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  • COMMAIK
    • Contact Form
    • Imprint
    • Privacy
  • 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
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  • Balcony power station – Set up the Solarman app optimally

    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

    With a balcony power plant it is possible to cover the basic consumption of electricity in the household. But how do you monitor power generation? How do I know if the system is actually profitable? Quite clearly: with a program for analyzing, evaluating and monitoring PV power generation.

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    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 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
    A man points to security camera equipment, featuring a Reolink Altas PT Ultra camera, solar panel, and hub, with a backyard pool and patio area in the background. The Reolink logo is displayed on the left. www.commaik.de

    Reolink Altas PT Ultra: The powerful 4K battery-powered surveillance camera in a test

    13. October 2024
  • 800W balcony power plant easy to install & optimize by yourself

    Two large solar panels for a balcony power plant stand on wooden pallets outdoors. An arrow points from 600W to 800W. Inset images highlight the panels, power inverter, and cables, showcasing the system's details. www.commaik.de

    To cover the base load I have installed a small 300W balcony power plant for quite some time. I was able to gain some experience and optimize my own use of solar power. Now I am replacing my 300W balcony power plant with a new 800W balcony power plant. In addition to the new PV modules, I renew the substructure, the microinverter and, of course, the connection to the house grid. During my rebuild, a few questions came up, which I would like to answer with this entry and my video:   👉 What components does a balcony power plant consist of? 👉 How to fix a balcony power station?…

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    A backyard with a round above-ground pool surrounded by white gravel, green grass, a small plant, and palms. A blue shed and stone wall sit in the background, with chairs and a table on the patio area. www.commaik.de

    Palm trees for the pool – vacation atmosphere in your own garden

    8. July 2018
    A person holds a trencher, creating trenches in a grassy yard for irrigation. Several orange buckets filled with soil are placed around the dug areas, with a brick path on the right and a stone building in the background. www.commaik.de

    Installing a lawn sprinkler: Step-by-step instructions for watering your garden

    21. March 2025
    Two cars are parked under an elegant, modern carport made of white wood with a flat roof, which stands on a gravel surface next to a concrete wall. Trees and shrubs provide greenery in the background. www.commaik.de

    EasyCarport kit – delivery and accessories

    20. September 2020
  • Install Reolink RLN36 NVR | Install hard disk and set up camera

    Reolink NVR device on a gray background with large "Reolink NVR" text above it; a hand can be seen in the background installing a hard drive inside the Reolink security system. www.commaik.de

    To monitor my property, I had set up a camera surveillance system. Nine Hikvison and Trendnet cameras monitored every nook and cranny on the site. The data was stored on a QNAP NAS. The system ran cleanly and stably – but also at the capacity limit. The amount of data from the cameras was simply too large and I had to think about how to future-proof my surveillance system. I therefore decided to set up a Reolink camera system and store the data on an NVR, a network video recorder. In this post I show you how I went about it.

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    Close-up of an ALLPOWERS powerstation with a digital display showing 74% battery, 499W output, and several connected cables and outlets on the front panel. www.commaik.de

    LiFePo4 Powerstation – mobile storage for stand-alone PV systems

    5. January 2024
    A portable hcalory diesel heating unit sits inside a metal box with an open lid, next to a light gray wooden wall. Various hoses and a fuel tank are visible, along with ventilation pipes extending from the box. www.commaik.de

    Hcalory TB MAX 8 kW diesel heater in a practical test – compact all-in-one heater for camping, workshops and motorhomes

    9. November 2025
    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 lawn mower without boundary wire in test: LiDAR vs RTK in comparison (ANTHBOT M5 vs M9)

    14. April 2026
  • Lawn care in spring for the perfect lawn

    A manicured garden with a palm tree, landscape stones, lawn care equipment, a bag of fertilizer and two lawn mowers on a neatly trimmed green lawn. www.commaik.de

    It’s the beginning of March and winter is slowly retreating. It’s time for me to take care of my garden and bring it out of hibernation. Today I want to take care of my lawn. There is a lot to do, especially in spring. Mowing the lawn, fertilizing the lawn, reseeding the lawn, in addition to scarifying and aerating, are just a few things that I would like to tackle today. I also have to reactivate my water taps and my lawn irrigation system after the winter.

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    A lawn sprinkler provides gentle lawn irrigation over green grass in a backyard at sunset, with warm orange clouds overhead and a stone patio and wooden fencing in the background. www.commaik.de

    Planning and installing lawn irrigation 1 – Optimum sprinkler placement

    13. May 2020
    Several green plants grow in a gravel garden with purple flower spikes. Some are surrounded by black landscaping fabric and gray rocks arranged in wire mesh grids, forming a modern raised bed. A stone wall completes the background. www.commaik.de

    Secure raised bed on a slope with gabions and honeycomb fleece

    2. August 2020
    An outdoor Rain Bird irrigation control box with wiring is surrounded by gravel, drip tube, and plants, indicating the installation or maintenance of a garden watering system. www.commaik.de

    DIY ornamental bed with automatic Rain Bird drip tube irrigation

    2. February 2024
  • Set up 2. balcony power station and connect in series.

    Two large solar panels, part of a balcony power plant, are mounted on a wooden platform outside a modern house, angled to capture sunlight beneath a partly cloudy sky. www.commaik.de

    Despite my balcony power plant in the backyard and lower electricity consumption, electricity costs keep going up. According to the http://strom-report.de, KWh of electricity costs an average of 34.6 cents. New contracts currently cost as much as 41 cents. It is therefore necessary to think about cost-effective alternatives and to add another module to my existing Balkan power plant. But can I connect 2 different PV modules together at all? Do I need a new inverter for two modules or can I continue to use the two old micro inverters?

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    Two large solar panels for a balcony power plant stand on wooden pallets outdoors. An arrow points from 600W to 800W. Inset images highlight the panels, power inverter, and cables, showcasing the system's details. www.commaik.de

    800W balcony power plant easy to install & optimize by yourself

    2. October 2023
    Close-up of an ALLPOWERS powerstation with a digital display showing 74% battery, 499W output, and several connected cables and outlets on the front panel. www.commaik.de

    LiFePo4 Powerstation – mobile storage for stand-alone PV systems

    5. January 2024
    A person stands on a rooftop with solar panels and a balcony power plant, pointing toward a graphic showing a Zendure SuperBase energy storage unit. A modern house and trees are visible in the background. www.commaik.de

    Optimize balcony power plant – New modules and 220V battery storage for maximum efficiency

    26. July 2024
  • Draining the cellar – 1 year later

    In a damp cellar, plastic containers are inserted into holes at the base of a brick wall to dry out the room. A red dehumidifier and various appliances can be seen in the background. www.commaik.de

    I have been working on draining the cellar for a good 2 years. In addition to repairs to the pipe system, ventilation concepts, dehumidifiers, dryers and a pump shaft in the cellar, I also installed a subsequent horizontal barrier with a masonry injection. It is now time for a review and a summary of the individual measures.

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    A metal heating box with hoses attached sits open next to a building, revealing machinery and a plastic container inside; the box appears to be an outdoor equipment unit or possibly a parking heater. www.commaik.de

    Installing a mobile diesel parking heater in the garden shed

    15. January 2025
    A backyard with a round above-ground pool surrounded by white gravel, green grass, a small plant, and palms. A blue shed and stone wall sit in the background, with chairs and a table on the patio area. www.commaik.de

    Palm trees for the pool – vacation atmosphere in your own garden

    8. July 2018
    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

    Automatic litter box test: Self-cleaning litter box without odor – Mova LR10

    12. December 2025
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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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