shop/ force, level & density sensors/ sparkfun flexiforce pressure sensor 100lbs -

Measure Pressure with a Compact Sensor Module

The Flexiforce Pressure Sensor - 100lbs is a flex sensor designed for barometric logging, tank checks, and fluid system monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Size: 216x14mm (8.5x0.55").

Why you’ll love it

  • Detect contact and/or touch: Detect contact and/or touch
  • Key feature: Flexiforce Pressure Sensor - 100lbs x1
  • Current draw: 2.5mA
  • Compact size: 216x14mm (8.5x0.55")
  • Useful spec: < 5 ms
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics

Compare with similar products

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Flexiforce Pressure Sensor - 100lbs flex sensor Current item
Flexiforce Pressure Sensor - 1lb flex sensor pressure sensing
Water Pressure Sensor Analog Gravity environmental sensor with analog output analog output, pressure sensing
Air Barometric Pressure Sensor Digital 3.3-5V Liquid Water Level Controller liquid level sensor with digital output digital output, gas detection

What you can build

This sensor is a good fit for altitude loggers, barometers, pump systems, tank pressure checks, and weather stations.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard or jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include tubing, adapters, and a display or logger, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Flexiforce Pressure Sensor - 100lbs
Max working current 2.5mA
Size 216x14mm (8.5x0.55")
Response time < 5 ms
Category pressure sensors

Wiring & usage notes

Check the pin labels on the Flexiforce Pressure Sensor - 100lbs and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module.

What’s in the box

1 × Flexiforce Pressure Sensor - 100lbs

Frequently Asked Questions

What does the Flexiforce Pressure Sensor - 100lbs measure? It is designed to measure pressure.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

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Notes from the bench

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Ask the community

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