New Guide! FunHouse IoT Fume Extractor and Air Quality Sensor @BlitzCityDIY @ecken « Adafruit Industries – Makers, hackers, artists, designers and engineers!

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Have you ever wanted more out of your Fume Extractor? How about a fume extractor that can sense air quality and send data to a feed? And, wouldn’t it be great if the fan speed correlated with the amount of fumes in the air? Liz Clark had this idea and she came up with a great project that uses the Adafruit FunHouse and a few STEMMA QT breakouts. I had a hand in the enclosure design and together we put together a learn guide. We hope this inspires you to check it out, Thanks!

Build a smart DIY fume extractor with an Adafruit FunHouse and CircuitPython. Use a PWM fan and the EMC2101 controller to change the speed based on readings from an SPG30 air quality sensor.

Use CircuitPython libraries and ESP32-S2 to connect to WiFi and log sensor data to a feed and display it on a dashboard with Adafruit IO. Use the FunHouse’s built-in TFT to display bitmap graphics with fan speed and air quality. Use the built-in buttons to select options like choosing to log data. CircuitPython makes it easy to customize features, experiment with other hardware and quickly iterate.

The electronics are housed in a 3D printed enclosure that snap fits together. Use a carbon activated filter to adsorb smoke from solder fumes. The fan controller and air quality sensor are connect with STEMMA QT cables for a plug-and-play circuit. A mini fan mounted in front of the air quality sensor directs fumes for sampling and measuring. The ports on the FunHouse make it easy to power 5V peripheral.

All of the 3d printed parts snap fit and the electronics are secured with hardware screws.

Want to send your fumes to the cloud? Use Adafruit IO to log and display data on a custom dashboard!

Make it portable with a 5V USB battery bank.

STEMMA QT makes it easy to daisy chain the EMC2101 fan controller and SPG30 air quality sensor.

I really like these colors. Green, purple and grays make a beautiful color combo.

Project idea and code by Liz Clark. Enclosure design by Noe Ruiz.

Learn Guide
https://learn.adafruit.com/funhouse-fume-extractor/

Adafruit FunHouse
https://www.adafruit.com/product/4985

EMC2101 Fan Controller
https://www.adafruit.com/product/4808

SGP30 Gas Sensor
https://www.adafruit.com/product/3709

Mini 5V Pi Fan
https://www.adafruit.com/product/3368

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