Wokwi is a free online Arduino simulator.

• https://wokwi.com/
• https://wokwi.com/projects/new/arduino-uno

Getting Started with the Wokwi Custom Chips C API

• https://docs.wokwi.com/chips-api
• https://docs.wokwi.com/chips-api/getting-started
• https://www.youtube.com/@Wokwi/videos

Analog API

• https://docs.wokwi.com/chips-api/analog
• https://github.com/eelab-dev/EEcircuit
• https://github.com/wokwi/ngspice-wasm