GY-471 MAX471 3A Range Current Sensor Module

The GY-471 Voltage and Current Sensor Module is a compact, reliable, and high-precision solution for monitoring both voltage and current in your electronics projects. Built with the MAX471 chip, it delivers accurate current sensing while using a resistive voltage divider for precise voltage measurement. Ideal for Arduino, Raspberry Pi, ESP32, and other microcontroller-based projects, this module helps you safely monitor power consumption, battery levels, and load currents in real-time.

Key Features

• Measures both voltage and current with high accuracy
• Resistive voltage divider design for safe voltage sensing
• Red terminal input reduces voltage by a factor of 5 for microcontroller compatibility
• Analog input voltage range: up to 25V (5V systems) / 16.5V (3.3V systems)
• High-resolution measurement using AVR 10-bit ADC (minimum detection 0.02445V)
• Equipped with MAX471 chip for precise current sensing
• Compact and lightweight design for easy integration into projects
• Wide working voltage range: 3V ~ 5V
• Durable PCB with high-quality copper-clad laminate

Technical Specifications

• Model: GY-471
• Working Voltage: 3V ~ 5V
• Measurement Type: Voltage and Current
• Max Input Voltage: 25V (5V systems) / 16.5V (3.3V systems)
• Color: Purple PCB
• Material: Copper-clad laminate with premium components
• Applications: Load monitoring, battery measurement, energy metering, DIY electronics
• Quantity: 1 Piece

Applications

• DIY electronics and maker projects
• Arduino, Raspberry Pi, ESP32, and other microcontroller-based projects
• Power supply and battery monitoring
• Current and voltage sensing for energy efficiency systems
• IoT projects requiring accurate load measurement
• Robotics and automation projects needing real-time power data

Advantages

• Accurate dual voltage and current measurement in one compact module
• Protects microcontrollers with reduced voltage input
• Easy to integrate into existing circuits with standard analog output
• High-resolution ADC output ensures precise readings
• Lightweight and durable, ideal for portable and battery-powered projects

Installation Tips

• Connect the red terminal to the positive voltage input and black to ground
• Use appropriate ADC channels on your microcontroller for voltage and current readings
• Ensure the input voltage does not exceed the maximum rating to prevent damage
• Combine with libraries for Arduino, Raspberry Pi, or ESP32 for easy coding

Package Includes

• 1 x GY-471 Voltage and Current Sensor Module

Upgrade your electronics projects with the GY-471 Voltage and Current Sensor Module—perfect for makers, engineers, students, and hobbyists in Pakistan. Monitor voltage and current safely, accurately, and efficiently for all your microcontroller-based projects.