Levoit Air Purifier Integration for ESPHome

Supported:

• Levoit Core 200s (Untested)
• Core 300s (Tested)
• Core 400s (Need Confirmation)

Disassembly

For details on the teardown please read the blog post

• Place upside down and remove base cover and filter to expose 8 screws (4 have washers)
• Remove all 8 screws be careful, as these are made out of a soft metal
• Using a pry tool slide in between tabs
• Separate base and top sleeve
• Unplug logic board

Flash

• Copy the provided sample configuration for your model to a new ESPHome configuration, while keeping the generated passwords
• Compile and download the binary (Choose the modern format once compilation has completed)
• Solder wires to pins TXD0, RXD0, +3V3, and GND near the ESP32 on the logic board, and connect these to a USB-UART converter

Backup Existing Firmware

esptool.py read_flash 0 ALL levoit.bin

Erase Flash

esptool.py erase_flash

Install New Firmware

esptool.py write_flash 0x00 esphome-firmware.bin

& reassemble, enjoy :)

Contributing

All contributions are welcome! Please open an issue or a PR.

Contributors:

Aiden (@acvigue) - Original code & Core300s support Ryan Lang (@ryan-lang) - Core200s support Haydon (@haydonryan) - Documentation & testing