The dress and an LED strip, along with a digital microphone and a battery were easy to procure. But how to make it all work? An ESP32 did the trick. While the project’s name–Olaf–sounds like ...

and even smart LED light strips. Unfortunately, researchers at Tarlogic Security presented vulnerabilities in the ESP32 microcontroller at the Spanish security conference, RootedCON, in Madrid ...

The RGB LED sign made by [Hans and team ... In this particular construction, an individual strip is responsible for each character. Powered by an ESP32 running FreeRTOS, the sign communicates ...