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DS18B20正確接法

Floor 1 巨大八爪鱼 1/1/15 21:22
Floor 2 巨大八爪鱼 1/1/15 21:23
切記不要僅僅因為上面有一個「+」就把第一根線接正,因為那個+只是型號。
Floor 3 巨大八爪鱼 1/1/15 21:24
第二根線一定要接10k歐上拉電阻,否則在51單片機上可能讀出0.0或者85
Floor 4 巨大八爪鱼 1/1/15 21:24
接反了有可能晶片會燒壞。

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