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  • COMMAIK
    • Contact Form
    • Imprint
    • Privacy Policy
  • The Villa
    • The top floor
    • The upper floor
    • The first floor
    • The cellar
    • The garden
  • Stories from the construction
    • irrigation
    • Photovoltaics
    • Pool and terrace
    • SmartHome
    • The planning
    • The demolition
    • The installation
    • Machinery
    • Restoration and working techniques
    • This and that
  • Videos
    • Build & Renovate
    • Irrigation
    • Carport
    • Gabions
    • Garden
    • Garden kitchen
    • Pool
    • Smart Home
    • Drying
    • Tutorials
  • TESTED & RATED
    • Heating solutions & energy
    • Outdoor & Garten
    • Pool & garden kitchen
    • Security & Smart Home
    • Tools & DIY
  • Commaik Music
  • Privacy Policy
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  • Robot lawn mower without boundary wire in test: LiDAR vs RTK in comparison (ANTHBOT M5 vs M9)

    Two Anthbot robotic lawnmowers stand side by side on green grass, the sunlight illuminating their wheels and sensors in a backyard or garden. www.commaik.de

    Robot mowers without boundary wires are currently one of the most exciting developments in the gardening sector. In my test, I directly compared two different concepts: the ANTHBOT M5 as a LiDAR robotic lawnmower and the ANTHBOT M9 as an RTK robotic lawnmower with GPS navigation. Both models manage completely without a perimeter wire and show in the practical test how well cordless robotic lawn mowers really work today. In this comparison, I share my experiences from my own garden, discuss navigation, obstacle detection, edge cutting and set-up and clarify which robotic lawnmower without a wire is the best choice for which area of application.

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    A rectangular outdoor swimming pool with clear blue water is surrounded by gray tiled paving and pool edge stones. There is a small palm tree, green grass, and hedges in the background. Some tiling work appears unfinished on one side. www.commaik.de

    Laying pool edging stones and building your own pool terrace for the perfect pool surround

    8. December 2024
    A smart irrigation controller displaying “Hydrawise” is shown with an arrow pointing to a sprinkler watering a lush green lawn in the backyard. www.commaik.de

    Installing and programming the Hunter Hydrawise irrigation computer – step by step

    24. August 2025
    An empty, bright blue swimming pool with a smooth pool liner, gray steps in one corner, and a circular drain on the wall. The outdoor pool is surrounded by unfinished ground and scattered greenery. www.commaik.de

    Laying, gluing and welding pool liners correctly

    10. February 2024
  • The best Reolink 4k PTZ surveillance cameras in comparison: 823S2 vs 823S1 vs TrackMix vs TrackFlex in test

    A 4K PTZ Reolink security camera monitors a man walking towards a large house at dusk. A digital overlay highlights the camera's facial recognition and zooms in on the man's face with a blue square frame. www.commaik.de

    For me, Reolink is one of the most exciting manufacturers of modern 4K PTZ surveillance cameras for indoor and outdoor use. In this Reolink surveillance camera comparison, I analyze several high-performance models – from classic PTZ cameras with optical zoom to dual-lens and floodlight variants for outdoor use. The focus is on image quality, motion detection, night vision, PoE vs. WLAN, local storage without a subscription and the question of which camera is really suitable for large properties, driveways or security-relevant areas. I will show you my practical experience with the RLC-823S2, RLC-823S1, TrackMix and TrackFlex and categorize the models technically and strategically. The aim of this article is to…

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    Two cats stand near a MOVA Z60 Ultra roller robot vacuum, its charging station, and the MOVA Z60 product box, all placed on a wooden floor. www.commaik.de

    MOVA Z60 Ultra Roller Complete test: Fully automatic cleaning with AI and hot water

    15. October 2025
    A robot mower glides across a well-manicured grassy lawn bordered by white gravel, with a patio area and outdoor chairs visible in the background. www.commaik.de

    Robot lawn mower without boundary wire in test: The best models in comparison

    26. February 2025
    An Anthbot Genie robot mower with a white and gray body rides on a green lawn near a stone house and a rock wall in a landscaped yard, showcasing its versatile purpose. www.commaik.de

    Anthbot Genie robotic lawnmower in test: Perfect lawn mowing without cables?

    25. April 2025
  • Expand Reolink NVR storage space – Installing and configuring hard disks correctly

    A black Reolink NVR device is shown against a gray background. A large text in German reads "Hard disk retrofitting". The Reolink logo appears in the bottom left corner. www.commaik.de

    In this article, I will give a structured overview of the Reolink NVR models – maximum hard disk size and storage capacity and show what really matters when choosing the right HDD. A Reolink NVR is the central element of a camera surveillance system – and the storage strategy determines how long recordings remain available and how stable the system runs. I go into detail about the differences between RLN36, RLN16-410, RLN8-410 and RLN12W, explain the maximum hard disk size per model, show the correct choice of surveillance HDD and document the complete installation including formatting and storage management. I also explain how an NVR works with multiple HDDs and…

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    A patch of grass with a hole dug in the soil, exposing underground cables for a robot lawn mower. Nearby are an orange cable locator tool, wires, a white hose, and two blue wire connectors. www.commaik.de

    Robot lawn mower – Find and repair a broken control cable easily

    19. January 2024
    Two cats stand near a MOVA Z60 Ultra roller robot vacuum, its charging station, and the MOVA Z60 product box, all placed on a wooden floor. www.commaik.de

