When you have a DHT22 / AM2302 sensor, you will be able to get the temperature and humidity of your environment.
Given that, this post shows how to use ESP32 development board to read temperature and humidity from a DHT22 sensor.
When you want to implement a low cost IOT solution with bluetooth interface, you can consider using a ESP32 development board. In addition to the bluetooth interface, the ESP32 development board also includes a WiFi interface.
In order to run a program on the ESP32 Development Board, we will need to write our program into the flash memory of the development board. Since it is easy to write code and flash programs with Arduino IDE, it is a good tool to use with the ESP32 Development Board.
In case you need it, this post shows how to enable ESP32 development on Arduino IDE.
Undeniably, the ESP8266 NodeMCU LUA Development Board is cost efficient for IOT solutions. Available at a low price point and built-in WiFi, we can easily get sensor readings and make them available on the Internet.
In order to run our program on ESP8266 NodeMCU LUA Development Board, we will need to write our program into the flash memory of the development board. Since it is easy to write code and flash programs with Arduino IDE, it is a good tool to use with the ESP8266 NodeMCU LUA Development Board.
In case you are looking for a reference to enable ESP8266 development on Arduino IDE, this post shows how you can do so.
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