Privacy Policy
Last Updated: April 16, 2026
BI4WMS Tech (referred to as “we,” “us,” or “our”) respects your privacy. This Privacy Policy applies to the website https://bi4wms.github.io and all its subpages (collectively, the “Website”). This is a static GitHub Pages site that provides technical blog posts, guides, and projects focused on ESP32, PCB Design, Sensors, and hardware development.
If you do not agree with this Privacy Policy, please stop using the Website immediately.
1. Information We Collect
We collect only the minimum information necessary, primarily:
- Automatically Collected Information: When you visit the Website, your browser automatically sends:
- IP address (partially masked)
- Date and time of visit
- Browser type and version
- Operating system
- Pages visited (URLs)
- Referring page (if any)
Cookies and Similar Technologies: We use cookies to improve user experience and deliver personalized advertising (see Section 4).
- We Do Not Actively Collect: Names, email addresses, phone numbers, payment information, or any other personally identifiable information — unless you voluntarily contact us via the Contact page.
2. How We Use the Information
We use the collected information only for the following purposes:
- To analyze website traffic and user behavior to improve content quality (e.g., optimizing ESP32 guides, KiCad tutorials, etc.)
- To maintain website security and prevent malicious access
- To provide necessary data to advertising services such as Google AdSense for displaying relevant ads
- To respond to your inquiries submitted through the Contact page
3. Information Sharing and Third Parties
We do not sell, rent, or otherwise provide your personal information to third parties. However, we may share data with the following necessary third parties:
- Google AdSense: This website participates in the Google AdSense program to display ads related to our technical content (e.g., hardware development, sensors, PCB tools). Google uses cookies to collect and process your browsing data to serve personalized advertisements.
- See Google’s Privacy Policy: https://policies.google.com/privacy
- Google AdSense Privacy Policy: https://policies.google.com/technologies/ads
- GitHub Pages: The website is hosted on GitHub Pages. GitHub records basic server logs (see GitHub’s Privacy Policy).
We will not share your information with any other third parties except as required by law or with your explicit consent.
4. Cookies Usage
The Website uses the following types of cookies:
| Type | Purpose | Source | How to Manage |
|---|---|---|---|
| Essential Cookies | Enable basic site functionality | This Website | Cannot be disabled |
| Advertising Cookies | Personalized ad display (AdSense) | Manage via Google settings | |
| Analytics Cookies | Anonymous traffic statistics (optional) | Google Analytics (if enabled) | Disable via browser settings |
You can delete or disable cookies at any time through your browser settings. However, disabling them may affect some features (e.g., personalized advertising).
5. Your Rights
Depending on applicable laws, you have the following rights:
- Access, Correction, Deletion: You may contact us via the Contact page to request access to, correction of, or deletion of your information.
- Withdraw Consent: You may withdraw consent for cookies at any time.
- Opt Out of Personalized Ads: Click “Ad Settings” in any Google AdSense ad or visit https://adssettings.google.com.
We will respond to your requests within a reasonable time (usually no more than 30 days).
6. Data Security and Storage
- This is a static website with no user database.
- All data is processed temporarily in the browser or stored by third-party services (such as Google).
- We use reasonable technical measures to protect data, but we cannot guarantee 100% security.
7. Children’s Privacy
The Website is intended for adult technology enthusiasts and developers and is not directed at children under 13. We do not knowingly collect personal information from children.
8. Policy Updates
We may update this Privacy Policy from time to time. The latest version will be posted on this page with an updated “Last Updated” date. Continued use of the Website after changes constitutes your acceptance of the updated policy.
9. Contact Us
If you have any questions about this Privacy Policy, please contact us:
- Email: bi4wms@gmail.com
- X (Twitter): @WmsBi469558
BI4WMS Labs
Technical Blog
Thank you for trusting us with your privacy!