To make things even more even there’s a slew of constant current LED driver chips out there that can be had for a song. But do you have any idea how those constant current circuits work?

energy-efficient LED display solutions in various applications, including appliance display panels, LCD zonal backlighting, and gaming machines. The IS31FL3758 supports a configurable matrix ranging ...

[Thomas] built a LED driver capable of powering these gigantic LEDs and creating a light show that is probably bright enough to cause bit of eye damage. [Thomas]’ LED driver is based on Linear ...