This is a continuation of some of the comments I put into the RTC keyboards thread: [image] Is there a RTC Keywords.txt for the R4 UNO R4 WiFi @KurtE , I found a way to get day of the week straight into the print statement. char WeekDays[7][10] = {"Sunday", "Monday", "Tues…

Serial.print() from ISR will hang

KurtE July 8, 2023, 5:36pm 9

Which was sort of fun with the callback.

UARTs code - Trying to enhance the performance and understand