C
cyberctrl
Guest
你好,我是帮助建立了连接的电路,但我的PC817趋于关闭。是否有其他更稳定的组成部分,我可以用这条赛道的PC817代替。我有3V20毫安(LED)输入,并希望得到3.3V350毫安。 (电源LED)由于对任何答案了。
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