CJMCU-219 INA219 I2C Interface Zero Drift Bi-directional Current / Power Supply Monitoring Module

The CJMCU-219 INA219 current Module brings precise and efficient power monitoring to your electronic projects. Built around TI’s INA219 chip, this compact module measures both current and power across a shunt resistor with remarkable accuracy. Thanks to its zero-drift architecture and 12-bit resolution, it can detect minute voltage drops, ensuring minimal power loss and high efficiency. It supports bidirectional current measurement and communicates via an I2C interface, making it easy to integrate with microcontrollers like Arduino or Raspberry Pi. Ideal for power supply monitoring, battery management, and energy-efficient embedded systems, the CJMCU-219 is a must-have for precision-oriented developers.

Features:

• Zero-Drift Architecture: Ensures high accuracy over temperature and time.
• Bidirectional Current Monitoring: Measures current flow in both directions.
• I2C Interface: Simple integration with a variety of microcontrollers (supports 3.4 MHz high-speed mode).
• Wide Voltage Range: Monitors bus voltages from 0V to +26V.
• High Accuracy: 1% max error, 100 μV offset, 12-bit ADC resolution.
• Low Power & Compact Design: Fits easily into space-constrained systems with minimal energy usage.

Package Includes:

• 1 x CJMCU-219 INA219 I2C Interface Zero Drift Bi-directional Current / Power Supply Monitoring Module
• 1 x 2 pin Terminal Blocks
• 1 x ^ Pin Connector