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yqn
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2019-09-10
2023-06-14
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SPV1040充电问题,根�?�手册推�??电路图,我画了如下电路测试,在25度晴朗天气的大太阳天,我接入5V太阳能�?�测试,(图中�?焊接的元件用NC表示)然而�?管则么调节R4和R8的阻值,输出电压始终是4.7-5V左�?�,而并�?是计算的4.2V,请问这到底是什么问题,到底是电路出了问题还是怎么回事,麻烦帮解决下,谢谢
2019-09-10
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