La plate-forme collaborative de bricolages scientifiques et pédagogiques


  • Etape 7

    Fix the watch stand on the board with double sided foam tape.


    Strip on the entire length the 2 electrical copper wires and fold them in three.


    Strip the end of the two wires connected to the watch. Wrap one of the them around a copper wire and the other one around a piece of galvanized metal (zinc).

    Taille originale

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