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GSR Skin Current Sensor V2.0 for Real-time Stress & Emotion Monitoring

GSR Skin Current Sensor V2.0 for Real-time Stress & Emotion Monitoring

₹1,179.00Price

🧠 GSR Skin Current Sensor V2.0

Emotion • Stress • Biofeedback Sensor

🖼️ Infographic Overview

┌─────────────────────────────────────────────┐
│ GSR SKIN CURRENT SENSOR V2.0 │
├─────────────────────────────────────────────┤
│ 📊 Measures : Skin Conductance (EDA) │
│ ⚡ Voltage : 3.3V – 5V │
│ 🔌 Output : Analog Signal │
│ 🧠 Principle : Sweat → Conductivity │
│ 👆 Electrodes : 2 (finger contact) │
│ 🔋 Current : ~1mA │
│ 📏 Size : ~34 × 25 mm │
│ 🎯 Use : Stress & Emotion Track │
└─────────────────────────────────────────────┘

📌 What is GSR Sensor?

The GSR (Galvanic Skin Response) Sensor V2.0 measures electrical conductance of human skin, which changes based on sweat gland activity.

👉 When emotions like stress, excitement, or fear occur:

  • Sweat increases

  • Skin conductivity rises

  • Sensor detects this change

This makes it useful for emotion recognition and stress monitoring systems

⚙️ Working Principle

Finger 1 ──┐
│ Small Voltage Applied
Finger 2 ──┘

Skin Resistance Changes

Current Changes

Analog Output Signal

✔ The sensor applies a tiny safe voltage across the skin
✔ Measures current flow between two electrodes
✔ Converts it into a readable signal

🔬 Scientific Concept

👉 Also called:

  • EDA (Electrodermal Activity)

  • SCR (Skin Conductance Response)

📈 Relationship:

  • More stress → more sweat → higher conductance

  • Relaxed state → dry skin → lower conductance

✔ This is why GSR is used in:

  • Lie detectors

  • Psychological research

  • Biofeedback systems

✨ Key Features

✔ High sensitivity to small physiological changes
✔ Real-time analog output
✔ Low power consumption (~1 mA)
✔ Compact & lightweight design
✔ Easy integration with Arduino / Raspberry Pi
✔ Improved noise stability (V2.0 upgrade)

🔌 Pin Configuration

VCC → 3.3V / 5V
GND → Ground
SIG → Analog Output (to MCU)

📊 Output Behavior

ConditionSkin StateOutput Signal
😌 RelaxedDryLow signal
😰 StressedSweatyHigh signal
😱 ExcitedVery moistHighest

🧠 Smart Capabilities

🔄 Real-Time Monitoring

  • Continuous tracking of emotional state

📉 Biofeedback Ready

  • Can trigger:

    • Alarms

    • LEDs

    • Apps

📊 Data Logging Compatible

  • Works with ADC for graphs & analysis

🛠️ Applications

🔹 Stress monitoring systems
🔹 Emotion detection projects
🔹 Wearable health devices
🔹 Meditation & relaxation tools
🔹 Human-computer interaction
🔹 Gaming & VR feedback systems

⚡ Advantages

✅ Non-invasive measurement
✅ Real-time response
✅ Simple circuit
✅ Low cost
✅ Easy to use for students & research

⚠️ Limitations

❌ Not 100% accurate for emotions (needs AI/data processing)
❌ Affected by:

  • Temperature

  • Skin dryness

  • Movement
    ❌ Requires good electrode contact

🔗 Arduino Connection Example

GSR Sensor → Arduino
VCC → 5V
GND → GND
SIG → A0

👉 Then read analog values:

int gsr = analogRead(A0);
Serial.println(gsr);

📈 Real-Life Insight

GSR is widely used in AI-based emotion recognition systems, where machine learning analyzes patterns to classify emotional states with reasonable accuracy

💡 Pro Tips

✔ Use clean, dry fingers for consistent readings
✔ Apply light pressure on electrodes
✔ Filter noise using:

  • Moving average

  • Low-pass filter

✔ Combine with:

  • Heart rate sensor ❤️

  • Temperature sensor 🌡️

👉 For better emotion detection accuracy

🧾 Summary

The GSR Skin Current Sensor V2.0 is a powerful biometric tool that converts human emotional changes into electrical signals. It’s perfect for:

✔ Stress detection
✔ Biofeedback systems
✔ Wearable tech projects
✔ AI-based emotion analysis

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