Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | Resistive Thin-Film |
| Active Area Diameter | 12.7 mm (0.5 inch) |
| Force Range | 0 to 10 kg (approx. 22 lbs) |
| Thickness | < 0.45 mm |
| Operating Temperature | -40°C to +85°C |
| Interface | Analog Resistance Output |
| Substrate Material | Flexible Polyester (PET) |
| Termination Style | 0.1 inch Pitch PCB Tail |
| Response Time | < 10 microseconds |
| Typical Application | Robotics, HMI, Medical Devices |
Anonymous
Mar 30, 2026
Rating: 5/5
Reliable and durable
I have been cycling these sensors thousands of times in a prototype keyboard switch, and they show no signs of degradation. The build quality is excellent for the price point.
Anonymous
Mar 23, 2026
Rating: 5/5
Consistent performance batch to batch
Ordered fifty units for a production run. The variance between individual sensors is minimal, which saved us a lot of time on individual unit calibration. Excellent product.
Anonymous
Mar 22, 2026
Rating: 4/5
Good value for rapid prototyping
Fast shipping and the sensors arrived in perfect condition. They are ideal for proof-of-concept designs. The resistance drop is smooth, making analog reading straightforward.
Anonymous
Mar 10, 2026
Rating: 5/5
Essential for our competition bot
We used these for our line-following robot's bumpers. They detect contact instantly and are much more robust than mechanical switches. Highly recommended for student projects.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for robotic gripper feedback
These sensors are incredibly responsive and easy to integrate into my Arduino-based robotic arm project. The force curve is consistent, allowing for precise pressure control when handling delicate objects.
Anonymous
Mar 03, 2026
Rating: 4/5
Great sensitivity, needs calibration
The module works exactly as described. It is very thin and flexible, fitting perfectly into tight spaces. Just note that you will need to write a calibration routine in your code to get linear readings across the full range.
Q: Can this sensor be used directly with a 5V microcontroller without extra components?
A: The FSR402 is a variable resistor. To interface it with a 5V microcontroller, you typically need to create a voltage divider circuit using a fixed pull-down or pull-up resistor (usually 10kΩ) to convert the resistance change into a readable voltage.
Q: How does temperature affect the reading?
A: Like most resistive sensors, there is a slight temperature coefficient. For applications requiring high precision across wide temperature swings, we recommend implementing software compensation based on the operating environment data provided in the datasheet.
Q: Can I cut the sensor to make it smaller?
A: No, you should never cut the active area of the FSR402. Cutting the polymer layers will destroy the circuitry and render the sensor non-functional. You can only trim the non-active polyester tail if necessary for cable management.
Q: What is the maximum force this sensor can withstand before breaking?
A: While the effective sensing range is up to 10 kg, the sensor can physically withstand significantly higher forces. However, exceeding the rated range may result in non-linear readings or potential long-term drift. We recommend staying within the 0-10 kg range for optimal accuracy.
Q: Is the tail connector compatible with standard breadboards?
A: Yes, the termination tail has a 0.1 inch (2.54 mm) pitch, which is standard for most solderless breadboards and 0.1 inch header connectors.
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