PCB of the Day! The VCNL4200 has long-ranging vision ๐๐ค๐ ๏ธ
The VCNL4200 proximity sensor https://www.digikey.com/en/products/detail/vishay-semiconductor-opto-division/VCNL4200/7394601 , which we found on last weeks The Great Search https://www.youtube.com/watch?v=xZBgRGVrHO0 , can detect motion up to 1.5 meters away, and has an I2C interface that makes it an excellent match for a Stemma QT board prototype. Which is what we've got here! Note the IR LED requires an external P FET to drive it!
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