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Probleme cu un LCD1x16

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Am un LCD 1x16 pe care l-am conectat la un microcontroler atmel si imi afiseaza doar jumatatea din stanga a ecranului. Nu vrea sa afiseze un cuvant pe intreg ecranul, de fapt nu vrea sa afiseze nimic. Adica, din cele 16 caractere disponibile afiseaza doar primele 8 (din stanga). Vi s-a intamplat si voua asta? Care credeti ca este cauza ?

p.s. Nu am un LCD de proba, de schimb.




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Probeaza LCD-ul numai cu alimentare si masa, fara legaturile la porturile microcontrolerului. Daca pe ecranul acestuia se afiseaza 16 patratele negre atunci LCD-ul e OK, daca se afiseaza 8 patratele asta inseamna ca cealalta parte de caractere este compromisa si va trebui sa schimbi LCD-ul.

Am patit-o si eu cu un exemplar mai demult.


Numai bine

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