High-quality materials: The flexible film pressure sensor is made of polyester film with excellent mechanical properties, high-conductivity materials, and nano-scale pressure-sensitive material. The top layer is a flexible film with a pressure-sensitive composite; the bottom layer is a flexible film with printed conductive traces. Ideal for Arduino prototyping, sleep monitoring, smart footwear, pressure switches, counters, medical devices, robotics, and industrial process control.
Durable & stable: Tested with a 6 kg weight impact, rated for millions of cycles. Low drift and tight tolerance: individual sensor resistance ±3%. Activation time <0.01 s; response time <10 ms. Trigger force ≈20 g. Default trigger condition: sensor resistance <200 kΩ. Operating temperature: −40 °C to +85 °C.
Packing: Each plastic box contains 4 film pressure sensors. Thickness ≈0.4 mm. Sensing range: 20 g–6 kg. Built on a flexible PET substrate for conformal mounting on curved or flat surfaces without loss of sensitivity. Sensors are used in series with a fixed resistor; measure the voltage across the fixed resistor: Vout = Vcc * R0 / (R0 + RS) As a rule, choose the fixed resistor R0 ≈ 1/3 to 1/2 of the sensor's application resistance range. Selecting an appropriate fixed resistor can make pressure vs. output voltage approximately linear over a certain pressure range.
Usage instructions: Install the sensor on a solid, flat, and smooth surface. Protect it from sharp objects. Use a cover layer (polycarbonate film or elastomer) for protection. The sensor material is not recommended for direct liquid contact and requires waterproofing if exposed. Overload will not permanently damage the sensor; it will return to normal operation after the load is removed. For designs involving motion, use soft rubber or a spring as part of the trigger mechanism.
Pressure-threshold switch application: A typical threshold switch circuit uses a Wheatstone bridge and a voltage comparator. When pressure increases and the sensor resistance drops below R1, the comparator input U1+ exceeds U1− and the comparator output goes high. The high output can trigger downstream devices (for example, a relay to control LEDs, buzzers, motors, etc.).
وصف
Take your pressure-sensitive projects to the next level with this 4-pack of ultra-thin force-sensitive resistor (FSR) pressure sensors. Designed for high precision and versatility, each sensor detects forces ranging from 20 grams to 6 kilograms, making them ideal for applications requiring subtle touch or pressure feedback. With a rapid response time under 10ms and a durable construction rated for over 1 million cycles, these sensors deliver consistent, real-time performance in both static and dynamic pressure environments. Engineered with a flexible 0.4mm thin-film design, these sensors can be easily embedded in wearables, robotics, smart devices, or industrial systems. They respond to even the slightest pressure changes with minimal hysteresis (+10%) and maintain less than 3% resistance drift over time. Resistant to electromagnetic interference (EMI) and electrostatic discharge (ESD), they ensure stable output even in harsh or high-noise environments. Whether you're working on Arduino-based prototypes, medical equipment, smart textiles, or pressure-triggered controls, this reliable sensor set provides the sensitivity and stability your project demands.
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