01. Scope & Purpose
This Privacy Policy outlines how the PrayogSetu Virtual Instrumentation Laboratory platform ("PrayogSetu", "we", "our", or "the platform") manages technical information and protects visitor privacy. PrayogSetu is an open academic and virtual engineering laboratory created for university students, educators, and technology researchers.
Our foundational design philosophy is privacy by architecture. Interactive experiments, calculations, circuit simulations, and user-adjusted control parameters are processed entirely within your local browser runtime.
02. Information We Do NOT Collect
To eliminate ambiguity, PrayogSetu does not operate backend user account databases or commercial data brokerage. Specifically, we do not:
- Require user account registration, passwords, or profile creation to use simulators.
- Collect names, personal residential addresses, phone numbers, or government identifiers.
- Collect credit cards, banking information, or process commercial payment transactions.
- Sell, rent, monetize, or broker user telemetry or behavioral data to third-party advertising networks.
- Track personal browsing histories across external websites.
03. Information Processed by the Platform
Depending on how you interact with PrayogSetu, the platform only processes the minimal technical data necessary to deliver interactive experiments and ensure web reliability:
| Category | Source | Storage / Handling |
|---|---|---|
| Theme Preference | User toggle button (Dark / Light) | Stored solely in browser localStorage |
| Simulation Parameters | Slider knobs, switches, inputs | Ephemeral in-memory browser JavaScript (never sent to server) |
| Search Queries | Search input bar (Ctrl+K) | Filtered client-side against in-memory simulation catalogue |
| Aggregated Analytics | Google Analytics (gtag.js) |
Aggregated, anonymized page views and browser technical metrics |
| Web Server Access Logs | Static CDN / Hosting provider | Standard HTTP server request logs (IP, User-Agent, Timestamp) for security |
04. Local Storage (localStorage) Usage
PrayogSetu utilizes modern browser localStorage purely for functional interface preferences. We store:
prayogsetu-theme: Set to"dark"or"light"to prevent visual screen flash (FOUT) upon subsequent page navigation.ps-theme: Synchronized theme key ensuring seamless visual consistency across multi-window simulator sessions.
No personally identifiable information, session tokens, or sensitive values are ever written to localStorage.
05. Client-Side Simulations & Calculations
Every laboratory module—including Digital Electronics logic gates, PID Controllers, Robotics kinematic solvers, Process Instrumentation telemetry, and Physics solvers—executes mathematical formulas directly on your device utilizing standard WebGL, HTML5 Canvas, SVG, and native JavaScript.
Zero Telemetry on Experiment Inputs: Your experimental trials, slider values, truth table evaluations, and graph plots are never uploaded to a cloud server or monitored by third parties.
06. Third-Party Services & CDNs
PrayogSetu relies on reputable third-party infrastructure providers to deliver high-performance static web assets:
- Google Fonts: Typography (Inter and JetBrains Mono) is delivered via Google's font content delivery network. When requesting font stylesheets, your browser transmits your IP address and requested font file to Google under their privacy guidelines.
- Google Tag Manager / Analytics: Certain educational modules include Google Analytics (Measurement ID
G-Y0QX2M2CY7) to analyze aggregate platform usage, popular experiments, and browser compatibility. These metrics are anonymous and aggregated. - Cloud Hosting & Delivery: Our website is hosted on high-availability static web hosting platforms (such as Netlify). Server infrastructure logs standard diagnostic connection data (IP address, date/time, requested resource) to defend against DDoS attacks and maintain system stability.
07. Cookies & Tracking Technologies
PrayogSetu itself does not set or require first-party profiling cookies. Third-party integrations, such as Google Analytics, may set standard analytical cookies (e.g., _ga) in your browser to differentiate unique visitor sessions across page visits. You may block or disable analytics cookies via your browser's privacy settings without affecting your ability to use any of our laboratory simulations.
08. Student & Children's Privacy
PrayogSetu is built for educational institutions and learners of all academic backgrounds. Because the platform does not require registration, personal details, or communication channels, it does not knowingly collect personal information from children or students under the age of 18.
09. Data Security
All platform resources, assets, and code are distributed strictly over modern TLS/HTTPS encrypted connections, preventing eavesdropping or injection of unauthorized scripts. Because user simulation inputs are maintained solely in local browser memory, there is no centralized database susceptible to data breaches.
10. User Control & Privacy Rights
You maintain complete control over data stored on your device:
- Clearing Theme Preferences: You can clear your browser's local storage and cookies at any time via your browser settings.
- Browser Do Not Track: You may enable "Do Not Track" or utilize privacy extensions (such as uBlock Origin or Privacy Badger) without losing access to interactive laboratory features.
11. Changes to this Privacy Policy
We may update this Privacy Policy from time to time to reflect architectural updates or institutional recommendations. Any modifications will be posted directly to this page with an updated revision date. Continued usage of PrayogSetu signifies understanding of the active policy.
12. Contact Information
If you have questions, feedback, or institutional inquiries regarding this Privacy Policy or our educational data practices, please reach out through our institutional project portal:
Project Support & Legal Inquiries: [CONTACT EMAIL]
PrayogSetu Virtual Instrumentation Laboratory · Department of Instrumentation and Control Engineering