Abstract: Based on blue LED chips to excite Ce-doped yttrium aluminum garnet (YAG: Ce 3+) yellow phosphors, InP/ZnS green-emitting quantum dots (QDs) and InP/ZnSe/ZnS red-emitting QDs are used as ...

Regular Christmas trees don’t emit light, nor do they react to music. If you want both things in a holiday decoration, ...

Formula 1® season is coming to an end, and that the final race should be bangin’. To get ready, he built this ultra-sleek ...

Give your older smart TV a fresh, modern feel with simple projects that add new features and make everyday viewing more ...

Abstract: Visible light communications typically uses a white LED as a data source. Most white LEDs use a slow yellow phosphor combined with a blue LED that has a faster response. An optical filter is ...

“xcrhom WLED Type-C” is a tiny ESP32 board designed to run WLED open-source firmware that supports WS2812(B) RGB LED strips. It also supports audio-reactive effects using an “external microphone”, ...

The men of the ancient Levant gathered by chivalry under the banner of their leader, who condemned himself to exile as a result of a mistake he committed, and was the first to apply the law to himself ...

Imagine setting up an incredible LED light show synced with your favorite music, only to find the microphone sensitivity isn’t capturing the beats as expected. Frustrating, right? In these cases, ...

The YULC (Yes, a USB-C LED Controller) board is a compact, ESP32-S3-powered LED controller with USB-C and DC jack power inputs. It is a fully featured board that can easily replace a rat’s nest of ...

Division of Nanomaterials & Chemistry, Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China Department of ...

Configuring mDNS on an ESP32 board does not actually enable mDNS. It does not show up in Discovery and a packet capture from the router interface shows no service discovery broadcasts from the ESP32 ...