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Solar photovoltaic module with concentrator, has solar battery panel and concentrator made in form of transparent dome and installed in such way that streams of sunlight refracted in concentrator fall on surface of solar battery 2024-09-16
Autonomous small-sized device for measuring soil moisture in field conditions, has indication and control unit that is designed to store data, and calculates percentage of moisture in sample and display result and power supply provides power from specific voltage network 2024-03-19