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ELFORUM - Forumul electronistilor
Guest geos


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am realizat seeprog dupa schema si cablaj care circula pe net dar, surpriza nu comunica cu programul .

am verificat cablajul si surpriza 74hc574 nu era alimentat ,deci eroare cablaj poate cineva sa ma ajute ,indrume .

m-ai sunt greseli in cablaj?

sa lovit cineva de aceeasi problema?


imagine seeprog


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Si la mine sunt probleme. La mine programul identifica programatorul, il gaseste pe portul paralel, insa nu scrie nici un eeprom. Culmea ca le poate citii dar nu le scrie. Apropo are cineva idee jumperul ala la ce foloseste? Din cate vad vine in pinul 7 al eepromului.

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Guest merlingerin

Pinul 7 la memoria seriala I2C -> validare WP (Write Protect).Intrerupator deschis -> WP in "0" L intern -> WP activ.

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