Autor: Levin Schroll
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Comparison of Hydroponic Nutrients from various bands
Plagron Hydro A NPK (3-0-1) Ca 5,9% MgO 0,6% Hydro B NPK (1-3-6) MgO 1,4% Canna Aqua Vega A NPK ges (4-4-8) Ca ?% MgO ?% Aqua Vega B NPK ges (4-4-8) MgO ?% Explanation Hydro A is focused more on providing nitrogen for vegetative growth, essential for leaf and stem development. Hydro B increases…
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Smart Solar Table Lamp
This guid will show you, how you can build your own solar-powered table lamp. Electronics Here we have a complete li-ion battery charger with 450 – 500 mAh charging current, dimmable by 1-hold-touch and USB type-c. Design In this section you will learn about der Design of the Lamp.
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The Kratky Method
Overview The kratky method is the hydroponic growing method that is the easiest to set up. It does not require any pumps or alike, so it also doesnt produce any noise. Therefore, it is suitable even for the livingroom or bedroom. The perfect set it and forget it method. Plants that are good to grow…
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How to build an inexpensive speaker impedance messuring system
For building proper speakers it is esssential that you are able to messure their impeadance for a given frequency. Required Hardware How to assemble Connect power supply to amplifier with connectors.