# Prerequisites

The Borneo IoT project using the following open-source tools and frameworks for development:

* Circuit schematics and PCBs are designed with [Horizon EDA](https://horizon-eda.org).
* Mechanical and structural design is designed using [FreeCAD](https://www.freecad.org).
* MCU firmware is developed in C using Espressif's [ESP-IDF](https://github.com/espressif/esp-idf) framework.
* The mobile app is developed using [Google's Flutter](https://flutter.dev/).
* Other utilities and scripts are written in Python.