Privacy Policy

1. Data We Collect

We follow data minimisation principles (collecting only what is strictly necessary for the application to function):

• Google Account Data: Your full name, email address, and unique Google account ID (Google sub ID) sent when you choose to sign in with Google.
• Circuit & Workspace Data: Electronic circuit schematics, project names, and canvas settings you save in your workspace.
• Technical & Security Data: Connection IP addresses processed temporarily for DoS defense and rate limiting.
• What We Do NOT Collect: We never access your contacts, Google Drive files, GPS location, or device microphone/camera.

2. How We Use Data

Your information is only used for the following purposes:

• To authenticate and identify you so your circuit workspace can be reloaded when you sign in.
• To save schematic circuits and share links you intentionally create.
• To safeguard system security and prevent server resource abuse.

3. Data Storage & Security

All account and circuit data is stored in our self-hosted PostgreSQL database on a private virtual server (VPS) with encrypted connections. We do NOT sell, rent, or share your personal data with any third parties or advertising networks. We use no third-party tracking cookies or invasive analytics tools.

4. Student & Learner Users

Circuit Simulator is designed to be friendly for school and university students. We do not profile minors for advertising and facilitate no financial transactions within the platform.