Flexiforce Pressure Sensor - 25lbs (1" area) (Discontinued)

SKU:SEN0136 Brand:Sparkfun
Categories: All Products

This product has been retired from our catalog and is no longer for sale. This page is made available for those looking for specification and documents.

Expected Restock Date: [[restockDate]]


 Note: Flexiforce Pressure Sensor - 25lbs (1" area) is discontinued now, we recommend Flexiforce Pressure Sensor - 1lb as a replacement.
This is a piezoresistive force sensor. The harder you press, the lower the sensor's resistance. Pressing hard, the resistance changes from infinite to ~50k. The sensor itself is thin and flexible, 


but the resistance does not change while being flexed. Resistance changes only when pressure is applied to the round area at the end of the sensor. This sensor is commonly used as a presence sensor (someone standing), 


weight sensor, pressure sensor (impact testing), etc.
The overall length is about 2.25". The sensor comes with a 0.1" spaced, reinforced, breadboard friendly connector.This sensor ranges from 0 to 25lbs of pressure.


  • Detect and measure a relative change in force or applied load
  • Detect and measure the rate of change in force
  • Identify force thresholds and trigger appropriate action
  • Detect contact and/or touch


  • Greater flexibility
  • Superior linearity & accuracy (±3%)
  • Wide range of forces
  • Connector 2-pin Male Square Pin
  • Pin Spacing 2.54 mm (0.1 in.)
  • Constant load of 25 lb (111 N)
  • Sensing Area 25.4 mm (1 in.) diameter
  • Size: 56.8x31.8mm


Shipping List

  • Flexiforce Pressure Sensor - 25 lbs (1" area) x1