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archetype = "home"
description = "Lydia - Mixer Documentation"
title = "Lydia - Mixer Documentation"
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# Documentation

## Firmware

- [ESP32 / Arduino - GIT](https://git.osr-plastic.org/osr-plastic/osr-firmware/src/branch/mixer-l36/mixer-control)

## Modbus

- [TCP / RTU Interface](../modbus)
- [Example TCP - VFD](../modbus/control_vfd)
- [Example TCP - PIDs](../modbus/control_pid.md)
- [Modbus Registers using Modbus-Poll](./Modbus-Poll.PNG)

## CAD

- [Main Design Files](https://files.osr-plastic.org/files/osr-machines/extrusion/lydia-v3.5/cad/variants/)

## Error Codes

- [Error Codes - Firmware](../modbus/_error-codes)