Use Keypad to turn LED's on and off - LEDs and Multiplexing - Arduino Forum

Hey Guys I am new to arduino. I was wondering if you could help me. I want to have a keypad that when pressed will turn off and on an LED. e.g. If I press 1 then # I want it to turn LED1 on If I press 1 then * I want it to turn LED1 off Wiring Diagram: Code: #include <Wire.h> #include <Keypad.h> int LED1 = 9; int LED2 = 10; int LED3 = 11; int LED4 = 12; int LED5 = 13; const byte ROWS = 4; //four rows const byte COLS = 3; //three columns char keys[ROWS][COLS] = { {'1','2','3'}, {'

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