Electronic Projects For Beginners By A.k.maini Pdf 21
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Electronic Projects For Beginners by A.K. Maini: A Review
If you are looking for a book that contains 50 practical and interesting electronic projects, you might want to check out Electronic Projects For Beginners by A.K. Maini. This book, published by Pustak Mahal in 1997, covers a wide range of topics such as power supplies, alarms, timers, meters, lights, sound effects, and digital logic circuits. Each project comes with a comprehensive functional description, a parts list, a construction detail such as PCB and components' layouts, a testing guideline, and some alternatives or tips in case of uncommon components or devices.
The book also contains three introductory chapters that give operational basics and application relevant information on electronic components such as resistors, capacitors, coils, transformers, diodes, transistors, LEDs, displays, SCRs, opamps, timers, voltage regulators and general purpose digital ICs such as gates, flip flops, counters etc. These chapters are useful for beginners who want to learn the fundamentals of electronics and how to use them in various circuits.
Some of the projects that you can find in this book are:
Timer Tester: A simple circuit that tests the accuracy and functionality of timer ICs such as 555.
OPAMP Tester: A handy device that checks the performance and characteristics of opamps such as 741.
5-in-1 Alarm Gadget: A versatile circuit that can be used as a burglar alarm, a fire alarm, a gas leak detector, a water level indicator or a doorbell.
Digital Stopwatch: A project that uses a 4-digit LED display and a decade counter IC to measure time intervals up to 99 minutes and 59 seconds.
Electronic Dice: A fun circuit that simulates a dice using six LEDs and a 555 timer.
Bicolour Dancing Lights: A project that creates a colorful light show using two sets of LEDs and two astable multivibrators.
Simple Laser-based Intruder Alarm: A project that uses a laser pointer and a photodiode to detect any intrusion in a room or a corridor.
Remote Control of Home Appliances: A project that uses an infrared transmitter and receiver to control up to eight appliances such as fans, lights or heaters.
The book is written in a clear and easy-to-follow style with plenty of diagrams and illustrations. The author also provides some background information and explanations for each project to help the reader understand the working principle and the design rationale. The book is suitable for hobbyists, students and teachers who want to learn electronics by doing hands-on projects.
You can find more information about this book on Google Books[^1^] or Open Library[^3^]. You can also download a PDF version of this book from Sway Office[^4^].Here are some more paragraphs for the article:
One of the advantages of this book is that it uses common and inexpensive components that are easily available in the market. The author also suggests some alternatives or substitutions in case some components are not found or are too costly. For example, he shows how to use a 3-terminal regulator IC instead of a zener diode for voltage regulation, or how to use a MOSFET instead of a relay for switching high currents. He also gives some tips on how to identify the leads or pins of semiconductor devices and integrated circuits using a multimeter or a logic probe.
Another benefit of this book is that it covers both analog and digital electronics, and shows how they can be combined to create more complex and useful circuits. For instance, he explains how to use an opamp as a comparator, a buffer, a Schmitt trigger or a slew rate limiter. He also demonstrates how to use digital ICs such as counters, decoders, latches, shift registers and buffers to create displays, timers, stopwatches, reaction testers and logic gates. He also introduces some basic concepts of binary arithmetic and Boolean algebra that are essential for understanding digital logic.
The book is not only informative but also entertaining and inspiring. The author shares his personal experiences and anecdotes related to each project, and encourages the reader to experiment and modify the circuits according to their own needs and preferences. He also challenges the reader to think of new applications and improvements for each project, and provides some hints and clues for further exploration. The book is a great source of ideas and inspiration for anyone who loves electronics and wants to create their own projects. 061ffe29dd