Tilt Sensor Module SW520

The tilt sensor is a component (switch) that can detect the orientation of an object (upright or not). It is equivalent to a pushbutton activated through its physical orientation. It contains a metallic ball inside that will commute the two pins of the device from CLOSED to OPEN if the sensor exceeds a certain angle and viceversa. Only when the tilt sensor is in its upright position, metallic balls inside the tilt sensor bridges the two contacts, completing the circuit. When the sensor is tilted beyond the sensivity range, the contacts moves away, and thus opens the circuit.

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Description

This SW-520D Vibration Sensor Metal Ball Tilt Switch is sealed in shrink tubing to avoid short circuits. One end of the sensor has two conductive elements (poles). When the sensor is oriented so the leads are downwards, the mass rolls onto the poles and shorts them, acting as a throw switch. While not as precise or flexible as a full accelerometer, roller ball tilt switches can detect motion or orientation simply. Accelerometers, on the other hand, output digital or analog voltage that must then be analyzed with extra circuitry.Switch closes when leads are pointed down