espresso

Bluetooth Scale Gateway using the ArduinoBLE library for devices such as the esp32 and other Bluetooth-enabled Arduino compatible hardware.

This project covers somewhat advances features for an espresso machine controller.

Arduino based PID controller on a Gaggia Classic espresso machine

Main ESPResSo++ repository

An open source PID for espresso machines

☕️ Sophisticated Coffee Grinder Timer Firmware

Experimental Espresso Machine Control System

This project replaces the Gicar control board from a Quickmill Andreja Premium with an Arduino Uno

A smart, automated espresso scale with a web interface — no custom PCBs required.

Programming ESP266 Node MCU with Arduino IDE

Fully-packaged espresso PID module

Retrofit temperature display for LaMarzocco Linea Mini espresso machine

A scale. For espresso.

Arduino Display for meCoffee PID (BLE version).

Custom PID temperature control mod for Gaggia Classic Pro espresso machine with display

A simple C++ library that handles everything to do with CLI arguments.

Advanced PID Controller for Gaggia Classic using ESP32-C6. Features comprehensive Web UI, MQTT, Home Assistant integration, and Grafana dashboards.

An arduino based shot timer for the Lelit Mara X prosumer espresso machine.

Shot timer & live status for Lelit Mara X: OLED display, pump reed sensor, serial temps, web UI, MQTT/Home Assistant, OTA. ESP32 & ESP8266 firmware.

Arduino-based auto-refill controller for espresso machine water reservoirs. Opens a solenoid valve when water drops below a low-level sensor and closes it at the high-level sensor. Includes debouncing, fill-timeout fault protection, and fail-safe startup.