Schematik (https://www.schematik.io/) generates code, wiring diagrams, and assembly instructions for electronic projects from a natural language description.

For Arduino, ESP32 and Raspberry Pi Pico boards.

A library of initial projects is offered (connected home, vehicles, robotics, games, wearables).

The generated code can be sent directly to the card from the browser.
The entire project is exportable.
A simulator is planned.

Sharing by url, exporting the code.

Models used not mentioned.

Free and seems unlimited.

Soil moisture sensor: https://www.schematik.io/projects/dry-soil-led-indicator-cwcy

Handheld game console for retro-gaming games: https://www.schematik.io/projects/portable-retro-game-console-hywa

Weather station: https://www.schematik.io/projects/temperature-humidity-station-qxcx