Hi just did mine a few weeks ago ...someone posted this image for me .....

it is 7.....VCC and GND are always common ( or can be) AFAIK

it is important to determine the type of magnets you have as it seems the Seller of these Boards is Shipping ANY magnet they have in stock ,
not the diametrically magnetised ones needed (best) as Barra just found out above and Penzija before that.

Attached Files TLE_5010_arduino_pro_micro.jpgMagnetic Poles.jpg

My FLCS+TQS Conversion here on SimHQ

http://simhq.com/forum/ubbthreads.php/topics/4324940/1