You can hook it directly to a PC serial port. Here is the note on it: 1.Controls eight hobby (R/C) servos. 2.Opto input takes RS-232, -422,-485, CMOS and TTL. 3.Baud rate configurable for 2400 or 9600. 4.Addressable up to 32 controllers on one port. (...) (29 years ago, 22-May-96, to lugnet.robotics.handyboard)
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