A Water Sensor Circuit for the Tree


Combine a simple circuit with a tree ornament for a helpful water-level monitor.

from Science Buddies Blog http://ift.tt/2i0G3aB
Combine a simple circuit with a tree ornament for a helpful water-level monitor.

from Science Buddies Blog http://ift.tt/2i0G3aB
Libellés :

Aucun commentaire:

Enregistrer un commentaire

Inscription à : Publier les commentaires (Atom)