5pcs INA219 I2C Zero‑Drift Bidirectional Current and Power Monitor Sensor Module, 0–26 V Bus, 3.0–5.5 V

Key features

• Bidirectional Current And Power Monitoring INA219 measures bidirectional current flow using a shunt resistor; supports both charge and discharge detection; calculates real‑time current and power values; helps engineers track energy usage and load behavior in DC power systems
• 0–26 V Bus Voltage Measurement Range Supports bus voltage sensing from 0 V to 26 V; monitors supply voltage directly on the power line; enables combined voltage and current analysis; improves visibility of system operating conditions during testing and operation
• Zero‑Drift High‑Resolution ADC Design Zero‑drift architecture maintains measurement accuracy over temperature changes; integrated high‑resolution ADC improves small signal detection; delivers stable digital readings; suitable for long‑term power and current monitoring tasks
• I2C Digital Interface For Easy Integration Uses a standard I2C interface for data communication; reduces pin usage on controllers; simplifies firmware design; allows multiple sensors on one bus; supports flexible integration with common microcontroller platforms
• Wide 3.0 V To 5.5 V Power Support Operates from 3.0 V to 5.5 V DC; compatible with 3.3 V and 5 V logic systems; reduces power design constraints; compact module layout supports quick wiring; compatible with for Arduino and similar I2C‑based boards

Product Overview INA219 I2C Zero‑Drift Bidirectional Current and Power Monitor Module designed for precise voltage, current, and power measurement. Uses an original INA219 chip with high accuracy and digital output, suitable for power management and monitoring applications. 1. Product Parameters Main IC: INA219 Function: Current, voltage, and power monitoring Measurement Type: Bidirectional current sensing Bus Voltage Range: 0–26 V Current Sense Method: Shunt resistor Resolution: High‑resolution ADC Supply Voltage (VCC): 3.0–5.5 V DC Interface: I2C digital interface Zero‑Drift: Yes Operating Temperature: −40 °C to +85 °C 2. Pin Function Description VCC (IN+): DC power input positive GND: Power ground SCL: I2C clock input SDA: I2C data input/output VIN+: Positive shunt input VIN‑: Negative shunt input 3. Common Questions & Answers (FAQ) Q1: What can the INA219 measure? A1: It measures bus voltage, current, and calculated power. Q2: Does it support bidirectional current sensing? A2: Yes, it measures both charge and discharge current. Q3: What interface is used for communication? A3: It uses an I2C digital interface. Q4: What voltage is required to power the module? A4: It operate

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