ESPHome Neopixelbus Detected As A Single LED?
Introduction
In this article, we will explore the issue of ESPHome neopixelbus being detected as a single LED when using the Hyperion server. We will delve into the steps to reproduce the issue, the expected behavior, and the actual behavior. Additionally, we will provide a system information section to help diagnose the problem.
The Issue
The problem arises when trying to switch ESP32 firmware from WLED to ESPHome neopixelbus. The strip is being detected as 1 LED long, despite the "Identify" button turning on all 241 LEDs.
Steps to Reproduce
To reproduce the issue, follow these steps:
- Install the ESPHome neopixelbus component and configure it as shown in the code snippet below:
esphome: name: tizen-ambilight-leds friendly_name: tizen_ambilight_leds
esp32: board: esp32dev framework: type: arduino
wifi: ssid: !secret wifi_ssid password: !secret wifi_password
[...]
light:
- platform: neopixelbus
type: GRB
variant: WS2812
pin: GPIO23
num_leds: 241
name: "LED Strip"
restore_mode: ALWAYS_OFF
effects:
- addressable_scan:
2. Trigger the addressable_scan effect in Home Assistant to correctly address the single LEDs.
**Expected Behavior**
----------------------
The expected behavior is that the Hyperion server should detect 241 LEDs.
**Actual Behavior**
---------------------
The actual behavior is that the Hyperion server detects all LEDs as one.
**System Information**
----------------------
To help diagnose the problem, we have provided the system information below:
### Hyperion Server
* **Build:** LordGrey-56aa545/d5664b6-1744986564
* **Build time:** Apr 19 2025 01:22:16
* **Build type:** Release
* **Git Remote:** https://github.com/hyperion-project/hyperion.ng
* **Version:** 2.0.17-beta.3+nightly20250419d5664b6411a4eccc2f7ba083785d7b0a0391cf89
* **UI Lang:** en (BrowserLang: en-US)
* **UI Access:** default
* **Avail Screen Cap.:** framebuffer,x11,xcb,qt
* **Avail Video Cap.:** v4l2
* **Avail Audio Cap.:** audio
* **Avail Services:** boblight,cec,effectengine,forwarder,flatbuffer,protobuffer,mDNS,SSDP,borderdetection
* **Config database:** /root/.hyperion/db/hyperion.db
* **Database:** read/write
* **Mode:** Non-GUI
### Hyperion Server OS
* **Distribution:** Ubuntu 22.04.5 LTS
* **Architecture:** x86_64
* **CPU Model:** Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz
* **CPU Type:** 60
* **Kernel:** linux (6.6.78-Unraid (WS: 64))
* **Root/Admin:** true
* **Qt Version:** 6.2.4
* **Python Version:** 3.10.12
* **Browser:** Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0
**Conclusion**
----------
In conclusion, the issue of ESPHome neopixelbus being detected as a single LED when using the Hyperion server is a complex problem that requires a thorough understanding of the system configuration and the Hyperion server's behavior. By following the steps to reproduce the issue, we can identify the root cause of the problem and work towards a solution.
**Troubleshooting Tips**
-------------------------
To troubleshoot this issue, we recommend the following:
1. Check the system configuration and ensure that the ESPHome neopixelbus component is properly configured.
2. Verify that the Hyperion server is running the latest version and that the UI is set to the correct language.
3. Check the system logs for any errors or warnings related to the Hyperion server or the ESPHome neopixelbus component.
4. Try triggering the addressable_scan effect in Home Assistant to correctly address the single LEDs.
By following these troubleshooting tips, we can identify the root cause of the problem and work towards a solution.<br/>
**ESPHome Neopixelbus Detected as a Single LED: A Q&A Guide**
====================================================================
**Introduction**
---------------
In our previous article, we explored the issue of ESPHome neopixelbus being detected as a single LED when using the Hyperion server. In this article, we will provide a Q&A guide to help you troubleshoot and resolve this issue.
**Q: What is the cause of the ESPHome neopixelbus being detected as a single LED?**
--------------------------------------------------------------------------------
A: The cause of the ESPHome neopixelbus being detected as a single LED is a complex issue that can be attributed to several factors, including:
* **Incorrect system configuration**: The ESPHome neopixelbus component may not be properly configured, leading to the Hyperion server detecting only one LED.
* **Outdated Hyperion server version**: The Hyperion server may be running an outdated version, which can cause compatibility issues with the ESPHome neopixelbus component.
* **Incorrect UI language**: The UI language may not be set to the correct language, leading to the Hyperion server detecting only one LED.
**Q: How can I troubleshoot the issue?**
-----------------------------------------
A: To troubleshoot the issue, follow these steps:
1. **Check the system configuration**: Verify that the ESPHome neopixelbus component is properly configured.
2. **Update the Hyperion server version**: Ensure that the Hyperion server is running the latest version.
3. **Check the UI language**: Verify that the UI language is set to the correct language.
4. **Check the system logs**: Review the system logs for any errors or warnings related to the Hyperion server or the ESPHome neopixelbus component.
5. **Trigger the addressable_scan effect**: Try triggering the addressable_scan effect in Home Assistant to correctly address the single LEDs.
**Q: What are the system requirements for the ESPHome neopixelbus component?**
--------------------------------------------------------------------------------
A: The system requirements for the ESPHome neopixelbus component are:
* **ESP32 board**: The ESPHome neopixelbus component requires an ESP32 board to function.
* **Arduino framework**: The ESPHome neopixelbus component uses the Arduino framework to communicate with the ESP32 board.
* **GRB or RGBW variant**: The ESPHome neopixelbus component supports both GRB and RGBW variants of the WS2812 LED strip.
**Q: Can I use the ESPHome neopixelbus component with other LED strips?**
--------------------------------------------------------------------------------
A: Yes, the ESPHome neopixelbus component can be used with other LED strips, including:
* **WS2812B**: The ESPHome neopixelbus component supports the WS2812B LED strip.
* **WS2813**: The ESPHome neopixelbus component supports the WS2813 LED strip.
* **APA102**: The ESPHome neopixelbus component supports the APA102 LED strip.
**Q: How can I update the Hyperion server version?**
-----------------------------------------
A: To update the Hyperion server version, follow these steps:
1. **Check the Hyperion server version**: Verify the current version of the Hyperion server.
2. **Download the latest version**: Download the latest version of the Hyperion server from the official website.
3. **Install the latest version**: Install the latest version of the Hyperion server.
4. **Restart the Hyperion server**: Restart the Hyperion server to apply the changes.
**Conclusion**
----------
In conclusion, the issue of ESPHome neopixelbus being detected as a single LED when using the Hyperion server is a complex problem that requires a thorough understanding of the system configuration and the Hyperion server's behavior. By following the troubleshooting tips and Q&A guide provided in this article, you can identify the root cause of the problem and work towards a solution.