serial port servo control

[Scott David Daniels]

Several have suggested struct, I'd suggest you look at array:
     import array
     v = array.array('B', [1, 2, 3])
     for i in range(17):
         v[i % 3] *= max(1, i // 3)
     v.tostring()

--Scott David Daniels
scott.daniels at acm.org