The Aliexpress-bought Wi-Fi lightbulb had the glass structure sawn off with a serrated knife, exposing the tiny BL602 RISC-V chip inside, before the board was soldered to a surrogate microcontroller ...

Full study: “ A smart cup for wireless, biofuel-powered, sweat-based vitamin C sensing .” Co-authors of the study include Muhammad Inam Khan*, Ryan Burns*, Akshit Agarwal, Lu Yin, Jongmin Moon, Bumsik ...