I/O Selectric project Jul 28, 2014 19:32:27 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Lawrence on Jul 28, 2014 19:32:27 GMT Photos of my I/O Selectric are here: www.flickr.com/photos/ljw/sets/72157632841492802/The serial interface uses an Arduino Mega 2560, a TTL-to-RS232 converter, and additional interface circuitry. See github.com/ibm2030/IOSelectric for the Arduino program and a circuit diagram.Videos of the typewriter in operation are here and here.