Force Sensor Resistor 0.5″ 14.7mm

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Working Principle

Description

This force-sensitive resistor (FSR) varies its resistance based on the amount of force applied to its sensing area. The resistance decreases as the force increases. When no force is applied, the resistance exceeds 1MΩ.

Sensor Types

Force-Sensitive Resistor

Dos And Donts

Donts

  • Use As Precise Scale: Avoid using the sensor as a precise measuring scale due to its general lack of accuracy.,
  • Expose To Extreme Forces: Do not expose the sensor to forces beyond its specified range (100g to 10kg) to avoid damage.,
  • Ignore Environmental Factors: Consider environmental factors that might affect the sensor's performance, such as humidity and temperature.

Dos

  • Use With Adc: Connect the sensor with an Analog to Digital Converter (ADC) for interfacing with microcontrollers like Arduino or Raspberry Pi.,
  • Setup Voltage Divider: Set up a voltage divider by connecting a resistor to the sensor and measure the voltage at the junction to determine the force applied.,
  • Check Compatibility: Ensure the sensor's pin spacing is compatible with your breadboard or development board (0.1" pitch).,
  • Peel And Stick Mounting: Utilize the peel-and-stick rubber backing for easy mounting on various surfaces.
Limits

Durability

The sensor is robust, capable of up to 10 million actuations.

Force Range

The sensor can detect forces from 100 grams up to 10 kilograms.

How To Connect

Microcontroller Interfaces

  • Description: Use digital interfaces capable of reading analog signals, such as ADC modules on Arduino or Raspberry Pi.

Voltage Divider Setup

  • Description: Connect a resistor in series with the FSR. Measure the voltage across the resistor with an ADC connected to a microcontroller to determine the force based on the change in resistance.
Dimensions

Overall Dimensions

Length: 60 mm, Width: 25 mm, Diameter: 18 mm

Sensing Area Diameter

14 mm

Shipping Weight And Dimensions

Weight: 0.005 kg, Dimensions: 10 × 5 × 2 cm

Weight

2 grams