    MOVA Z60 Ultra Roller Complete test: Fully automatic cleaning with AI and hot water

    15. October 2025
    Screenshot of a solar panel monitoring app displaying the Statistik section. The background highlights blue solar panels, with the main heading reading Balcony Power System and a note showing it was last updated 5 minutes ago. www.commaik.de

    Balcony power station – Set up the Solarman app optimally

    29. October 2023
  • Install surveillance cameras yourself – IP camera network explained simply

    Two surveillance cameras are shown on the left and a network diagram for installing an IP camera is shown on the right. Below is written: Install Reolink surveillance cameras yourself. www.commaik.de

    IP cameras are now an integral part of modern video surveillance in the home network. In this article, I will show you how to set up an IP camera system yourself, what role the router, switch, PoE, WLAN and NVR play and how different camera types can be combined in a shared network. I explain the technical basics, address typical practical questions and use real examples to show how a stable, secure and scalable IP surveillance solution can be implemented step by step – from planning and installation to storing the video recordings.   At a glance – what you can expect in this blog post The basics of IP…

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    Modern garden kitchen with a built-in grill, stovetop, drawers, and cabinets against a textured gray concrete look wall. Dark countertops and light concrete floors complete the style. A lantern and small appliances sit on the counter. www.commaik.de

    Designing a garden kitchen with a concrete look: Instructions for robust walls in the outdoor kitchen

    25. October 2024
    A Hunter sprinkler sprays water across a sunlit green lawn, providing efficient lawn irrigation with trees and a building in the background on a bright, clear day. www.commaik.de

    6 Hunter pop-up sprinklers for optimum lawn irrigation in the test

    21. May 2025
    A red and black portable parking heater is displayed on a table with its components, including hoses, wires, a remote, clamps, a silver exhaust pipe, a vent, and a small black bottle in a wooden workshop setting. www.commaik.de

    Diesel parking heater for animal house, workshop and camper: My test of the Vevor 8kW heater

    3. January 2025
  • Automatic litter box test: Self-cleaning litter box without odor – Mova LR10

    A modern, automated litter box with a circular opening sits on a wooden floor next to a wooden pillar and light gray wall. The litter box is empty and clean. www.commaik.de

    Self-cleaning litter boxes promise less effort, better hygiene and much more pleasant use in everyday life. Many cat owners are increasingly focusing on automatic solutions, especially if they have several cats or little time. With the MOVA MeowgicPod LR10 Prime, I tested a new litter tray in everyday use for several weeks – including set-up, app setup, cleaning cycles and use by two cats. This article is about my experience with a self-cleaning litter box that does many things differently to conventional litter boxes.

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    Screenshot of a solar panel monitoring app displaying the Statistik section. The background highlights blue solar panels, with the main heading reading Balcony Power System and a note showing it was last updated 5 minutes ago. www.commaik.de

    Balcony power station – Set up the Solarman app optimally

    29. October 2023
    A man stands in front of a backyard with a pool, thinking. Two Reolink Duo 3 security cameras—PoE and WiFi—are displayed, showcasing the latest in Reolink surveillance. The Reolink logo appears at the top right. www.commaik.de

    Reolink Duo 3 WiFi & PoE review: Smart UHD surveillance camera with 180° field of view

    29. January 2025
    A worn, empty concrete pit with rusty beams, exposed pipes, and draining buckets—one orange and one green—sits against stained, aged walls in a dimly lit basement-like area. www.commaik.de

    Draining and waterproofing basements: Effective measures against moisture and flooding

    24. November 2024
  • Lymow One in test: Robot mower without boundary wire with RTK navigation and chain drive

    A Lymow One robotic lawnmower with tank-like tracks sits on a well-manicured lawn, surrounded by green grass and some fuzzy bushes in the background. www.commaik.de

    The Lymow One robotic lawnmower is one of the most exciting developments in the field of robotic lawnmowers without a boundary wire. My test shows how far modern RTK navigation, VSLAM, a robust chain drive and a wide mowing deck can simplify work on large lawns. The focus is on performance, precision and off-road capability – characteristics that I was able to test extensively on my own property and another larger test area. The report summarizes all the important aspects: from design and scope of delivery, set-up, mapping and app control to mowing performance, cutting pattern, obstacle detection and practice on uneven terrain. In addition to the test, I provide…

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    A man points at a metal heating box containing machinery and a yellow fluid tank; a large white arrow indicates transferring liquid from a red fuel container into the parking heater. www.commaik.de

    Upgrading the diesel parking heater: Installing a tank extension for the mobile heating box

    19. January 2025
    A modern backyard with a rectangular pool, surrounded by gray tiles. There’s a covered terrace with bar stools, a small palm tree, and a blue shed in the background. www.commaik.de

    Build your own pool terrace with stone slabs on a slope

    8. June 2025
    A worn, empty concrete pit with rusty beams, exposed pipes, and draining buckets—one orange and one green—sits against stained, aged walls in a dimly lit basement-like area. www.commaik.de

    Draining and waterproofing basements: Effective measures against moisture and flooding

    24. November 2024
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Autor & Blogger

In this construction diary, we share our experience in the renovation and modernization of our Art Nouveau villa and hope to give a few suggestions and tips to some of you.

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