To monitor the temperature, DS18B20 was used and the data was saved using a SD card module by connecting it with the mainboard Arduino Mega. So, the list of components goes here: ...

Note the DS18B20 requires connection of a 4.7k pullup resistor between DATA and VCC. The Arduino OTA library is included to send OTA updates from the Arduino IDE.

The Dallas Semiconductor DS18B20 sensor is included in many beginner kits and offers an easy introduction to temperature measurement. Before you dive in, it’s helpful to have some knowledge ...

DS18B20 Sensor: An external DS18B20 digital temperature sensor can be connected to an empty slot on this module. The three empty pinouts in the bottom right corner serve as a placeholder for the ...