#define MQTT_SERVER "..."
#define MQTT_PORT ...
#define MQTTUSER ...
#define MQTTPASSWORD ...
Current libraries and packages used
[env:megaADK]
platform = atmelavr
board = megaADK
framework = arduino
monitor_speed = 9600
lib_deps =
arduino-libraries/Ethernet@^2.0.1
256dpi/MQTT @ ^2.5.1
adafruit/DHT sensor library @ ^1.4.4
mulmer89/EZO I2C Sensors@2.0.0+640de15
adafruit/TSL2561 Arduino Library@^1.0.0