Privacy Policy
Last updated: June 2026
ESP32 Engine (https://esp32engine.com) is an educational website operated by ESP32 Engine. We do not require account registration and we do not sell personal information.
Information we collect
- Hosting logs: Our hosting provider may record standard server logs such as browser type, pages viewed, referring URL, IP address, and approximate region for security and performance.
- Analytics: Google Analytics 4 (measurement ID G-WLHZKSEFP3) collects usage data such as pages visited, session duration, device type, and general location to help us understand site usage and performance.
- Advertising: If Google AdSense or similar ad services are enabled, they may use cookies or similar technologies to serve and measure ads. See How Google uses data in advertising.
- Contact messages: If you contact us via GitHub Issues, GitHub processes that information under its own privacy policy.
Cookies and similar technologies
We use essential cookies to remember your cookie consent choice. On production pages, Google Analytics and advertising scripts may load to measure site usage and support ads. You can control cookies through your browser settings, Google Ads Settings, and any Google privacy controls shown for your region. Cookie choices do not block access to tutorials.
Cookie information
The site may store a small consent value in your browser so the banner remembers your preference. Google Analytics is used for analytics measurement and site improvement. Ad personalization and regional consent controls may also be managed through Google's advertising and privacy tools.
Third-party services
- Google Analytics — Google Privacy Policy
- Google AdSense (if enabled) — Google Ads technologies
- GitHub — GitHub Privacy Statement
Your choices
- Opt out of Google personalized ads: Google Ads Settings
- Industry opt-out (US): NAI Opt-Out
- Clear site data: remove cookies for esp32engine.com in your browser
Data retention
Server logs are retained by our hosting provider for a limited period. Analytics data is retained according to Google Analytics settings. We do not maintain user accounts on this site.
Children's privacy
This site is intended for general audiences interested in electronics education. We do not knowingly collect personal information from children under 13.
International visitors
Visitors from the EU, UK, and other regions may have rights to access, correct, or delete personal data processed by third-party services we use. Contact us to exercise applicable rights where we can assist.
Changes
We may update this policy when we add analytics, advertising, or new features. The "Last updated" date will change accordingly.
Questions? Visit our Contact page. Editorial and testing standards are described in our Editorial Policy and Testing Methodology.