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Bend it, Stick it & Make it Move with Magnets! Flat or curved, just stick a CoilPad onto any smooth surface, add a magnet, and watch it swing. You can also hack it into the thin buzzer, micro-heater or metal-detector!

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Pack of
Magnet

Stick it, Actuate it

Transform any smooth surface into a tiny actuator or buzzer with the world’s thinnest coil!

It's flexible, sticks easily, and works with magnets to bring your projects to life.

Things You Can Build

Get Started with Tutorials

Easily learn how to control its magnetic field

Learn More

Specifications

Electrical:

  • Resistance: 24Ω ± 6
  • Inductance: 30.7uH ± 2
  • Peek Magnetic Field Strength: 2.7mT
  • Maximum Power: 1W
  • Maximum Steady Voltage: 4.5V
  • Maximum Pulsed Voltage: 5V
  • Maximum Operating Temperature: 100°C

Mechanical:

  • Dimensions: 17x19mm
  • Thickness: 0.1mm
  • Weight: 0.08 grams
  • Connector Pitch: 2.54mm
3D Model

Notes:

  • Take caution when using the CoilPad - depending on the application, it might heat up to 100°C. Keep hands away from hot regions to prevent injury.
  • The force produced by a CoilPad depends on the mechanical elements of your project, as well as the weight and strength of your magnet.
  • For smooth organic motions, we recommend using silicone-insulated wires & our PWM Arduino library.
  • The adhesive used on the backside is 3M467. It’s cover can be peeled off using a pair of tweezers. Always clean the surface before sticking the actuator and it is very important to peel-off the cover before powering on the coil, otherwise the adhesive-cover might get damaged. The coil can be sticked on a curved surface, with a 18mm maximum bending radius.
  • The magnetic field strength of the CoilPad can be roughly doubled by placing iron or steel underneath it.
  • CoilPad was previously known as the Sticker Actuator.
  • This electronics kit is ROHS Compliant & follows IPC-A-600 II standard.
  • Please note that the CoilPad is intended to be used as a DIY maker kit. For commercial purposes, please get in touch.

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