GY-471 MAX471 Current Sensor Module – 3A DC 0–30V Bidirectional Current Measurement for Arduino & Microcontrollers
- ⚡ GY-471 current sensor module based on MAX471
- 🔁 Measures DC current up to 3A (bidirectional sensing)
- 🔋 Supports load voltage range: 0–30V
- 📈 Analog output for easy reading with Arduino/MCU ADC
- 🧩 Ideal for battery monitoring, power profiling, and motor current
- 🛡️ Low insertion loss—minimal impact on the load
- 🛠️ Simple wiring: VIN+, VIN-, VCC, GND, OUT
- ✅ Great for power management and protection projects
165,00 EGP
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Description
The GY-471 MAX471 3A Current Sensor Module is a compact and efficient solution for monitoring DC current and voltage in your projects.
Built around the MAX471 IC, this module provides bidirectional current sensing (both positive and negative currents) and outputs analog signals proportional to current and voltage.
It’s ideal for applications like battery monitoring, solar systems, motor control, and power management. The onboard shunt resistor ensures precise current measurement without the need for external components.
Simply connect it to your Arduino, ESP32, STM32, or Raspberry Pi ADC pin, and start reading real-time current and voltage data effortlessly.
⚙️ Features
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⚡ Measures DC current up to 3A and voltage up to 30V
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🔁 Bidirectional current sensing capability
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📏 Built-in precision shunt resistor for accurate measurement
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💡 Analog output for easy integration with ADCs
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🔌 Compatible with 3.3V and 5V logic systems
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🧩 Compact, ready-to-use module design
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🧠 Ideal for battery management, solar charging, motor drivers, and power analyzers
📊 Specifications
| Parameter | Description |
|---|---|
| Module Name | GY-471 MAX471 Current Sensor |
| IC Model | MAX471 |
| Current Measurement Range | 0 – 3A DC |
| Voltage Measurement Range | 0 – 30V DC |
| Output Type | Analog Voltage Output |
| Input Voltage | 3V – 5V |
| Interface Type | Analog |
| Accuracy | ±1% (typical) |
| Operating Temperature | -40°C to +85°C |
| Dimensions | Approx. 27mm × 15mm × 5mm |
Specification
General
| Weight Weight | 0,0000 g |
|---|---|
| Sensor Chip |
MAX471 |
| Measurement Range |
0–3A |
| Voltage Range |
DC 0–30V |
| Interface |
Analog output (compatible with Arduino) |
| Operating Voltage |
5V |
| Material |
PCB with electronic components |
| Usage |
Current sensing, battery monitoring, electronics projects |
