Review: Govee's New Chromatic String Lights Work With HomeKit and Display Multiple Colors Per Bulb

Govee today introduced its newest lighting product, Matter-enabled string lights with chromatic bulbs that have multiple LEDs ...
AppleInsider

True Tone for MacBook Pro keyboard may use multiple LEDs

The backlighting system of MacBook Pro keyboards could be upgraded to include TrueTone capabilities, with Apple examining the use of multiple LEDs per key to make the light seem even despite changes ...
EDN

Drive Multiple LEDs by Using Only One NiMH Cell

This simple circuit allows us to drive serially connected seven LEDs by using a single NiMH (Nickel Metal Hydride) AA cell. As you can see there are a few components, a CMOS 555 timer, an NPN ...
Hackaday

You Can Use LEDs As Sensors, Too

LEDs are a wonderful technology. You put in a little bit of power, and you get out a wonderful amount of light. They’re efficient, cheap, and plentiful. We use them for so much! What you might not ...
EDN

Controlling power and cost for multiple LEDs

The traditional way to control the output of multiple LEDs is to dedicate a pulse width modulation (PWM) controller to each LED and use the controller to transform the input voltage to a current that ...