https://docs.kicad.org/9.0/en/eeschema/eeschema.html#hierarchical-schematics

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kicad schematic-as-code typescript typecad

This project was created on 03/17/2025 and last updated 10 hours ago.
Description
TypeScript + KiCAD = typeCAD

- Write TypeScript code and build it into a KiCAD project
- Use all the normal software tools, but now for hardware
- Package your code into small packages
- Quickly combine known-working packages into larger projects

Instead of using the KiCAD schematic editor, you write code and build it into a KiCAD schematic.

typeCAD uses TypeScript. You don’t need extensive knowledge of TypeScript to get started.
If you’re familiar with any programming language, you can pick up the basics of TypeScript pretty quickly.
KiCAD

The normal flow in KiCAD is:
1. Create a project and schematic
2. Add components
3. Make connections
4. Lay out the board
typeCAD

typeCAD replaces steps 1-3. Instead of clicking and dragging to place components and make connections, TypeScript code is used.
This is how a schematic is created.

import { Schematic } from ‘@typecad/typecad’;

let typecad = new Schematic(‘typecad’);
typecad.create();

That code will create a KiCAD netlist named `typecad.net`, which you can then import into a KiCAD PCB file. No schematic file is created because it’s not needed.

KiCad 7 ESP32 PCB Design Full Tutorial
If you want to have a go and design your own PCB, then KiCad is just the right tool to get you started.
In this tutorial you can see how schematic and layout is done and by the end Gerber data is ready to be sent of to the PCB manufacturer.
The designed device is a simple basic iot device based on an ESP32, some of the key specifications are:
- ESP32 WROOM module 16 MB
- USB-C interface for power supply and ESP32 programming, max 5V, 3A
- Si7021 Silabs temperature and humidity sensor
- QWIIC interface for I2C board extensions / modules
- Programmable RGB LED and button
- Relay, power
- 4 channels for LED strips, level converted through busdriver, power is fused and is available on screwterminals
- 6 extra I/O available on pinheader
- 80x80mm board size
Please ask or give inputs to next revision of the board, later i will make tutorial about how to build and program the board. Next the project will be included into some of the popular homeautomation projects.