i using MAX7219 to drive 8x8 matrix, below is the code for filling matrix, i am trying to interrupt the program with button and start from where it interrupted. like play pause. void loop() { for(int row=0;row<4;row++) { for(int col=0;col<8;col++) { delay(100); lc.setLed(0,col,row,true); } …

need help for Interrupts

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