Smart Bookmarks, DIY project

Are you fed up with misplacing of page? Do your ordinary book marks continually fall out? Then try out this smart bookmark. Once you have attempted this smart bookmarks DIY Project, you will never revert to those days of confusions like whether you were at page number 45 or page number 75? So why are you waiting for. Just try this simple DIY Project…..

Block Diagram of Smart Bookmarks, DIY Project:

The major parts used in Smart Bookmarks, DIY project are the Timer, Buzzer, Power supply and finally the most important - two normal bookmark pins.

These bookmark pins are inserted between the pages where you want to make a bookmark as shown in the figure.

During your favorite novel reading times, you want to go for something else like a phone call or anything else. In this busy life it’s natural that sometimes we let slip from memory that “where I had read the novel or which is the page number”? But don’t worry!!! This Smart Bookmarks will help you to remind about your novel and the page number… The only thing is that, you just insert the smart bookmark between those pages and simply move for your activity.

Working Principle of Smart Bookmarks, DIY Project:

Firstly insert the smart Bookmarks between the pages, where you want to bookmark and when you close that book, the Smart bookmark pins gets in contact with each other. Note that metal pins are recommended as bookmark pins for providing proper conduction between the pins. The timer is connected to these smart bookmarks pins. When you close the book, the bookmark pins gets into contact and it will act as a closed circuit with the timer and the timer starts counting. After a predetermined time, the buzzer which is connected to the timer will start make some noise. A power supply which is connected to this circuit provides the working power for the whole circuit, which is shown in the circuit diagram. Since the Buzzer rings, it will inform or reminds the reader about the novel and also of course about the page number too.

Circuit Diagram of Smart Bookmarks, DIY Project :

Electronic Components Required:

• Button Battery CR 2025  : 1 No.
• Battery Holder  CR 2025  : 1 No.
• Buzzer : 1 No.
• Resistor, 100ohm : 3 No.s
• Trimmer, 470K : 1 No.
• Capacitor, 470uF :1 No.
• Capacitor, 104  : 1 No.
• Transistor, BC557 : 1 No.
• Jumper : 1No.
• Timer IC , NE555 : 1 No.

Advantages and Applications of Smart Bookmarks, DIY Project :

• This Smart Bookmark will help you to remind about the page number.
• By adding some modifications such as LCD displays, key pad you can view and store the page number, date, author name etc. while reading a book.
• Can set timer on your requirements.

In this way the Smart Bookmarks, DIY Project will help the reader and you will not ever want to revert to those days of confusions like whether you were at page number 47 or page number 75?