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 t... view more

• AC motor
• easyeda
• MQTT
• IoT
• air purifier
• DIY
• PCB
• ESP32