Description
The FSR406 is a square force-sensitive resistor that changes its resistance based on the applied pressure. The harder you press, the lower the resistance—making it perfect for detecting touch, pressure, and weight in Arduino, ESP8266/ESP32, and robotics projects.
⚙️ Specifications
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Sensor Type: Force Sensitive Resistor (FSR)
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Sensing Area: Square pad
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Force Range: ~100g to 10kg (approx.)
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Resistance:
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No pressure: >1MΩ
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With pressure: decreases proportionally
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Thickness: Ultra-thin and flexible
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Response Time: < 3 microseconds
🔌 Connection
Works as a variable resistor in a voltage divider circuit with an analog input.
💡 Key Features
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Detects pressure, touch, and weight
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Thin, flexible, and lightweight
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Easy analog reading with microcontrollers
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Durable and long lifecycle
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Simple integration in DIY projects










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