Electronics

What type of LED lighting to choose for a dropped ceiling

You want to create an exquisite dropped ceiling in some room in your home and look for suitable lighting? Check out the most convenient LED…

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What is Arduino and how to start our first project

Arduino is an open-source electronics platform based on easy-to-use hardware and software. It interacts with the outside world via different sensors, buttons, motors, LEDs and…

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Graetz circuit, connection and principle of operation of Graetz circuit

Graetz circuit is a two half-period rectifier. It is used for rectifying alternating voltage when consumer with constant voltage has to be powered. It consists…

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Sprays and lubricants. Problems and solutions

We know many types of technical sprays and lubricants that are used daily in households, industry, aviation and shipbuilding. Without being exhaustive, we will list…

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Thermometers and weather-stations

How are thermometers invented? Like most inventions, the thermometer wasn’t invented in a day and by just one person. It is assumed that the first…

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How to create a Local Area Network (LAN)?

Equipment required: Router – it may have a built-in switch and/or Wi-Fi, a switch (commutator), Wi-Fi (access point / hotspot) FTP or UTP cable, RJ-45…

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Chargers and battery testers

Car batteries, even when they are not used, they self-discharge over time. Car batteries have a standard level of natural self-discharge and it says that…

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FLASH DRIVE

USB flash drive, or so-called “sticks” are small size devices for storing digital data. They are extremely useful for storage and transfer of various data,…

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The most important thing we need to know about HDMI

What is HDMI? Technically HDMI stands for High-Definition Multimedia Interface (multimedia interface with high resolution). The cable is a global standard for communication, developed by…

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Cables

Cables are an integral part of any electrical device. No matter whether they are used for internal connections or power supply, they are responsible for…

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