Ive bought 6 of the 4030 boards from keling, and created some better diagrams and info sheets for them.
here:
http://www.robertguyser.com/download...iles/index.php
incidently, these same modules with a different silkprint are also available from circuitspecialists.com for roughly the same price...I would like to know more about these products. anyone got any leads?
Robert