Hackaday

Building A Network Controllable RGB LED Lamp From An Old Scanner

Being able to use one of your old projects to make a new one better can be quite satisfying. [Steve] from Hackshed did just this: he integrated an Arduino based webserver into a new network ...
Twice

Epson Debuts Scanner with LED Light Source

Long Beach, Calif. — Epson introduced its first scanner with an LED light source. The V500 Photo is a 6,400 dpi scanner with new “ReadyScan” LED technology that eliminates the warm-up time associated ...
Hackaday

larson scanner

[Andrea] built this LED chaser using one logic chip. It illuminates all but one of the six LEDs, with the dim bit moving back and forth along the row in a chase sequence. This is something like an ...
EDN

Third-generation infrared LED iris scanners offer increased accuracy

The SFH 4787S infrared LED provides even illumination for iris scanners to detect and identify unique patterns in the eye. Its flat intensity distribution optimizes the reflector and lens to create a ...