The “poor man’s” accelerometer/motion sensor! These spring-vibration switches are low sensitivity non-directional vibration induced trigger switches. Inside is a stiff 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 wearables!

We also have a version with a less stiff spring which makes it a little easier to trigger, and a version with a very soft spring which makes it much easier to trigger!

Technical Details

Electrical characteristics:

• Maximum Voltage: 12V
• Contact Resistance: <10 ohm
• Contact Time: 2 ms
• Maximum Current: 20mA
• Insulation Resistance: >10M ohm
• Temperature Range: -40 to 80C
• Operating lifespan: 100,000 cycles

• Diameter: 5mm/0.2″
• Height (w/ pins): 21mm/0.8″
• Height (w/o pins): 11mm/0.4″
• Weight: 0.30g