As the title says, this is a good DIY. The information is here. Does anyone want to try it?https://download.eeworld.com.cn/detail/%E6%9C%A8%E7%8A%AF001%E5%8F%B7/625147...
I found some information online, and the stc pins in it seem to be wrongly labeled. Is it only the pin that generates the pwm frequency that needs to be fixed to the input of max232, and the other pin...
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