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How to Download Elektor 311 Circuits for Free

How to Download Elektor 311 Circuits for Free

Elektor 311 Circuits is a book that contains 311 electronic circuits for various applications, such as audio, video, microcontrollers, robotics, power supplies, and more. The book was compiled from the 2009, 2010 and 2011 'Summer Circuits' double editions of Elektor magazine[^2^], a popular publication for electronics enthusiasts and professionals.

Elektor 311 Circuits Downloads

If you are interested in downloading Elektor 311 Circuits for free, you may be able to find it on some online platforms that offer free books or magazines. One of them is, which has a collection of Elektor Circuit Collections from 2000 to 2014[^1^]. You can browse the collection and download the PDF files of the books you want.

However, please note that downloading Elektor 311 Circuits for free may not be legal or ethical, as it may violate the copyright of the authors and publishers. Therefore, we recommend that you purchase the book from the official website of Elektor or other authorized sellers. By doing so, you will support the creators of the book and get access to high-quality and updated content.

Elektor 311 Circuits is a valuable resource for anyone who loves electronics and wants to learn new skills and techniques. Whether you are a beginner or an expert, you will find something useful and interesting in this book. So don't hesitate to get your copy today and enjoy the world of electronics!

In this article, we will show you some examples of the circuits that you can find in Elektor 311 Circuits. These are just a few of the many projects that you can build and experiment with using the book.

Example 1: LED Chaser

This circuit is a simple but fun project that uses a 555 timer and a 4017 decade counter to create a chasing effect with 10 LEDs. You can adjust the speed of the chasing by changing the value of the potentiometer. You can also use different colors of LEDs to create different patterns.

The circuit diagram and the parts list are shown below:





P1100kÎ potentiometer

C110ÎF electrolytic capacitor

C20.01ÎF ceramic capacitor

IC1555 timer

IC24017 decade counter

D1-D10LEDs (any color)

BAT19V battery

MISCBreadboard, wires, battery clip, etc.

To build the circuit, follow these steps:

  • Connect the positive terminal of the battery to the top rail of the breadboard and the negative terminal to the bottom rail.

  • Insert IC1 and IC2 on the breadboard, making sure to align the notches with the markings on the diagram.

  • Connect pin 8 of IC1 to the top rail and pin 1 to the bottom rail.

  • Connect pin 16 of IC2 to the top rail and pin 8 to the bottom rail.

  • Connect pin 3 of IC1 to pin 14 of IC2.

  • Connect R1 between pin 7 and pin 6 of IC1.

  • Connect R2 between pin 6 and pin 2 of IC1.

  • Connect P1 between pin 7 and pin 8 of IC1, with the wiper connected to pin 2.

  • Connect C1 between pin 6 and pin 1 of IC1, with the positive lead connected to pin 6.

  • Connect C2 between pin 5 and pin 1 of IC1.

  • Connect R3 between pin 3 and each LED anode (positive lead).

  • Connect each LED cathode (negative lead) to pins 3, 2, 4, 7, 10, 1, 5, 6, 9, and 11 of IC2 respectively.

  • Turn on the power and adjust P1 to change the speed of the chasing effect.



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