Once upon a time we collected our first unpretentious school-age radios from sets. Today, due to the development of modular design, it is not difficult to assemble a digital radio receiver
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Hello. Today we have a simple, miniature frequency meter on the PIC16F628A microcontroller with the NOKIA LCD 5110 indicator. Due to the use of the display from a mobile phone, its dimensions
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First, about why such a simulator is needed. The simulator was created by the master to reduce the cost of training to use fire extinguishers. At annual trainings, existing fire extinguishers are used,
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Good day to all. I bring to your attention a manufacturing option for a soft-start device for a power tool on the well-known domestic IC of the K1182PM1R phase regulator. Though
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Even in the modern world, power outages are not uncommon. At the same time, the devices through which a person interacts with the Internet are becoming more portable, laptops, phones,
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This amazing LED watch is a pretty simple project that almost anyone can do. Since the ping-pong balls are not oriented in the matrix, the author had to come up with a good way
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Greetings, the inhabitants of our site! In this article, you will learn how to assemble one of the options for a good budget and quite powerful stereo sound amplifier with a timbral block, USB, Radio, as well as AUX.
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Greetings, the inhabitants of our site! In this article, you will learn how Roman, the author of YouTube channel “Open Frime TV”, assembled a flyback power supply unit on a UC3842 chip with your own hands, and we’ll also figure it out together
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This article discusses the manufacture of proportional radio control equipment based on the Arduino board. An interesting feature of the project is that the equipment was conceived as an alternative
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The master of this headphone amplifier made it after being upset by the terrible sound quality coming from the headphones during a recent airplane trip to China. The sound was tinny and
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A digital display can be useful at various events to inform visitors about upcoming events, schedule changes or dynamically provide current information.
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Greetings to all lovers of homemade products, today we will assemble a car voltmeter on the Arduino and a seven-segment indicator for monitoring on-board voltage in a car. This device is easy to assemble and
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Immobilizer - English immobiliser - "immobilizer". Anti-theft device that blocks important circuits in the ignition system. Regular immobilizers do not allow to start the engine, manufacturers
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Many have heard or seen the clever ears of "necomimi". Such ears react to the mood of the owner and, depending on it, react. The principle of operation of such a device is based on decoding the brain
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