A microcontroller board based on the ATmega328P chip. It provides a simple and versatile platform for prototyping and building electronic projects. It can be programmed to interact with various components and sensors.

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A digital temperature and humidity sensor. It provides accurate measurements of temperature and relative humidity.

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A compact and reliable GPS module. It provides accurate positioning, velocity, and time information.

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A gas sensor capable of detecting a wide range of air pollutants. It can measure the concentration of gases like ammonia, carbon monoxide, benzene, and sulfur.

A small GSM/GPRS module. It enables communication over the cellular network using GSM technology. It can be utilized for sending and receiving SMS messages, making calls, and establishing data connections.

A highly sensitive particulate matter sensor. It can detect and measure fine particles suspended in the air, such as dust, smoke, and pollen.

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