The Sparkfun Small Force Sensitive Resistor is a compact yet powerful device that can vary its resistance based on the pressure applied to its active sensing area. With a sensing area diameter of 4mm, the resistance of this Interlink Electronics FSR can range from over 1MΩ when no pressure is applied, to as low as 2.5kΩ with full pressure.
This force sensitive resistor is designed with user convenience in mind. It features two pins extending from its bottom with a pitch of 2.54mm, making it compatible with breadboards. This design feature makes it an ideal choice for projects that require a simple yet effective pressure-sensing component.
While these sensors are excellent for detecting pressure and can sense when they are being squeezed, they are not designed to function as highly accurate scales. Nevertheless, they are perfect for projects that require a basic understanding of pressure changes rather than precise measurements.
The Sparkfun Small Force Sensitive Resistor is a versatile device with a wide range of applications. It can be activated with a force as low as 2 grams and has a broad force sensitivity range of 0.1N - 10N. The overall length of the device is 4.445cm, and the width is 0.7112cm. The sensing area is 0.762cm.
To ensure the optimum use of this device, Sparkfun provides a comprehensive range of supporting documents including a datasheet for the 400 FSR model, a hookup guide, and an FSR integration guide. These resources provide valuable insights into the capabilities and potential applications of the force sensitive resistor.