Fast Vibration Sensor Switch (Easy to trigger)

Maximum Voltage: 12V
Contact Resistance: &lt;10 ohm
Contact Time: 2 ms
Maximum Current: 20mA
Insulation Resistance: &gt;10M ohm
Temperature Range: -40 to 80ºC
Operating lifespan: 100,000 cycles

$1.51

Part Number: AF-1766
Brand: Adafruit Australia

DescriptionThe "poor man's" accelerometer/motion sensor! These spring-vibration switches are high sensitivity non-directional vibration induced trigger switches. Inside is a very soft spring coiled around a long metal pin. When the switch is moved, the spring touches the center pole to make contact. So, when there's motion, the two pins will act like a closed switch. When everything is still, the switch is open. Great for...

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Adafruit's Description of Fast Vibration Sensor Switch (Easy to trigger)

Description

The "poor man's" accelerometer/motion sensor! These spring-vibration switches are high sensitivity non-directional vibration induced trigger switches. Inside is a very soft spring coiled around a long metal pin. When the switch is moved, the spring touches the center pole to make contact. So, when there's motion, the two pins will act like a closed switch. When everything is still, the switch is open. Great for basic projects and theyarables!

Adafruit also have a version with a slightly stiffer spring which makes it harder to trigger, and a version with a much more stiff spring which is even harder to trigger!