v1.4实现机器人一起踢乒乓球功能，使用maixcam，离线运行。

v1.4/platformio/lib/FastLED/examples/WS2816/WS2816.ino

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+/// @file    WS2816.ino
+/// @brief   A blink example using the WS2816 controller
+/// @example WS2816.ino
+/// Note that the WS2816 has a 4 bit gamma correction built in. As of 3.9.12, no gamma
+/// correction in FastLED is applied. However, in the future this could change to improve
+/// the color accuracy.
+
+#include <FastLED.h>
+
+// How many leds in your strip?
+#define NUM_LEDS 1
+
+
+#define DATA_PIN 3
+
+
+// Define the array of leds
+CRGB leds[NUM_LEDS];
+
+void setup() { 
+    // Uncomment/edit one of the following lines for your leds arrangement.
+    // ## Clockless types ##
+    FastLED.addLeds<WS2816, DATA_PIN>(leds, NUM_LEDS);  // GRB ordering is assumed
+}
+
+void loop() { 
+  // Turn the LED on, then pause
+  leds[0] = CRGB::Red;
+  FastLED.show();
+  delay(500);
+  // Now turn the LED off, then pause
+  leds[0] = CRGB::Black;
+  FastLED.show();
+  delay(500);
+}