Allure on MSN7d
6 Best Freckle Pens for a Sunkissed Look—No Damage Required
The best freckle pens are taking over TikTok for their tone-mimicking pigments that look near identical to real spots. By definition, natural freckles are well-defined brown spots that show up in ...
Hackaday10y
Light Pen Draws On LED Matrix
That’s the question [Kathy] asked when she built this LED matrix light pen project. It looks simple enough – a 64-LED matrix illuminates as the pen draws shapes. But how does the circuit ...