This weekend, my friend Rafael Moretti spent some time with me buying electronics materials and starting to build and test a lamp controller board for my pinball machine.
This circuit was suggested to me by another friend, DalPoz, which explained to me how the circuit is supposed to work. Thanks!
Here is a video of the board (not yet completely built yet, but already flashing 4 lamps of the playfield):
The video is in brazilian portuguese, but there are subtitles for it in english. It seems to me that, for some reason, YouTube does not show subtitles for embedded videos, so you might want to watch the video directly in YouTube here (with subtitles)
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