 #include <ArtNode.h>
 #include "ArtNetFrameExtension.h"
 #include "OctoWS2811.h"
+
+
+#if F_BUS < 60000000
+#error "Teensy needs to run at 120MHz to read all packets in time"
+#endif
 
 #include "TeensyMAC.h"
 #include <EEPROM.h>

  // Open ArtNet
  node = ArtNodeExtended(config, sizeof(udp_buffer), udp_buffer);

  Serial.begin(250000);
  LEDS.begin();
  LEDS.show();


  0, 0,                                 // Net (0-127) and subnet (0-15)
  "VertigoLED",                           // Short name
  "VertigoLED",                           // Long name
  18,                                    // Number of ports
  {PortTypeDmx | PortTypeOutput,
  PortTypeDmx | PortTypeOutput,
  PortTypeDmx | PortTypeOutput,
