... PRESSED ? YES NO SET CONTROLLER OUTPUT TO ZERO READ CONTROLLER OUTPUT FROM A / D CONVERTER UPDATE MANIPULATED VARIABLE TO ALLOW FOR DEAD TIME INTEGRATE DIFFERENTIAL EQUATION ADD RANDOM NOISE TO SIGNAL IF DESIRED OUTPUT TO D / A ...
... square but with letters instead of numerals. The only row that looked like a word was tenet. Looking for magic squares with tenet added in the Boolean search brought up something a little more familiar. It had many names: the sator-rotas ...
... PRESSED ? YES NO SET CONTROLLER OUTPUT TO ZERO READ CONTROLLER OUTPUT FROM A / D CONVERTER UPDATE MANIPULATED VARIABLE TO ALLOW FOR DEAD TIME INTEGRATE DIFFERENTIAL EQUATION ADD RANDOM NOISE TO SIGNAL IF DESIRED OUTPUT TO D / A ...
