Use an SW-520D ball-type tilt switch in a stationary bench model to explore head-angle alerts, never as a driving safety device.
Engineering approach
Use an SW-520D ball-type tilt switch in a stationary bench model to explore head-angle alerts, never as a driving safety device.
Implementation guidance
Mount the sensor on a benchtop hinge or mannequin fixture, debounce the contact, require the angle state to persist, and provide a reset. Do not attach prototype wiring to a person in a moving vehicle.
Scope and limitations
A single tilt switch cannot reliably detect fatigue and can create false alarms or false confidence. Fatigued drivers must stop in a safe place and rest; this prototype must never be used on the road.
Choose the required components and verify their specifications in the Juthour Tech store.
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