CJMCU-219 INA219 I2C Interface No Drift Bi-directional Current / Power Monitoring Sensor Module

The CJMCU-219 is a high-side current and power monitoring sensor module based on the INA219 IC. It offers precision current, voltage, and power measurements over an I2C interface, making it ideal for monitoring battery levels, power supplies, solar panels, or any embedded system needing accurate current readings. With its ability to detect both supply and return current (bi-directional), the module ensures detailed energy diagnostics with minimal drift over time. Its onboard shunt resistor and compact form factor make it a convenient and accurate power monitoring solution for advanced electronic applications.

Features of CJMCU-219 INA219 I2C Bi-directional Current / Power Monitoring Sensor Module:

1. Based on INA219 high-side current/power monitoring chip
2. Measures both current and voltage for full power monitoring
3. Bi-directional current sensing for power supply and return
4. Communicates via I2C interface
5. Calibrated for high accuracy with low drift
6. 0.1Ω onboard shunt resistor for reliable readings
7. Wide operating voltage and current range
8. Compatible with Arduino, Raspberry Pi, and other microcontrollers

Specifications of CJMCU-219 INA219 I2C Bi-directional Current / Power Monitoring Sensor Module:

• Operating Voltage: 3.0V to 5.5V
• Current Range: ±3.2A
• Bus Voltage Range: 0V to 26V
• Communication Interface: I2C
• I2C Address: Configurable (default 0x40)
• Shunt Resistor: 0.1Ω (1%, 2W)
  
• Mounting: 4-pin header (VCC, GND, SDA, SCL)

Package Includes:

1 x CJMCU-219 INA219 I2C Bi-directional Current / Power Monitoring Sensor Module