Fix RGB to u32 conversion order in rmt_neopixel example (#505)

* Update rmt_neopixel.rs

* Update rmt_neopixel.rs

* Update CHANGELOG.md

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+- Fix RGB to u32 conversion order in rmt_neopixel example (#505)
+
 ## [0.45.0] - 2025-01-02
 
 ### Deprecated

examples/rmt_neopixel.rs

@@ -121,7 +121,7 @@ mod example {
         /// 7      0 7      0 7      0
         /// 00000010 00000001 00000100
         fn from(rgb: Rgb) -> Self {
-            ((rgb.r as u32) << 16) | ((rgb.g as u32) << 8) | rgb.b as u32
+            ((rgb.g as u32) << 16) | ((rgb.r as u32) << 8) | rgb.b as u32
         }
     }
 }