Model 1
1. coil without core - inside a syncronous motor 230 V ( A4 laminators and mirowaves turntable motor)
2. led
3. fidget spinner
4. 3 neodymium magnets
https://www.youtube.com/watch?v=Qc1fk5bMAV4
Model 2
1. coil without core - inside a syncronous motor 230 V ( A4 laminators and mirowaves turntable motor)
2. led
3. fidget spinner
4. 1 neodymium magnet ( under the fidget spinner , which is not moving )
https://www.youtube.com/watch?v=dc5Kiq-984Q
and an improved model using 3 neodymium spheres 13 mm and a coil iron-less
https://www.youtube.com/watch?v=_Rmx3q_qLt4 (https://www.youtube.com/watch?v=_Rmx3q_qLt4)
Thank you!