Explore the inner workings of microcontroller code using an Atmel AVR In-Circuit Emulator (ICE) in this 22-minute video tutorial from Hackaday. Follow along as Bil Herd demonstrates ICE debugging techniques on a custom OBDII widget designed to convert vehicle speed into a pulse stream. Gain insights into the powerful capabilities of In-Circuit Emulators while examining the project's hardware development and code implementation. Learn about AVR Studio, timers, and coding techniques specific to this application. Access additional resources, including the full article and related hardware development information, to deepen your understanding of OBDII interfacing and microcontroller programming.