How to make your normal lcd screen touch screen

Hello guys,
I am gonna tell you how you can make your normal lcd
Screen into touch screen.
Just follow 7 simple steps:

1Measure the length & breadth of your screen & note down.
2Have 2 smooth rollers & two pin for them to stack them into & roll a thread able to move.


3Set up as seen in the diagram.

4Have a marker & make it hollow & insert a very powerful magnet.

5Take your track balled mouse & scrape off its left button's skin and make a circuit as in diagram.

6Subtend a very light metal(ferromagnetic) at centre of the thread

7Try to move the pen over screen and apply a little pressure over a button.

Thankyou guys

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