Electronic devices

An ultrasonic burglar alarm circuit is an electronic device which transmits ultrasonic waves to detect the movement of an intruding person. The ultrasonic waves hit the intruder and the reflected […]

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Zener Tester: Hello, We will create an electronic device to test the zener diode voltage. First , Theoretically we will learn how the Zener diode work? Let's get started

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As we all know, a capacitor is a passive electronic components that stores electric energy, just like a "container for storing charges."

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https://howtomechatronics.com/tutorials/arduino/how-i2c-communication-works-and-how-to-use-it-with-arduino/ ► Find more details, circuit schematics and sourc...

In this post we are going learn how to construct 3 different frequency counter circuits using ordinary components and ICs which will showcase the measured frequency on 7 segment displays. […]

Eletrônica e Radioamadorismo com circuitos, esquemas, manuais e vintage.

Electronic Projects for Beginners: If your wanting to get into electronics and need a place to start this instructable is for you. There are a number of very cheap kits on eBay and Aliexpress that you can get for 2 or 3 dollars which can give you some experience in component identifi…