This project is a precision liquid dosing controller built around an ESP32 and multiple stepper-driven peristaltic pumps. The goal was to make something more capable than a basic timer doser: a system that can deliver repeatable volumes, keep track of what it has done, and be easy to control from a normal phone or computer.

The controller handles both manual dosing and scheduled dosing, with pump calibration built into the workflow so volume estimates are based on measured pump behavior instead of rough assumptions. It also keeps runtime and dosing history, which makes it easier to verify performance and spot problems over time.

The device hosts its own web interface, so setup and control happen directly on the controller without needing a separate server or cloud service. Under the hood, the firmware exposes HTTP and WebSocket interfaces for settings, live status, runtime updates, and historical data. The system also supports OTA firmware updates, Wi-Fi onboarding, MQTT with Hom