Introducing the UNIHIKER: A Vision of Possibilities UNIHIKER is a compact and feature-rich single-board computer (SBC) from DFRobot. At the core of the UNIHIKER experience lies its 2.8-inch touchscreen display, a gateway to intuitive interaction and immersive exploration. Whether you’re navigating through menus, tinkering with sensors, It may look like just another screen and microcontroller,…
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LoRaWAN (Long Range Wide Area Network) is a specification for a telecommunication network suitable for long-distance communication with little power. The technology is used for machine-to-machine communication (Internet of Things). The architecture consists of gateways, network servers and application servers. There are RF chips from Semtech used to transmit a spread spectrum. More information about…
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Introduction TDS (Total Dissolved Solids) indicates how many milligrams of soluble solids are dissolved in one liter of water. In general, the higher the TDS value, the more soluble solids are dissolved in water, and the less clean the water is. Therefore, the TDS value can be used as one reference point for reflecting the…
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The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. It is a capable little device that enables people of all ages to explore computing and to learn how to program in languages like Scratch and Python. It’s capable of doing everything…
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