INA219 I2C Bi-Directional DC Current & Power Sensor Module (3–5V)

Description

The INA219 Bi-directional DC Current Power Supply Sensor Module is a high-precision I²C interface power monitoring sensor. It can measure both current (up to ±3.2A) and bus voltage (up to 26V), making it ideal for tracking power consumption in DIY electronics, robotics, battery management, and power supply systems. With support for 3V–5V logic, it easily interfaces with microcontrollers like Arduino, ESP32, and Raspberry Pi.

⚙️ Short Specifications

• Model: INA219 Sensor Module

• Operating Voltage: 3.0V – 5.5V

• Bus Voltage Range: 0 – 26V DC

• Current Measurement Range: ±3.2A (with 0.1Ω shunt resistor)

• Interface: I²C / IIC

• Resolution: 12-bit ADC

• Communication Speed: Up to 400kHz

• Dimensions: ~25mm x 20mm

🌟 Key Features

• Bi-directional current sensing (charge & discharge).

• High accuracy with built-in 12-bit ADC.

• Measures bus voltage, current, and power.

• Wide input voltage range up to 26V.

• Onboard precision 0.1Ω shunt resistor.

• Compact and easy to integrate with microcontrollers.

• Ideal for battery monitoring, power supply tracking, and IoT projects.