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Article series

Articles that build on each other, in reading order.

Home Assistant without the cloud

6 published

  1. Zigbee2MQTT vs. ZHA: Building a Highly Reliable Mesh Network in Home Assistant
  2. ESPHome and ESP32 in Practice: Building Cloud-Free Environmental Sensors
  3. Presence Detection 2.0: mmWave Radars (LD2410/LD2450) in Lighting Automation
  4. Local Voice Control in Home Assistant with Whisper & Piper
  5. WireGuard & Tailscale DMZ: Secure External Access to Home Assistant and Self-Hosted Servers
  6. Local Energy Management: Integrating PV Inverters and Battery Storage via Modbus TCP

TCF Explained: What It Is, Why It Matters and Which CMPs Are Certified

Whenever someone visits a website and clicks “Accept All” or “Reject All” on a cookie banner, a massive chain reaction happens behind the scenes. The website now knows the visitor’s choice, but how do the dozens of advertising networks and analytics tools (like Google, Facebook, or external ad servers) know what was decided? The answer […]

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GA4 & Server-Side GTM: The “Migrate from JavaScript Managed Client ID” Feature Explained

Moving Google Analytics 4 (GA4) tracking to Server-Side Google Tag Manager (ssGTM) unlocks a new level of data control, privacy, and cookie durability. One of the most powerful—yet misunderstood—features in the GA4 Client configuration is the “Migrate from JavaScript Managed Client ID” setting. To understand why this checkbox is critical, we first need to understand […]

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Tutorial: Configuring Geolocation Rules in Usercentrics

Adapting consent banners to regional privacy laws is a fundamental requirement for global websites. While the European Union enforces strict opt-in rules under the GDPR, other regions often permit opt-out models or informational notices, which significantly reduces friction for users. This guide explains how to properly configure Geolocation Rules using different Settings IDs in Usercentrics. […]

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About my Blog (LukasWojcik.com): Technology, Analytics, and Digital Security

This platform is dedicated to exploring the complex intersection of modern technology, Data Analytics, and Digital Privacy. In an era where data structures drive critical decisions, understanding the technical nuances of web analytics, tracking methodologies, and strict compliance frameworks—such as GDPR and Consent Mode v2—is absolutely essential. The articles published here provide in-depth, technical analyses of data collection mechanisms, privacy-first architectures, and industry best practices for maintaining absolute data security in a digital-first environment.

Beyond the digital landscape, the content deeply delves into the physical realm of home automation and physical security. Comprehensive guides and technical reviews cover the latest advancements in Smart Home ecosystems, intelligent climate control, automation protocols, and advanced CCTV surveillance systems. From configuring local network security and firewalls to integrating IP cameras and IoT (Internet of Things) devices seamlessly, the primary focus remains on engineering efficient, highly secure, and future-proof technological environments.

Whether the objective is researching the technical implications of the latest ePrivacy regulations, architecting local automation routines, or optimizing robust data analytics frameworks, this website serves as a comprehensive, well-researched resource for technology professionals, developers, and security enthusiasts.