ESP8266-Cherry-MX-Board

This is a board with switches and a display designed to interface Home Assistant . through ESPHome . It was designed in KiCad version 5.1.5 on macOS 10.15 Catalina and the full project is available on the GitHub repository.

• GitHub repository
• Interactive BOM, created using InteractiveHtmlBom

Requirements

• ESPHome compatible
• 4x Cherry MX keys
• 1x Rotary encoder with switch
• OLED display
• Low input voltage power power converter (TPS61200)
• Serial header with boot button for initial programming, over-the-air (OTA) after
• I2C header with any remaining pins for connection of additional sensors [optional]
• USB-C connector for 5 V power [optional]

Main components used

• ESP-12F module with ESP8266 chip
• TPS61200 , low input voltage boost converter

ESPHome firmware

TODO