Abstract
In the paper, the hardware and software of the IoT weather monitoring system have been developed. The hardware of the IoT weather monitoring system consists of the microcontroller device which is developed on the Arduino Mega2560 board, digital pressure, temperature and humidity sensor BME280, Wi-Fi module ESP-01 built on the ESP8266 chip and the 16×2 alphanumeric LCD based on the Hitachi HD44780 controller. The electronic circuit and the model of the microcontroller weather monitoring device have been created in Proteus VSM. The operation algorithm of the IoT weather monitoring system has been developed. The IoT device monitors such weather parameters as: atmospheric pressure, temperature and relative humidity. The software modules for communication with the BME280 sensor and Wi-Fi module ESP-01 and main data collection and acquisition software for the ATmega2560 microcontroller of the Arduino Mega2560 board have been created. The software for communication with the ThingsBoard IoT platform and Mosquitto MQTT broker has been created. The dashboards for weather data visualization on the IoT platform ThingsBoard using ThingsBoard Dashboard and from the Mosquitto MQTT broker using Node-RED have been created. The operation of the microcontroller weather monitoring device has been simulated in Proteus ISIS. The prototype of the microcontroller weather monitoring device has been built on a solderless breadboard and the operation of the IoT weather monitoring system has been tested.
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