Many of us own soldering irons or soldering guns. In fact, I have two Weller soldering guns that have incandescent bulbs to illuminate the work area. But, these lights tend to shine on a wide area. My ...

There’s a new challenger on the block for the title of the “Worlds Smallest 4x4x4 RGB LED Cube“. At 13x13x36 mm, [nqtronix]’s Cube Pendant is significantly smaller than [HariFun’s] version, which ...

LEDs are getting smaller and smaller, and the newest generations of indexable RGB LEDs are even fiddlier to use than their already diminutive predecessors. [Alex Lorman] has written some notes about ...

A combination of a PIC and three constant current buck converters is the design of this circuit to create the RGB LED controller that drives the high power 350mA LEDs using PWM to control the ...