I’ll take some pictures and make a short video.
I bumped into JY01 datasheet in English (the removed IC - probably translated), and there’s not much I can draw but I can share the pins diagram and schematics (can’t upload PDF here) for now.
I was planning on wiring it to the JY01 IC pads, but I ended soldering them directly to IR2101 pins
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This looks like the board I have
I’ll post pics and videos in a few days.