配送先 United Kingdom , USD

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PRASHEED this is not the problem with Crystal and DS 1307 chip, I am also facing this same problem.when I run this clock with internal battery (without getting display) the time is perfect, when i connected to... もっと見る

2018-08-25 09:43:33 役に立つ (0)
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回答 (5)

Q: what type of display is dot matrix

尋ねた deepak_6260 に 2018-08-24 13:18:25

PRASHEED Yes this is a dotmatrix display. each module having 5 hotizontal and 7 vertical led (5x7) like that 3 module, minimum working voltage is 3.5volt.

2018-08-25 09:37:25 役に立つ (0)
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