Original WCS1500 Hall Effect based Current Sensor (0-200A)

⚡ WCS1500 Hall Effect Current Sensor
🧩 Overview
Non-invasive current sensor (no wire cutting required)
Based on Hall Effect principle
Measures both AC and DC current
Suitable for high-current applications (up to 200A)
Compatible with Arduino, ESP32, Raspberry Pi
⚙️ Working Principle
Current-carrying wire passes through built-in hole (9mm)
Current generates a magnetic field
Internal Hall sensor detects magnetic field
Converts it into proportional analog voltage output
👉 No direct electrical contact with measured circuit
📊 Key Specifications
🔹 Current Range: 0 – 200A
🔹 Operating Voltage: 3V – 12V
🔹 Output Voltage: Analog (centered at 2.5V at 0A)
🔹 Sensitivity: ~11 mV/A
🔹 Supply Current: 3.5 – 6 mA
🔹 Bandwidth: ~23 kHz
🔹 Through Hole Diameter: 9 mm
🔹 Temperature Range: -20°C to 125°C
🔌 Pin Configuration
🔴 VCC → 3–12V
⚫ GND → Ground
🟡 OUT → Analog voltage output
🔄 Features
Non-contact current measurement
Measures AC + DC current
High current capability (up to 200A)
Electrical isolation between circuit and sensor
Easy installation (just pass wire through hole)
🛠️ Applications
Power monitoring systems ⚡
Motor control & protection
Battery management systems 🔋
Overcurrent detection ⚠️
Smart energy meters
⚠️ Usage Tips
Ensure wire fits within 9mm hole
Keep sensor away from external magnetic interference
Calibrate zero offset (2.5V at 0A)
Use ADC averaging for stable readings
Avoid exceeding rated current
✅ Advantages
Safe (no direct electrical contact)
Works for both AC and DC
Simple to install
High current measurement capability
⚠️ Limitations
Lower accuracy compared to precision sensors
Requires calibration for accurate readings
Sensitive to external magnetic fields
Analog output → needs ADC processing
🔍 Summary
A Hall-effect based non-invasive current sensor
Measures 0–200A AC/DC current
Outputs analog voltage centered at 2.5V
Ideal for high-current monitoring and power systems