#include "DHT20.h" #define SERVO_PIN A3 #define LEVEL_UP_PIN A0 #define LEVEL_DOWN_PIN A1 #define HUMID_CHECK_PIN A2 #define LEVEL_CHECK_PIN 3 #define LED_PIN 2 #define ONBOARD_LED_PIN 13 // 0 blink ~ 40.0 // 1 blink 40.0 ~ 42.5 // 2 blink…