Interrupting while someone is talking is rude for humans, but smart for computers. [Ivan Voras] shows how to use interrupts to service the ESP32 analog to digital converters when sampling sound.

Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...

RS-232 was the PC serial communications standard for many years. Hardware and software support for this simple, yet effective, interface was included on every PC made until it was eventually replaced ...