How to Use Techtonics GSR Galvanic Skin Response Module Current Sensor Kit V2.0: Examples, Pinouts, and Specs

Introduction

The Techtonics GSR Galvanic Skin Response Module Current Sensor Kit V2.0 is a specialized sensor designed to measure changes in skin conductivity, which occur due to variations in emotional or physiological arousal. This module detects the electrical conductance of the skin, which is influenced by sweat gland activity and is commonly used as an indicator of stress, excitement, or other emotional states.

This module is widely used in:

• Biofeedback systems: To monitor stress levels and provide real-time feedback for relaxation techniques.
• Wearable technology: For tracking emotional states in fitness and health monitoring devices.
• Research and education: In psychology, neuroscience, and human-computer interaction studies.
• Gaming and entertainment: To create immersive experiences by integrating emotional feedback.

Explore Projects Built with Techtonics GSR Galvanic Skin Response Module Current Sensor Kit V2.0

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!

Arduino Nano-Based Health Monitoring System with Wi-Fi and GPS

This circuit is a sensor-based data acquisition system using an Arduino Nano, which collects data from a GSR sensor, an ADXL377 accelerometer, and a Neo 6M GPS module. The collected data is then transmitted via a WiFi module (ESP8266-01) for remote monitoring. The system is powered by a 12V battery, which is charged by a solar panel.

Open Project in Cirkit Designer

Arduino UNO R4 WiFi-Based Health Monitoring System with OLED Display

This circuit is designed for a health monitoring device that measures temperature, heart rate, and galvanic skin response (GSR). It uses an Arduino UNO R4 WiFi as the central microcontroller, interfacing with a BME/BMP280 sensor for temperature, a MAX30100 sensor for heart rate and oxygen saturation, and a GSR sensor for skin conductivity. The circuit includes a 0.96" OLED display for output, a TP4056 module for battery charging, a toggle switch for power control, and a polymer lithium-ion battery for power supply.

Open Project in Cirkit Designer

Arduino UNO Based Health Monitoring System with GSM Reporting

This circuit is designed for a health monitoring system that measures temperature, heart rate, galvanic skin response (GSR), and muscle activity (EMG). It uses an Arduino UNO as the central processing unit, interfacing with a DHT22 temperature and humidity sensor, an AD8232 heart rate monitor, a GSR sensor, a Myoware muscle sensor, and a SIM800L GSM module for communication. The system can control a relay for a steam generator, sound a buzzer, and display data on an I2C LCD screen, with the ability to send SMS alerts based on sensor readings.

Open Project in Cirkit Designer

Arduino-Based Health Monitoring System with GSM and LCD Display

This circuit is a health monitoring system that uses an Arduino UNO to collect data from various sensors including a GSR sensor, an ECG sensor, a DHT22 temperature and humidity sensor, and a Myoware muscle sensor. The data is displayed on an I2C LCD and sent via a SIM800L GSM module. Additionally, the system controls a relay for a steam generator and includes a buzzer and LED for alerts.

Open Project in Cirkit Designer

Technical Specifications

The following table outlines the key technical details of the Techtonics GSR Module:

Pin Configuration

The module has a simple 3-pin interface for easy integration into circuits. The pin configuration is as follows:

Usage Instructions

Connecting the Module

1. Power the module: Connect the VCC pin to a 3.3V or 5V power source and the GND pin to the ground of your circuit.
2. Read the output: Connect the OUT pin to an analog input pin of a microcontroller (e.g., Arduino UNO) to read the sensor's output signal.
3. Attach electrodes: Place the included electrodes on the skin (e.g., fingers or palm) to measure skin conductance. Ensure the electrodes are securely attached for accurate readings.

Example Circuit with Arduino UNO

Below is an example of how to connect the GSR module to an Arduino UNO:

Sample Arduino Code

The following code reads the analog output from the GSR module and displays the values in the Serial Monitor:

// Define the analog pin connected to the GSR module
const int GSR_PIN = A0;

void setup() {
  // Initialize the serial communication at 9600 baud rate
  Serial.begin(9600);
}

void loop() {
  // Read the analog value from the GSR module
  int gsrValue = analogRead(GSR_PIN);

  // Print the GSR value to the Serial Monitor
  Serial.print("GSR Value: ");
  Serial.println(gsrValue);

  // Add a small delay to stabilize readings
  delay(500);
}

Best Practices

• Electrode placement: Ensure the electrodes are placed on clean, dry skin for accurate measurements. Avoid areas with excessive hair or oil.
• Avoid noise: Keep the module and wires away from high-frequency noise sources to prevent interference.
• Calibration: The output values may vary between individuals. Perform a baseline calibration for each user to interpret the readings effectively.
• Power supply: Use a stable power source to avoid fluctuations in the output signal.

Troubleshooting and FAQs

Common Issues and Solutions

FAQs

1. Can this module be used with a 3.3V microcontroller?
   Yes, the module operates within a voltage range of 3.3V to 5V, making it compatible with 3.3V systems like ESP32 or Raspberry Pi Pico.

2. What is the typical range of GSR values?
   The output range depends on the individual's skin conductance. For a 10-bit ADC, values typically range from 0 to 1023, with higher values indicating higher conductance.

3. How do I interpret the GSR readings?
   GSR readings are relative and should be interpreted based on a baseline measurement. Sudden increases in values often indicate emotional arousal or stress.

4. Can I use this module for medical purposes?
   This module is intended for educational and experimental purposes only. It is not certified for medical diagnostics or treatment.

By following this documentation, you can effectively integrate the Techtonics GSR Galvanic Skin Response Module into your projects and gain valuable insights into emotional and physiological states.