Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED ...

We keep seeing a lot of RGB lamps, but they’re also constantly increasing in size and complexity. Take this rendition, which uses a lot of RGB LEDs and has smartphone control (translated). The lamp ...

They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...

[ElectronUpdate] has posted many great reviews of commercial LED bulbs that one can purchase to replace standard E26 incandescent light bulbs. In his reviews he evaluates the light emitting ...