FSR402 Round Force Sensor

Force-sensitive resistor – resistance decreases with applied pressure
12.7mm round sensing area for compact integration
Thin and flexible – fits easily into tight or curved spaces
Compatible with analog input on Arduino, Raspberry Pi, ESP32, etc.
Detects touch, weight, and pressure from ~0.2N to 20N
Fast response time – <1 millisecond activation

SKU: EK1411 Categories: Load / Pressure / Force / Flex Sensor, Sensors Tags: Load / Pressure / Force / Flex Sensor, Sensors

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Description

The Grove-Round Force Sensor(FSR402) is a force-sensitive module. At the end of the sensor, there is a round force-sensitive resistor, the resistance of which depends on the pressure applied to this resistor. Simply say, the greater the pressure, the smaller the resistance. However, the output of this sensor is not strictly linear, so we do not recommend it for accurate measurements.

Application:

Automotive electronics
Medical Systems
Industrial controls
Robotics
Interactive Educational Toy

Features:

Analog output
Reliable mechanical structure
High durability：Tested to 10 Million actuations, 1kg, 4Hz / -10% average resistance change

Package Includes:

1x Round Force Sensor (FSR402)

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Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
FSR402	Leg 1/Leg 2	to board analog pin (divider) / one leg to 3.3-5V, other + fixed resistor to GND

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FSR402 Round Force Sensor

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

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FSR402 Round Force Sensor - Arduino Uno

FSR402 Round Force Sensor - Arduino Nano

FSR402 Round Force Sensor - Arduino Mega

FSR402 Round Force Sensor - ESP32

FSR402 Round Force Sensor - ESP8266

FSR402 Round Force Sensor - STM32

FSR402 Round Force Sensor - Raspberry Pi Pico

📄 File: fsr402_round_force_sensor_-_arduino_uno.inoArduino Uno

473 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Uno. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

📄 File: fsr402_round_force_sensor_-_arduino_nano.inoArduino Nano

474 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Nano. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

📄 File: fsr402_round_force_sensor_-_arduino_mega.inoArduino Mega

474 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on Arduino Mega. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 5.0 / 1023.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

📄 File: fsr402_round_force_sensor_-_esp32.inoESP32

467 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin 34 on ESP32. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN 34

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

📄 File: fsr402_round_force_sensor_-_esp8266.inoESP8266

469 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin A0 on ESP8266. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN A0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 3.3 / 1023.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

📄 File: fsr402_round_force_sensor_-_stm32.inoSTM32

469 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin PA0 on STM32. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN PA0

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

📄 File: fsr402_round_force_sensor_-_raspberry_pi_pico.inoRaspberry Pi Pico

479 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Analog pin 26 on Raspberry Pi Pico. Wire the sensor in series with a fixed resistor (voltage divider) - resistance drops as force/bend increases.

6#define SENSOR_PIN 26

8void setup() {

9 Serial.begin(115200);

10}

12void loop() {

13 int raw = analogRead(SENSOR_PIN);

14 float voltage = raw * 3.3 / 4095.0;

16 Serial.print("Raw: "); Serial.print(raw);

17 Serial.print(" Voltage: "); Serial.println(voltage);

19 delay(200);

20}

Project Notes:

FSR402 force-sensitive resistor - resistance decreases with applied force. Wire in a voltage divider.

نظرة عامة ومواصفات المنتج — بالعربية

FSR402 Round Force Sensor متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Load / Pressure / Force / Flex Sensor وSensors، بسعر 520,00 EGP. كود المنتج لدينا: EK1411. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

Sensing Area: 0.5" diameter circle
Output Signal: Passive variable
Force Sensitivity Range: 100 g to 10 kg
Lifetime: >10 million actuations
Sensing Diameter: 0.5"
الوزن: 6 g

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Load / Pressure / Force / Flex Sensor في إكوسترا.

Specification

WeightWeight	6 g
Dimensions	3 × 2 × 1 cm
sensing-area	0.5″ diameter circle
output-signal	Passive variable
force-sensitivity-range	100 g to 10 kg
lifetime	>10 million actuations
sensing-diameter	0.5″

Customer Reviews

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