On microcontroller systems like the STM32, interrupts are even more important, as this is what allows an MCU to respond in hard real-time to an (external) event. Especially in something like an ...
ClockworkPi has made several Linux handheld terminals over the years such as the GameShell or DevTerm, but the PicoCalc Kit ...
He wanted to improve on the design though, making a smaller unit with a greatly reduced bill-of-materials and with a more streamlined design, so he came up with this STM32-based oscilloscope.