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秀一下我做的万用表用的9V锂电 |
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点评
用2577感觉有点大材小用,还是用34063合适点
http://www.ctwxd.com/forum.php?mod=viewthread&tid=4370&extra=page%3D4
有空也要做一个试用一下
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点评
9V开关电源的质量一定要好,并且要稳压,否则容易烧表。
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