About this item

⚡ ACS712 Hall Effect Current Sensor Module – 5A

The ACS712 – 5A module is a Hall effect–based current sensor designed to measure AC and DC currents with electrical isolation and good accuracy.
It is widely used in Arduino, ESP32, Raspberry Pi projects for energy monitoring and circuit protection.

🛡️ Features & Advantages

• ⚡ AC and DC current measurement
• 🧲 Hall effect technology with galvanic isolation
• 🔌 Low internal resistance (low power loss)
• 📈 Proportional analog output
• 🧰 Ready-to-use module for rapid prototyping

📦 Technical Description

• 🧩 Sensor: ACS712ELC-05B
• ⚡ Current range: ±5 A
• 🔌 Supply voltage: 5 V DC
• 📈 Output: analog (centered at Vcc / 2)
• 🎯 Sensitivity: ~185 mV/A
• 🔒 Isolation voltage: up to 2.1 kV RMS (sensor dependent)
• 🌡️ Operating temperature: -40 °C to +85 °C

🛠️ Applications

• 🔋 Current and power monitoring
• 🤖 Arduino, ESP32, Raspberry Pi projects
• 🔌 Overcurrent detection
• 🧪 Electronics experiments and education
• ⚙️ Power supplies and power systems

⚠️ Usage Notes

• ❗ Output is centered at 2.5 V with no current
• 🔧 Software or hardware filtering is recommended
• 🛡️ Do not exceed the rated current range

✨ Key Features

• ⚡ AC/DC current measurement up to ±5 A
• 🧲 Isolated Hall effect sensor
• 📈 Proportional analog output
• 🔌 5 V power supply
• 📦 Ideal for current sensing and protection