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Smart Airpurifier

Dec 14th, 2019 | by: Noob 1476
Category: Electronics Basic Circuits
Views 735
I have developed a smart air purifier with my mechanical engineer roommate. We used a fan from my work and he designed a housing. I designed a PCB using the esp32 as well as an attiny, which acted as an AC motor speed control. The esp32 connects to my raspberry pi server using MQTT and Node-Red to give me a UI for viewer the data from a PM2.5 sensor on board as well as control the functionality (manual on/off, auto mode on/off, and speed). You can also control those functions with Alexa. The project is almost done but I thought I’d share. 

PHOTO GALLERY

These are just a few photos of prototypes and the final pcb. I also test functionality 

Electronics all mounted
Back of PCB
Initial prototype

3 Comments

  • ELECTRONOOBS

    about 4 years ago

    Super tutorial

    Noob 19129

    about 1 month ago

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    Noob 19129

    about 6 days ago

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