Testing of my first small linear motor with four coils and a shaft of 16 neodynium magnets. Controlled by an ATtiny44.

Pics:
http://fs5.directupload.net/images/user/160115/fe4x6c8d.jpg
http://fs5.directupload.net/images/user/160115/h5dlqumd.jpg
http://fs5.directupload.net/images/user/160115/ysr5y4ud.jpg
http://fs5.directupload.net/images/user/160115/5cjgqw3h.pdf