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Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.
5110
Tachometer with a LCD from Nokia 5110
28. November 2009 - 2:26 — adminTen years ago was Nokia 5110 The Big Cellphone. Here is an useful recycling: Digital tachometer with a 5110 LCD.
(Source: Elfly.pl)