# FireFly electronics (2011–2012) - Arduino Mega 2560 (`09949-02.jpg`, SparkFun DEV-09949) - Lynxmotion SSC-32 servo controller (`ssc-32-500.jpg`), on the Mega's `Serial1` - 18 leg servos on SSC-32 channels 0–8 and 16–24, a head servo on channel 9 with an ultrasonic sensor (2012) - IR receiver on pin 5, GPS on `Serial2` (2012) - `Layout Hexapod.jpg`: layout sketch (April 2012) - still to document (2016 note): servos, battery, BEC