Vittascience offers an online coding environment for learning with Arduino, micro:bit, STM32 and other hardware platforms.
Wokwi
Wokwi simulates embedded systems and IoT projects, including Arduino, ESP32, and STM32 boards.
About Wokwi
Wokwi is an online simulator for embedded systems and IoT projects. The homepage lists simulation support for Arduino Uno, Mega, and Nano, ESP32, STM32, and Raspberry Pi Pico boards. It also describes simulating displays, sensors, motors, and WiFi, and it includes MicroPython project examples.
Wokwi also lets users create and simulate digital circuits in the browser. Through a collaboration with Tiny Tapeout, the homepage says a design can be turned into a physical silicon chip. Wokwi Pro is described as adding advanced features, faster builds, and integrations with VS Code, JetBrains IDEs, and CI. A Classroom offering for universities and organizations is also listed. The source does not state pricing, so plan costs are unknown.
Key features
- Simulates Arduino Uno, Mega, and Nano, ESP32, STM32, and Raspberry Pi Pico boards
- Simulation of displays, sensors, motors, and WiFi for IoT projects
- Create and simulate digital circuits in the browser
- Collaboration with Tiny Tapeout to turn designs into silicon chips
- MicroPython project support
- Pro integrations for VS Code, JetBrains IDEs, and CI
Best for: Students, educators, and developers building embedded or IoT projects on supported boards who want to simulate them before using physical hardware.
Good for
- Covers several common microcontroller boards in one simulator
- Circuits can be designed and simulated in a web browser
- Offers a Classroom option for universities and organizations
Watch out for
- Some advanced features and faster builds are described as part of Wokwi Pro plans
Wokwi at a glance
- Website
- wokwi.com
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Wokwi alternatives
Tools and sites you could use instead, ranked by how closely they match.
LibrePCB supports drawing schematics and designing printed circuit boards through an EDA application, with release updates on its site.
KiCad is open-source software for drawing electronic schematics, designing printed circuit boards and viewing them in 3D.
The LAMMPS software simulates classical molecular dynamics, with a focus on materials modeling.
eCalc simulates electric drives for radio-controlled models and helps users select motors and components.
Cyberbotics develops Webots, a platform for simulating robots and testing their behavior.
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Wokwi FAQ
Which boards can be simulated?
The homepage lists Arduino Uno, Mega, and Nano, ESP32, STM32, and Raspberry Pi Pico.
Can a chip design be made into a physical chip?
The homepage says that through a collaboration with Tiny Tapeout, a design can be turned into a real silicon chip.
Does Wokwi support MicroPython?
The homepage includes a link for starting a project with MicroPython.
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