Sorry for digging this topic up but is this still a point on your todo-list? Overall, there seems to be an interest here on the board:
- https://www.tinkerunity.org/forum/index.php/topic,4181.msg24600.html
- https://www.tinkerunity.org/forum/index.php/topic,3825.msg22857.html
- https://www.tinkerunity.org/forum/index.php/topic,4412.msg25511.html (own topic )
- https://www.tinkerunity.org/forum/index.php/topic,4049.msg24051.html
- https://www.tinkerunity.org/forum/index.php/topic,4036.msg24007.html
- https://www.tinkerunity.org/forum/index.php/topic,2690.msg17256.html
- https://www.tinkerunity.org/forum/index.php/topic,528.msg2946.html
I would really love using such a brick for robots and other small dc-motor-projects.