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  • Home
  • Tutorials
    • Getting Started
    • Home Assistant Integration
    • Troubleshooting & Tips
  • Projects
    • Smart Home
    • Vehicle & Engine Simulators
    • Automation & Control
    • Data Logging & Cloud
    • Environment & Weather
  • Reviews
    • ESP32 Boards & Modules
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esp32.co.uk
  • Home Assistant Integration, Smart Home

Transform Your iPhone & Apple Watch into the Ultimate Home Assistant Control Panel: Fast UX Wins

If you’re reading esp32.co.uk, you probably already have Home Assistant packed with ESPHome sensors, smart relays, and automations that look like a small engineering project. But let’s be totally candid: a smart home is useless if it takes 15 seconds…

  • panakos
  • 20 February 2026
  • Automation & Control, Home Assistant Integration

Transform Your iPhone into the Ultimate Home Assistant Control Panel: Fast UX Wins

If you’re reading esp32.co.uk, you probably already have Home Assistant stuffed with ESPHome sensors, smart relays, and automations that look like a small PhD thesis. But none of that matters if turning a light on takes 10–15 seconds of app-fumbling.…

  • panakos
  • 20 February 2026
  • ESP32 Boards & Modules

Full Comparison of All ESP32-S3 Versions and Development Boards (2026 Guide)

ESP32-S3 is the “modern classic” ESP32 for USB, AI/DSP workloads, and display/camera projects. But “ESP32-S3” can mean a lot of different things: This guide maps the whole ecosystem and helps you pick the right S3 board in 60 seconds. Sources…

  • panakos
  • 20 February 2026
  • Smart Home

KNX Smart Home Guide 2026: ETS Costs, Home Assistant vs. ComfortClick

KNX is a standardized, wired building automation protocol. Unlike consumer smart home gadgets (which often rely on a central hub or WiFi), KNX is decentralized. Because it is an open standard used by over 500 manufacturers (like Siemens, ABB, MDT,…

  • panakos
  • 18 February 2026
  • Home Assistant Integration

SHT45 Temperature and Humidity Sensor with ESPHome and MQTT for Home Assistant

The Sensirion SHT45 is one of the most accurate, stable sensors you can use for temperature and humidity monitoring. It is a true upgrade over common “good enough” sensors, especially in spaces where small changes matter such as a humidor,…

  • panakos
  • 6 February 2026
  • Home Assistant Integration

SCD41 + ESP32 DevKitC v4 with ESPHome and MQTT (High-Precision CO₂ Monitor)

Building a reliable CO₂ monitor is one of the best “bang-for-buck” ESPHome projects. The Sensirion SCD41 is a true CO₂ sensor (photoacoustic sensing / PAS), not a “calculated eCO₂” VOC estimate, so it’s ideal for proper IAQ monitoring. Using MQTT…

  • panakos
  • 6 February 2026
  • Home Assistant Integration

BLE smart locks in Home Assistant (2026): how to make them actually reliable

We’ve monitored temperature and air quality. Now comes perimeter security. BLE smart locks are the “final boss” of Bluetooth in a smart home because they need a secure, encrypted, two-way connection. Sensors can drop a packet and you won’t care.…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

BLE Air Quality Add-Ons in Home Assistant (CO₂ + PM2.5) with an IAQ Dashboard

We’ve covered temperature sensors (e.g., Govee) and mechanical actuators (e.g., SwitchBot). Now comes the most valuable “health layer” in a smart home: Indoor Air Quality (IAQ). A lot of “smart air monitors” push data over Wi-Fi and vendor apps. A…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

SwitchBot BLE Ecosystem in Home Assistant (Bots, Curtains, Lock, Meters) — Local-First 2026 Setup

SwitchBot is the king of retrofitting: it can press dumb buttons, pull curtains, and lock doors without replacing hardware. In Home Assistant, the BLE approach is popular with power users because it can be local, fast, and hub-free—but it’s also…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

Govee BLE Sensors with Home Assistant (Robust Local Setup with ESP32 Proxies + Automations)

Govee BLE thermometers/hygrometers are cheap and surprisingly useful in Home Assistant—if the Bluetooth side is engineered properly. The integration itself is mostly UI-based today, but to make it robust (no dropouts, good range, usable automations) there are two places where…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

Car Arrival Detection via BLE in Home Assistant

“Car arrival detection” is one of the most useful automations you can build because it’s faster and more reliable than GPS when done properly. The idea is simple: This article shows a reliable setup using BLE + smart timeouts so…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

Home Assistant BLE Presence Detection (Home/Away, No GPS Required)

This is the “works in real life” pattern: You end up with one “source of truth” entity you can use everywhere:binary_sensor.presence_home_final 1) Inputs you need A) BLE present (fast) This should be ON if any ESP32 Bluetooth Proxy sees your…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

BLE Buttons & Remote Controls for Home Assistant Scenes (Cheap, Fast, and Local)

Physical buttons are the missing piece in many smart homes. Phone apps are fine, but a real smart house needs instant tactile control: BLE buttons and fobs are a great way to do this because they’re: This guide shows how…

  • panakos
  • 1 February 2026
  • Home Assistant Integration

BLE Sensors in Home Assistant: Xiaomi vs Govee (Setup, Reliability, Dashboards, and Fixing Dropouts)

BLE temperature/humidity sensors are one of the cheapest “high impact” upgrades you can add to Home Assistant. You can scatter them everywhere: But people run into the same problem: “It works for a day, then stops updating.” This article shows…

  • panakos
  • 19 January 2026
  • Home Assistant Integration

Bluetooth Proxy Network Design Guide for Home Assistant (ESP32 Placement, Stability, and “Why BLE Is Flaky”)

Bluetooth in Home Assistant can feel magical one day and useless the next—until the proxy network is designed properly. Most “BLE problems” are not software problems. They are RF placement problems: walls, metal, reflections, interference, and bad proxy density. This…

  • panakos
  • 19 January 2026
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