微笑每一天 发表于 2024-11-19 14:47
窜连限流电阻+并联稳压二极管 还差不多
然并卵,根本不符合厂家最求廉价+计划性报废的终极目标 ...
三天晒网 发表于 2024-11-19 23:33
行与不行,试验便知
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