Mercury Tilt Switch - Pack of 10pcs - 4mm x 35mm - Digital Output
The Mercury Tilt Switch is a simple, gravity-activated sensor providing a digital on/off signal, compatible with 3.3V and 5V logic systems like Arduino, Raspberry Pi, and other microcontrollers for basic tilt and orientation detection.
Features
- Digital switching output (0 or 1) for easy microcontroller integration.
- Compact 4mm diameter, 35mm length glass envelope construction.
- Operates on a wide 3.3V to 5V DC power supply.
- Sealed mercury contact design prevents oxidation and ensures reliable switching.
- Pack of 10 units for prototyping and multi-point sensing applications.
Out of stock
The Mercury Tilt Switch operates on a fundamental physical principle: a small, free-moving mercury drop within a sealed glass envelope acts as a conductive, gravity-sensitive mass. When the switch is oriented so the mercury drop bridges two internal contacts, the circuit closes, producing a digital HIGH signal. Tilting the switch away breaks this contact, resulting in a digital LOW signal. This provides a simple, non-latching binary state for tilt detection.
Its sealed construction protects the contacts from environmental contaminants like dust and moisture, ensuring long-term reliability without contact oxidation. The low resistance of the mercury drop allows it to handle useful current levels despite its miniature size. This sensor is ideal for basic orientation sensing, limit switches, or alarm triggers in educational projects and simple mechanical systems.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 7 × 8 × 1 cm |
