I most time make log when I have less time I add some details what I don t say last time first thing sensor massive dont have one output there has 10 outputs new version must be 100 outputs new sensor I think made of film and have some micrometres layers and i get got idea how connect smaller to mm outputs to make one output of course I use smaller gauges copper wire and less heat .I but in to referring sources  video and hackaday link https://hackaday.com/2024/02/21/led-matrix-earrings-show-off-smd-skills/