Labels:text | diagram | font | screenshot | line | white | number OCR: 12C indicator for TeleText SCL < 13 Ua 10 12 11 U6 Ua-d=4/6 74LS04 +5V SDA< Uc 2 3 4 14 7 330 330 Anode LED LED To TeleText PCB Cathode Gnd< SDA SCL LED Cathodel Anode 12Cindicate.iff TeleText for the Amiga (c) 1993 by JL Development