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Good ventilation improves people’s quality of life. In this tutorial I present how to build a simple air quality monitor to improve your ventilation routines.

It is a simple remote Air Quality monitor with an Arduino Nicla Sense ME board as a sensor and an Arduino Nano 33 IoT as a monitoring system.

A common problem with portable air quality sensors is that the sensors are too close to the person observing them, which adds noise to the readings with their breathing. In this project we solve the problem by means of a remote monitor that communicates via Bluetooth with the distant sensor.

The system is made up of a Nicla Sense ME board that will act as a remote sensor and an Arduino Nano 33 IoT board and a color TFT LCD display that will allow us to view the data in real time.
The communication between the two subsystems is carried out through Bluetooth Low Energy (BLE) communication.”

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