The release of the next-generation UNO board by Arduino represents a considerable upgrade to its 8-bit technology. The new UNO R4 is powered by a 32-bit microcontroller and is available in two ...
// https://pro.tips/courses/learn-arduino-uno-r4-wifi-free-online-course/lesson/fast-digital-io-read-write-operation-on-arduino-uno-r4-wifi/ // 19.2.5 Port mn Pin ...