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JJ2 (circled in red in the photo) is the serial connector.

The connector is a 5 pin connector, with terminals (from top to bottom) GND, NC, RX (input), TX (output), and 3.3V.

The serial protocol is 115200,8N1 with 3.3V levels.

view · edit · print · history · Last edited by krim.
Based on work by krim and rwhitby.
Originally by rwhitby.
Page last modified on September 02, 2010, at 02:34 AM