Demonstration of controlling an Epson projector with RS232C

EMP-82 command list (ESC/VP21) POWER ON PWR ON POWER OFF PWR OFF Signal switching VIDEO SOURCE 41 S-VIDEO SOURCE 42 COMPUTER 1 AUTO SOURCE 1F COMPUTER SOURCE 11 COMPONENT SOURCE 14 COMPUTER 2 AUTO SOURCE 2F COMPUTER SOURCE 21 COMPONENT SOURCE 24 A/V MUTE ON MUTE ON A/V MUTE OFF MUTE OFF