Voltage & Current Sensor MAX471

The MAX471 Voltage & Current Sensor is a compact and versatile analog measurement module designed to accurately sense both DC voltage and current in electronic circuits.

Using the high side current sense amplifier MAX471 chip, this sensor provides reliable analog outputs proportional to the measured parameters, allowing easy integration into microcontroller ADC inputs for real time monitoring. It’s engineered to work with wide DC voltage ranges and current levels with minimal external components required.

Thanks to its low power consumption, wide operating range, and simple analog interface, it’s ideal for battery management, power monitoring, and energy related applications. With standard pin headers or screw terminals, the MAX471 module connects seamlessly to platforms like Arduino, ESP32, and Raspberry Pi for rapid prototyping and embedded system designs.

Whether you're building a power analyzer, monitoring a solar system, or adding safety feedback to your power circuits, the MAX471 sensor delivers dependable voltage and current measurement.

Highlights:

• Measures DC voltage and current simultaneously.
• High side current sensing up to ±3 A.
• Analog output proportional to measured values.
• Wide operating voltage range, 3-36V.
• Low power consumption and easy interfacing.
• Works with Arduino, ESP32, Raspberry Pi & other microcontrollers.

Specifications:

• Operating Voltage: 3-36V.
• Current Measurement Range: ±3 A.
• Voltage Measurement Range: 0V - up to module limit (varies by ADC input scale).
• Output Type: Analog voltage proportional to current & voltage.
• Current Sense Ratio: ~1V per ampere.
• Current Sensor Accuracy: ~±2 %.
• Interface: Analog outputs for voltage & current sensing.
• Operating Temperature: −40°C to +85°C.
• Low Power Consumption: Yes.
• Dimensions: ~24×22×15mm.
  
• Interface: 4-pin (GND, GND, VT, AT).
  

Ideal For:

• 🔋 Battery monitoring and management.
• ⚡ Power supply and DC system testing.
• ☀️ Solar panel voltage & current measurement.
• 📊 Energy usage logging and analytics.
• 🤖 Robotics & embedded systems power feedback.
• 🏠 Smart power monitoring and automation projects.
• 🎓 Arduino & STEM education projects.

Note:

• Product appearance may vary slightly from the images shown.
  
• Text or markings on the sensor may differ depending on the batch.