Lab LCD Displays LCD displays can display values on the screen, and also allow someone to interact with it by pressing buttons on it. 1023 Select: 740-741 Left: 503 Down: 326-327 Up: 142-143 Right: 0 Lecture Data Files I/O Statements Must use pointers to reference file pointer defined with FILE declaration as in FILE *sensor1; Asterisk before identifier specifies that identifier is a pointer sensor=fopen("sensor1.txt","r"); fopen function optains info needed to assign file pointer for specific file. R is for read, w is for write Homework Hardware //LCD with Progress Bar //Include the library code: #include <LiquidCrystal.h> //Initialize the library with the numbers of the interface pins LiquidCrystal lcd(8,9,4,5,6,7); //Create the progress bar characters byte p20[8] = { B10000, B10000, B10000, B10000, B10000, B10000, B10000, B10000, }; byte p40[8] = { ...