fidget spinner jucaria momentului asa ca ne-am gandit la..... fidget spinner generator :)
https://www.youtube.com/watch?v=Qc1fk5bMAV4 (https://www.youtube.com/watch?v=Qc1fk5bMAV4)
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in varianta fidget spinner generator 2 am folosit un singur magnet (sub fidget spinner, fix ), aceeasi bobina ca cea de mai sus si un led
https://www.youtube.com/watch?v=dc5Kiq-984Q