Increase minimum reset delay to 250us to support newer chips that req…

…uire longer delay

SimpleNeopixelDemo/SimpleNeopixelDemo.ino

@@ -35,9 +35,12 @@
 #define T0H  400    // Width of a 0 bit in ns
 #define T0L  900    // Width of a 0 bit in ns
 
-// The reset gap can be 6000 ns, but depending on the LED strip it may have to be increased
-// to values like 600000 ns. If it is too small, the pixels will show nothing most of the time.
-#define RES 6000    // Width of the low gap between bits to cause a frame to latch
+// Older pixels would reliabily reset with a 6us delay, but some newer (>2019) ones
+// need 250us. This is set to the longer delay here to make sure things work, but if
+// you want to get maximum refresh speed, you can try decreasing this until your pixels
+// start to flicker. 
+
+#define RES 250000    // Width of the low gap between bits to cause a frame to latch
 
 // Here are some convience defines for using nanoseconds specs to generate actual CPU delays