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Find answers to the most commonly asked questions about Wokwi.

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General Questions

When choosing the name for Wokwi, we were looking for a short word that would be easy to pronounce and didn’t have any meaning yet. We came up with a list of possible names, and picked the one we liked the most, Wokwi.Some of the names that didn’t make it: Duvav, Hajuu, Chipine, Zeprr.
Wokwi compiles your code into a binary firmware, and then executes the binary firmware one instruction at a time, as a real microcontroller would.If you want to learn about the internals, check out these resources:

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Using Wokwi

If you haven’t signed in to Wokwi:Use the same device and browser that saved the project and visit https://wokwi.com/dashboard/projects.If you signed in to Wokwi before saving projects:Visit https://wokwi.com/dashboard/projects to see all projects that you have saved on any device/browser. You can also navigate to your saved projects by clicking on your profile picture and selecting “My Projects” from the menu.
Sign in to Wokwi to access your projects from any device or browser!
There are many factors that can affect the simulation speed. Here are some tips that can help you get better performance:
  • Chrome is usually faster than Firefox - Try using Chrome or a Chromium-based browser for better performance.
  • Add delays in your code - For ESP32 / Pi Pico code, adding a delay(10); call at the beginning of loop() can help, as the simulator will have less work to do while the microcontroller is sleeping.
void loop() {
  delay(10);  // Give the simulator a break
  // Your code here
}
Wokwi offers an offline mode through the Wokwi for VS Code extension.To set it up and learn more, visit the official guide: Wokwi Offline Mode Documentation.
Offline mode requires the VS Code extension and is available for paid subscribers.

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Subscription & Billing

Wokwi is free for personal use.For commercial users and professionals, we offer paid plans with additional features. Check out our pricing page for details.
You can manage your subscription, including updating or canceling it, by visiting the Subscriptions page.
  1. Go to https://wokwi.com/dashboard/subscriptions
  2. Click on “Change” next to the payment method
  3. Enter your new payment details

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