The ACS712-5A current sensor is widely used for measuring AC and DC current in electronics projects. It uses Hall Effect technology for isolation between the sensor and the measured circuit. Its analog output can easily interface with Arduino and similar microcontrollers, making it perfect for robotics, motor monitoring, and battery management applications.
FAQs
Q1: What is the current measurement range?
±5A.
Q2: Does it work with Arduino?
Yes, analog voltage output can be directly read by Arduino analog pins.
Q3: Can it measure both AC and DC?
Yes, the sensor supports AC/DC current measurement.
Specification Table
| Parameter | Value |
|---|---|
| Current Range | ±5A |
| Output Type | Analog voltage |
| Operating Voltage | 5V DC |
| Sensitivity | 185 mV/A |
| Applications | Motor control, Battery monitoring, Robotics |
| Module Size | ~28 × 18 mm |






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