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/PinMode/PinMode.ino

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+/// @file    PinMode.ino
+/// @brief   Checks that pinMode, digitalWrite and digitalRead work correctly.
+/// @example Pintest.ino
+
+#include <FastLED.h>
+
+#define PIN 1
+
+void setup() {
+  delay(1000);
+  Serial.begin(9600);
+}
+
+void loop() {
+  pinMode(PIN, OUTPUT);
+  digitalWrite(PIN, HIGH);
+  delay(100);
+  digitalWrite(PIN, LOW);
+  pinMode(PIN, INPUT);
+  bool on = digitalRead(PIN);
+  Serial.print("Pin: ");
+  Serial.print(PIN);
+  Serial.print(" is ");
+  Serial.println(on ? "HIGH" : "LOW");
+  delay(1000);
+}