Axial Tilt Switch - Ten Pack
Easily detect tilt or motion using these axial tilt switches from PMD Way. Sold in packs of ten.
These work on a simple principle. First, identify the legs - there's a gold-color leg and a silver-color leg. When the gold end (C) tilts down more than ten degrees, the switch is on. When the silver end (A) tilts down more than ten degrees, the switch is off. For example: