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 ...
I’ve tried numerous home LED face masks but this handheld device is my favourite
LED masks are all the craze, from CurrentBody, Shark to Dr Dennis Gross, and many more. As a beauty journalist I have been ...
Can at-home red-light therapy really cure acne? New study puts LED devices to the test
Mia – stock.adobe.com But does at-home red-light therapy really work for acne? In a new study published Wednesday, ...
Hackaday1y
Light Pen
Sometimes the simplest of projects end up revealing the most interesting of things, as for example is the case with [Ryo Mukai]’s light pen for the Vectrex console. It’s an extremely simple ...