 | Self-powered light source using the solar cell and LED :). LED light bulb - solar cell loop. Simply free energy. | From:Deirones Views:41531   256ratings |
| Time:03:07 | More inScience & Technology |
Self-powered light bulb
Written By hahasat on mardi 24 décembre 2013 | 10:50
Libellés :
light,
Selfpowered
Articles
0 commentaires:
Enregistrer un commentaire