The code behind JAK will be accessible online here.
JAK is programmed in Python.
# Configure min and max servo pulse lengths
neckRight = 325 # Min pulse length out of 4096
neckLeft = 425 # Max pulse length out of 4096
eyeLidBottomPin = 5
# Configure min and max servo pulse lengths
eyeLidBotUp = 320
eyeLidBotDown = 230
mouthPin = 6
# Configure min and max servo pulse lengths
mouthUp = 225
mouthDown = 450
neckRightLeftPin = 7
# Configure min and max servo pulse lengths
neckRight = 325 # Min pulse length out of 4096
neckLeft = 425 # Max pulse length out of 4096
headUpDownPin = 8
headUp = 400
headStop = 413
headDown = 424
# lEyeU-D = 0
# rEyeU-D = 1
# rEyeL-R = 2
# lEyeL-R = 3
# topEyelid = 4
# Servo range = 350(open) - 435(closed)
# botttomEyelid = 5
# Servo range = 225(open) - 310(closed)
# mouth = 6
# neckL-R = 7
# headU-D = 8