Merge pull request #424 from brentru/master

Fix: ESP32 espShow() doesn't de-init RMT
adafruit · Mar 6, 2025 · fd74287 · fd74287
2 parents 30413c2 + d1eebc2
commit fd74287
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/Adafruit_NeoPixel.cpp b/Adafruit_NeoPixel.cpp
@@ -122,6 +122,13 @@ Adafruit_NeoPixel::Adafruit_NeoPixel()
   @brief   Deallocate Adafruit_NeoPixel object, set data pin back to INPUT.
 */
 Adafruit_NeoPixel::~Adafruit_NeoPixel() {
+#ifdef ARDUINO_ARCH_ESP32
+  // Release RMT resources (RMT channels and led_data)
+  // by indirectly calling into espShow()
+  memset(pixels, 0, numBytes);
+  numLEDs = numBytes = 0;
+  show();
+#endif
   free(pixels);
   if (pin >= 0)
     pinMode(pin, INPUT);