diff --git a/wled00/src/dependencies/dmx/ESPDMX.cpp b/wled00/src/dependencies/dmx/ESPDMX.cpp
index d0d652c8..ca542601 100644
--- a/wled00/src/dependencies/dmx/ESPDMX.cpp
+++ b/wled00/src/dependencies/dmx/ESPDMX.cpp
@@ -11,12 +11,13 @@
 // - - - - -
 
 /* ----- LIBRARIES ----- */
-#ifdef ESP8266
+#if defined(ESP8266) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2)
 
 #include <Arduino.h>
 
 #include "ESPDMX.h"
 
+#pragma message "using ESPDMX"
 
 
 #define dmxMaxChannel  512
@@ -30,8 +31,8 @@
 bool dmxStarted = false;
 int sendPin = 2;		//default on ESP8266
 
-//DMX value array and size. Entry 0 will hold startbyte
-uint8_t dmxDataStore[dmxMaxChannel] = {};
+//DMX value array and size. Entry 0 will hold startbyte, so we need 512+1 elements
+uint8_t dmxDataStore[dmxMaxChannel+1] = {};
 int channelSize;
 
 
@@ -106,4 +107,4 @@ void DMXESPSerial::update() {
 
 // Function to update the DMX bus
 
-#endif
\ No newline at end of file
+#endif
diff --git a/wled00/src/dependencies/dmx/SparkFunDMX.cpp b/wled00/src/dependencies/dmx/SparkFunDMX.cpp
index dbc9b159..f97bd1d4 100644
--- a/wled00/src/dependencies/dmx/SparkFunDMX.cpp
+++ b/wled00/src/dependencies/dmx/SparkFunDMX.cpp
@@ -22,6 +22,8 @@ Distributed as-is; no warranty is given.
 #include "SparkFunDMX.h"
 #include <HardwareSerial.h>
 
+#pragma message "using SparkFunDMX"
+
 #define dmxMaxChannel  512
 #define defaultMax 32
 
@@ -34,8 +36,8 @@ static const int enablePin = -1;		// disable the enable pin because it is not ne
 static const int rxPin = -1;       // disable the receiving pin because it is not needed - softhack007: Pin=-1 means "use default" not "disable"
 static const int txPin = 2;        // transmit DMX data over this pin (default is pin 2)
 
-//DMX value array and size. Entry 0 will hold startbyte
-static uint8_t dmxData[dmxMaxChannel] = { 0 };
+//DMX value array and size. Entry 0 will hold startbyte, so we need 512+1 elements
+static uint8_t dmxData[dmxMaxChannel+1] = { 0 };
 static int chanSize = 0;
 #if !defined(DMX_SEND_ONLY)
 static int currentChannel = 0;
diff --git a/wled00/wled.h b/wled00/wled.h
index e5047aa5..9daf4a8d 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -164,7 +164,7 @@
 #endif
 
 #ifdef WLED_ENABLE_DMX
- #ifdef ESP8266
+  #if defined(ESP8266) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32S2)
   #include "src/dependencies/dmx/ESPDMX.h"
  #else //ESP32
   #include "src/dependencies/dmx/SparkFunDMX.h"