code… --- ## [Determine if the Data Output GPIO is actually outputting?](https://wled.discourse.group/t/determine-if-the-data-output-gpio-is-actually-outputting/14772)
**Author:** [@bd0g](https://wled.discourse.group/u/bd0g)\ **Replies:** 15\ **Last updated:** [August 20, 2025, 4:57pm UTC](https://wled.discourse.group/t/determine-if-the-data-output-gpio-is-actually-outputting/14772 "2025-08-20T16:57:36Z")
Setup WLED (latest version) on a standard ESP32 and have configured it to allow access via WiFi and also setup the 2 D configuration for 960 LED’s in a serpentine pattern. This will consist of 15 tiles. Each tile conta… --- ## [Help identifying LED Neon strip](https://wled.discourse.group/t/help-identifying-led-neon-strip/14784)
**Author:** [@hoontune](https://wled.discourse.group/u/hoontune)\ **Replies:** 0\ **Last updated:** [August 20, 2025, 4:16am UTC](https://wled.discourse.group/t/help-identifying-led-neon-strip/14784 "2025-08-20T04:16:21Z")
An electrician friend pulled some LED Neon strip out of an office building. He brought it round to my place and said “you like tinkering with stuff” and dropped it at my feet. I’ve had trouble identifying the strip and … --- ## [API white color temperature for RGB leds](https://wled.discourse.group/t/api-white-color-temperature-for-rgb-leds/14777)
**Author:** [@user8472](https://wled.discourse.group/u/user8472)\ **Replies:** 1\ **Last updated:** [August 18, 2025, 2:27pm UTC](https://wled.discourse.group/t/api-white-color-temperature-for-rgb-leds/14777 "2025-08-18T14:27:11Z")
In the browser UI there is a slider for setting the white color temperature which also works for RGB led strips. I tried to create a preset to emulate this slider with the api command ‘W=~10’ but it does nothing. So I fi… --- ## [Single button interface](https://wled.discourse.group/t/single-button-interface/14718)
**Author:** [@user8472](https://wled.discourse.group/u/user8472)\ **Replies:** 5\ **Last updated:** [August 17, 2025, 9:56am UTC](https://wled.discourse.group/t/single-button-interface/14718 "2025-08-17T09:56:30Z")
Hi everyone, I am a bit lost. Maybe you can give me a hint. I want to set up a single (hardware) button interface that works like this: Short press cycles through a block of presets in increasing order. Long press cyc… --- ## [4 2d panels with 2 esp32's](https://wled.discourse.group/t/4-2d-panels-with-2-esp32s/14669)
**Author:** [@epoyart](https://wled.discourse.group/u/epoyart)\ **Replies:** 6\ **Last updated:** [August 16, 2025, 8:49am UTC](https://wled.discourse.group/t/4-2d-panels-with-2-esp32s/14669 "2025-08-16T08:49:12Z")
Hello, I’m setting up 4 2d panels, each one 8x128. I’d like to use 2 ESP32 controllers, each one controlling 2 panels. I’m able to setup the 2 controllers and make them sync via udp. ----- ----- ----- ----- | |… --- ## [Paid development: A new project that uses WLED to drive a protocol similar to WS281x](https://wled.discourse.group/t/paid-development-a-new-project-that-uses-wled-to-drive-a-protocol-similar-to-ws281x/14741)
**Author:** [@208881061](https://wled.discourse.group/u/208881061)\ **Replies:** 2\ **Last updated:** [August 14, 2025, 6:22pm UTC](https://wled.discourse.group/t/paid-development-a-new-project-that-uses-wled-to-drive-a-protocol-similar-to-ws281x/14741 "2025-08-14T18:22:38Z")
Paid development: A new project that uses WLED to drive a protocol similar to WS281x to create corresponding lighting effects. I provide a complete driver protocol that requires you to complete the firmware development. --- ## [Two ESP32s with 2 strips each](https://wled.discourse.group/t/two-esp32s-with-2-strips-each/14749)
**Author:** [@FredoTheGreat](https://wled.discourse.group/u/FredoTheGreat)\ **Replies:** 0\ **Last updated:** [August 11, 2025, 8:02pm UTC](https://wled.discourse.group/t/two-esp32s-with-2-strips-each/14749 "2025-08-11T20:02:44Z")
I have an astro observatory with a moving roof in the fixed part I have 2 strips on a 10a supply 288 leds each one strip on io16 the other on io17 with a push switch by the door to turn on (io19) one press all red LEDs … --- ## [Change in json format: unadressed led not cleared](https://wled.discourse.group/t/change-in-json-format-unadressed-led-not-cleared/14728)
**Author:** [@leifnel](https://wled.discourse.group/u/leifnel)\ **Replies:** 3\ **Last updated:** [August 11, 2025, 8:03am UTC](https://wled.discourse.group/t/change-in-json-format-unadressed-led-not-cleared/14728 "2025-08-11T08:03:12Z")
With home assistant I send yaml to the wled device. I’m using a led strip as a huge voltmeter for my robotic mower. It creates a bar from the highest (last) led downwards, proportional to the voltage, at a dim level. … --- ## [\[Solved\] ESP8266 no WebUI with version newer 0.14.0](https://wled.discourse.group/t/solved-esp8266-no-webui-with-version-newer-0-14-0/12304)
**Author:** [@Dieter](https://wled.discourse.group/u/Dieter)\ **Replies:** 23\ **Last updated:** [August 7, 2025, 5:21am UTC](https://wled.discourse.group/t/solved-esp8266-no-webui-with-version-newer-0-14-0/12304 "2025-08-07T05:21:28Z")
I flashed 0.14.xx and 0.15.xx to my ESP8266s, I tried it with D1 Mini, NodeMCU and Amica, all from AZ Delivery. All of them are working in AP mode and also connecting to the router after set Wifi settings , but no Web… --- ## [Using DDP only works with fixed colors](https://wled.discourse.group/t/using-ddp-only-works-with-fixed-colors/14734)
**Author:** [@DarthWeber](https://wled.discourse.group/u/DarthWeber)\ **Replies:** 0\ **Last updated:** [August 7, 2025, 3:52am UTC](https://wled.discourse.group/t/using-ddp-only-works-with-fixed-colors/14734 "2025-08-07T03:52:00Z")
Hi, i setup DDP with a single bulp (Athom, PWM RGB+CCT) - but that only woks with simple palette like color1. With other palettes like Aurora2 i have this palette only on the sending controller. The receiving bulp only s… [Previous page](https://wled.discourse.group/c/questtions/12.md?page=3) [Next page](https://wled.discourse.group/c/questtions/12.md?page=5)