diff --git a/src/internal/NeoArmMethod.h b/src/internal/NeoArmMethod.h
index 7af07d3..32c2d25 100644
--- a/src/internal/NeoArmMethod.h
+++ b/src/internal/NeoArmMethod.h
@@ -106,8 +106,8 @@ private:
     uint8_t _pin;            // output pin number
 };
 
-
-#if defined(__MK20DX128__) || defined(__MK20DX256__) // Teensy 3.0 & 3.1
+// Teensy 3.0 or 3.1 (3.2) or 3.5 or 3.6
+#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) 
 
 class NeoArmMk20dxSpeedProps800KbpsBase
 {
@@ -197,8 +197,6 @@ typedef NeoArmMethodBase<NeoArmMk20dxSpeedBase<NeoArmMk20dxSpeedProps400Kbps>> N
 
 #if F_CPU == 48000000
 
-
-
 class NeoArmMk26z64Speed800KbpsBase
 {
 public: