Force Sensitive Resistor for Arduino Projects

The harder the force, the lower the resistance

SKU: TA0255

RRP $39.95
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Force Sensitive Resistor for Arduino

The harder the force, the lower the resistance

This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance.

3 Month Warranty

Picture of How to Use a Force Sensitive Resistor - Arduino Tutorial

Below is how to use an FSR - Force Sensitive Resistor with Arduino to fade an LED. This sensor is a variable resistor just like a photocell or flex sensor. The resistance changes by applying pressure on it.

Step 1: What You Will Need

Picture of What You Will Need

For this tutorial you will need:

  • Arduino uno
  • Breadboard
  • Force sensitive resistor
  • LED
  • 10KOhm & 220 Ohm resistors
Step 2: The Circuit
Picture of The Circuit

See the image above for wiring connections with the breadboard circuit schematic.


Step 3: The Code

Below is the code using Codebender!

Try downloading the Codebender plugin and clicking on the "Run on Arduino" button to program your Arduino board with this sketch. And that's it, you've programmed your Arduino with this sketch.

How it works:

  • Read analog value from flex sensor 
    :: value=analogRead(sensorPin);
  • Map analog values 0-1023 to PWM values 0-255 
    :: value = map(value, 0, 1023, 0, 255);
  • Send pwm value to led 
    :: analogWrite(ledPin, value);

You can make your own modifications to the code by clicking the "Edit" button.


Step 4: Well Done!

Picture of Well Done!


SKU TA0255
Barcode # 9351634004287
Brand iduino
Shipping Weight 0.0200kg
Shipping Width 0.140m
Shipping Height 0.020m
Shipping Length 0.090m
Shipping Cubic 0.000252000m3
Unit Of Measure ea

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