Wifi to ethernet proxy using an ESP32 with ethernet. Primarily used to access service interface on SunPower PVS5 & PVS6 residential solar monitor to integrate with Home Assistant. Inspired by Raspberry Pi proxy linked below.
Home Assistant
HASS Sunpower
Raspberry Pi ethernet proxy {PDF}
Built and tested with HUZZAH32 ESP32 Feather Board & Ethernet Feather Wing.
Adafruit HUZZAH32-ESP32 Feather Board
Adafruit Ethernet FeatherWing
Approximate hardware cost (2022-10-01): $40 USD + tax and shipping.
Add wireless SSID & password to secrets.h. Deploy to esp32 and watch logs.