I have an arduino DUE and I want to add a small LCD to display the results of my program, but I'm still confused about finding a suitable lcd for the DUE, because I have to look for one with the same voltage as the DUE, which is 3.3v so as not to damage the DUE, I need a recommendation for that.
LCD are available for 3V3 also. For example this offer - just pick the right version. I have used this seller for several orders in the past, they are ok.
btw: you are in the wrong section: please report YOUR post to the moderator (flag) and kindly ask to shift your post to the Display section.
@sagise , your topic has been moved to a more suitable location on the forum. Introductory Tutorials is for tutorials that e.g. you write, not for questions. Feel free to write a tutorial once you have solved your problem 
Go onto somewhere like eBay and do a search for;
LCD 3.3V
You will see a wide choice of LCDs, TFTs and OLEDs for 3.3V operation.
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Any HD44780-based LCD module should operate with 3.3 V logic (when powered by 5 V).
As long as the R/~W pin is grounded, it will never put any voltage on its interface.
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