Mercury open optical module
SensorsIn Stock

Mercury open optical module

8910011% OFF

Component Technical Specifications

This Mercury Tilt Switch module is an essential component for detecting orientation, vibration, and motion. It utilizes a small mercury droplet within a glass envelope to act as a non-contact switch. When the module is tilted beyond a certain angle, the mercury moves to open or close the electrical circuit, sending a digital signal to your microcontroller. Compact and highly sensitive, it is perfect for anti-theft alarms, smart toys, and orientation-aware robotics.

Sensor TypeMercury Tilt Switch (Ball-in-Tube).
Operating Voltage3.3V to 5.5V DC.
Operating Current~0.3mA.
Output SignalDigital (0 or 1).
Level/HorizontalCircuit is closed (Signal Low).
TiltedMercury moves, opening the circuit (Signal High).
Onboard ComponentsIncludes a 680Ω resistor and a status LED that triggers when the tilt is detected.
DurabilityHigh-strength PCB with a fixed bolt hole for easy mounting.
Pin Configuration
S (Signal)Connects to the MCU digital input pin.
Middle (VCC)3.3V - 5V Power.
- (GND)Ground.

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