Yantronix
CJMCU-219 INA219 I2C Bi-Directional Current & Power Monitoring Sensor Module
- High-precision CJMCU-219 INA219 current & power monitoring sensor
- I²C interface for voltage/current measurement
- Bi-directional sensing for power tracking
- Works with Arduino, ESP, Raspberry Pi and any I²C host
- Wide voltage range (0–26 V) sensing
- Compact and lightweight PCB module
Non-returnable
SKU - YTX25268024
₹118.00
₹192.15
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Product Details
CJMCU-219 INA219 I²C Bi-Directional Current & Power Monitoring Sensor Module
The CJMCU-219 INA219 module is a compact high-side current and power monitoring breakout designed for precision measurement in electronics and embedded projects. Based on the INA219 chip, it uses a zero-drift amplifier and a precision 0.1 Ω shunt resistor to deliver accurate current, voltage, and power readings via the I²C interface.
Ideal for battery management, DC-DC monitoring, solar panels, and IoT power tracking, this module supports bidirectional current measurement and is compatible with popular microcontrollers including Arduino, ESP32, Raspberry Pi and more.
🔧 Key Features
- Bi-directional current & power monitoring via I²C interface.
- Precision 0.1 Ω shunt resistor with ±1 % tolerance.
- Voltage range up to 26 V and current measurement up to ±3.2 A.
- Compatible with Arduino, ESP32, Raspberry Pi and other I²C devices.
- Small, lightweight PCB suitable for embedded and robotics applications.
⚙️ Technical Specifications
| Sensing Chip | INA219 |
| Voltage Monitoring | 0–26 V |
| Current Monitoring | ±3.2 A |
| Interface | I²C (SCL, SDA) |
| Shunt Resistor | 0.1 Ω ±1 % 2 W |
| Operating Voltage | 3 V – 5.5 V |
| Weight | ~3 g |
📦 Package Includes
- 1 × CJMCU-219 INA219 I²C Power Monitoring Sensor Module
