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Getting started with Particle Web IDE

The Particle Web IDE (Build) is the fastest way to begin writing and flashing firmware to your Particle devices. All you need is a web browser and a Particle account.

1. Sign In​

Go to build.particle.io and log in with your Particle account.
If you don’t have an account yet, you can create one here.

Web-IDE login

2. Create a New Project​

  • Click the Create New App button in the left sidebar.
  • Enter a project name.
  • The editor will open with a blank .ino file where you can write your firmware.
Web-IDE

Here we have named our app HelloWorld.ino

Web-IDE Hello World

3. Select a Target Device​

  • Open the Devices tab in the sidebar (target icon).
  • Choose the Particle device you want to flash or add a new one.
  • If you have multiple devices in your account, a gold star will indicate the currently selected target device.
Web-IDE New device

Make sure that the device is online and ready to get an OTA.

Web-IDE device

4. Add Libraries (Optional)​

  • Open the Libraries tab in the sidebar (book icon).
  • Search for official or community libraries.
  • Click Include in Project to add a library to your firmware.

5. Compile and Flash​

  • To compile your project, click the checkmark icon.
  • To flash your firmware OTA, click the lightning bolt icon.
  • The build happens in the Particle Cloud, and the binary is automatically sent to your selected device.
Web-IDE flash

6. Monitor and Debug​

  • Use the Events tab to view published events from your device.
  • Use the Particle CLI or Workbench if you need serial monitoring or advanced debugging.

Next Steps​

This guide covers the basics of using the Web IDE. For a deeper walkthrough—including advanced features, device management, and library usage—see the Web IDE Guide.