ESP32 Bridge to Control DeLonghi Coffee Machines.
Initially developed for a DeLonghi Dinamica plus.
Requires Arduino IDE with ESP32 board supported, added via preferences as an additional board URL: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
Uses these libraries:
Having BLE and MQTT inside the app makes it quite large, try one of the no-OTA flash schemes (such as a 2MB APP one).