v1.3增加一个简单的越障模式

v1.3/lib/FastLED/examples/Async/Async.ino

@@ -0,0 +1,19 @@
+#include <Arduino.h>
+#include "fl/sketch_macros.h"
+
+#if SKETCH_HAS_LOTS_OF_MEMORY
+
+#include "./Async.h"
+
+#else
+
+void setup() {
+    Serial.begin(9600);
+}
+
+void loop() {
+    Serial.println("Not enough memory");
+    delay(1000);
+}
+
+#endif