- Out-of-Stock
Banner

The INA219 is a digital current, voltage, and power monitoring module based on the TI INA219 chip. It uses an I2C interface to measure DC current and bus voltage while calculating power in real time. This module is suitable for power management, battery monitoring, and smart hardware projects, with easy plug-and-play connectivity via STEMMA QT / Qwiic.
The INA219 is a digital current, voltage, and power monitoring module based on the TI INA219 chip. It uses an I2C interface to measure DC current and bus voltage while calculating power in real time. This module is suitable for power management, battery monitoring, and smart hardware projects, with easy plug-and-play connectivity via STEMMA QT / Qwiic.
Measures current, voltage, and power simultaneously
High-side current sensing
Digital I2C communication interface
High measurement accuracy
Adjustable measurement range via shunt configuration
STEMMA QT / Qwiic connector for solder-free connection
Sensor IC: INA219
Measurement Functions:
Current
Voltage
Power
Current Measurement Range: ±3.2 A (expandable with external shunt resistor)
Voltage Measurement Range: 0 to 26 V
Current Resolution: 0.1 mA
Voltage Resolution: 4 mV
Measurement Accuracy: ±1 percent (current and voltage)
Communication Interface: I2C
Default I2C Address: 0x40 (adjustable)
Operating Voltage: 3.3V to 5V
Typical Current Consumption: 0.7 mA
Module Dimensions: 25.4 x 17.8 mm
Compatible Platforms: Arduino, Raspberry Pi, ESP32, and other I2C controllers
Country of Origin: Made in China
Battery management systems (charge and discharge monitoring)
Solar power and photovoltaic systems
Power consumption analysis for smart devices
Industrial equipment current and voltage monitoring
Embedded and IoT power measurement projects
VCC: 3.3V–5V power supply
GND: Ground
SDA: I2C data line
SCL: I2C clock line
STEMMA QT: 4-pin Qwiic-compatible I2C interface
VIN+ / VIN-: Measured voltage and current input terminals
1 x INA219 current sensor module
1 x 6-pin single-row pin header
1 x 2-pin terminal block
Designed for DC measurements only
Ensure correct wiring of VIN+ and VIN- before powering the circuit
Measurement range and accuracy depend on shunt resistor configuration
QT cable not included
The INA219 sensor module provides a compact and accurate solution for monitoring current, voltage, and power in DC systems. With STEMMA QT / Qwiic compatibility and I2C communication, it integrates easily into a wide range of power monitoring and embedded electronics applications.
Specific References
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent
Write your review
Review sent
Your review cannot be sent
Reference: RBD-0555
Reference: RBD-2073
Reference: RBD-3452
Reference: RBD-1424
Reference: RBD-1174
Reference: RBD-2686
Reference: RBD-2748
Reference: RBD-0564
Reference: RBD-2704
Reference: RBD-3453
Reference: RBD-1972
Brand: DFRobot
Reference: RBD-3110
Reference: RBD-1177
Reference: RBD-1836
Reference: RBD-2120
Reference: RBD-3109
Reference: RBD-4070
Reference: RBD-4072
Reference: RBD-4090
We'll slide into your inbox when the product is back in stock.
The INA219 is a digital current, voltage, and power monitoring module based on the TI INA219 chip. It uses an I2C interface to measure DC current and bus voltage while calculating power in real time. This module is suitable for power management, battery monitoring, and smart hardware projects, with easy plug-and-play connectivity via STEMMA QT / Qwiic.
check_circle
check_circle