Arduino CO2 Sensor v.1
thingiverse
I have successfully printed the case in PLA with my Prusa i3 x. The MQ135 air-quality sensor is expertly controlled by an Arduino Nano and connected to a HC-06 bluetooth module, allowing seamless interaction with an Android smartphone to monitor ppm levels. Secure magnets hold the face firmly to the case. A bright yellow LED will illuminate when the sensor detects 1000 ppm, while a vibrant red LED will switch on at 1500 ppm. I designed this sensor specifically for educational settings, as I've observed that CO2 levels significantly impact student focus and attention. Hopefully, you'll find this sensor incredibly useful! P.S.: -Arduino CO2 Sensor v.2: https://www.thingiverse.com/thing:2422144 -Arduino code currently under revision
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