Lost child bell

摘要

Topic The person who has been attached to the body long haul, offers the lost child belt which can lighten the psychological pain which is by continues hearing generation sound.SolutionsThe circuit 1 which to the pet bottle, it fetched from the alarm clock, generates electronic sound and speaker 2 and sunuzusuitsuchi 3 is locked, electronic sound is generated by the fact that the cap of the pet bottle is closed, solves topic speaker 2 from those of 0.25W which is the canonical speaker of the alarm clock, by changing into those of 0.5W. Choice figure Drawing 1