It can't get much simpler than this Sketch - Here is the code & the verbose dump, and a schematic. I copied the code into Arduino IDE. It compiled, but will not run. const byte LED = 12; const byte BUTTON = 2; // Interrupt Service Routine (ISR) void switchPressed () { if (digitalRead (BUTTON) …

Getting errors uploading simple ISR sketch

Topic		Replies	Views
starting up Arduino IDE 1.x	35	4939	May 5, 2021
Can't upload sketches into arduino. reinstalled the IDE and tried other board. IDE 1.x	17	9989	May 5, 2021
Arduino Uno stuck on upload IDE 1.x	19	20807	May 5, 2021
Cannot upload sketches after burning bootloader IDE 1.x	9	6767	May 5, 2021
Problem uploading sketches to the board IDE 1.x	7	1992	May 5, 2021