Force sensor FSR-402 - 2kg round 18mm - Pololu 1696

The sensor reduces its resistance as the force applied to the round tip increases. Thanks to this phenomenon and the use of a microcontroller with an analog-to-digital converter, it is possible to construct a sensor measuring the pressure force. The measurement can be displayed e.g. on the LCD display.

With no force applied to the sensor, the resistance is approximately 1 MΩ. The placement of a 20-gram object caused the resistance to drop to 50 kΩ. During strong pressing of the sensor, the meter showed 200 Ω.

The product is compatible with Arduino

On the web you can find a tutorial with sample code for Arduinoon the bildr website.

• External dimensions: 18.3 x 18.3 x 0.5 mm
• Model: FSR-402
• Range: 0.2 N to 20 N
• Weight: 0.25 g

More details in thedocumentation.

• round 5 mm (0.2 ")
• round 18 mm (0.6 ")
• square 38 mm (1.5 ")
• oblong (length 61 cm)

• Manufacturer's website - Pololu # 1696
• Sensor documentation
• User Guide