Measure Current, Voltage, or Magnetic Fields with Ease

The DC Current Sensor INA219 High Side Breakout 26V 3.2A Max is a current or power sensor with i2c designed for power monitoring, motor feedback, magnetic detection, and control systems. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Interface: I2C.

Why you’ll love it

0.1 ohm 1% 2W current sense resistor: 0.1 ohm 1% 2W current sense resistor
Up to +26V target voltage: Up to +26V target voltage
Up to ±3.2A current measurement,: Up to ±3.2A current measurement, with ±0.8mA resolution
Easy wiring: I2C
Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards

Compare with similar products

Product	Sensor style	Standout
DC Current Sensor INA219 High Side Breakout 26V 3.2A Max	current or power sensor with I2C	Current item
Current 20A Analog Sensor Gravity	electric current electric potential magnetic sensor module with analog output	analog output, hall-effect detection
Current Sensor AC/DC 50A	current or power sensor with analog output	analog output, hall-effect detection
Wattmeter I2C Digital Gravity for Arduino	current or power sensor with I2C	I2C interface, digital output

What you can build

This sensor is a good fit for current meters, motor drivers, magnetic door sensing, power dashboards, and fault alerts.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus an I2C cable or jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include I2C cables, pull-up friendly boards, OLED displays, and logging modules, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product	DC Current Sensor INA219 High Side Breakout 26V 3.2A Max
Interface	I2C
Category	electric current electric potential magnetic sensors

Wiring & usage notes

Connect VCC, GND, SDA, and SCL to your controller. Use the correct board voltage and I2C address in your code.

What’s in the box

1 × DC Current Sensor INA219 High Side Breakout 26V 3.2A Max

Frequently Asked Questions

What does the DC Current Sensor INA219 High Side Breakout 26V 3.2A Max measure? It is designed to measure current or power use.

Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.

How do I connect this I2C sensor? This version uses I2C, so you usually connect VCC, GND, SDA, and SCL.

What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.

Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.