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Item #:
91401830
5pcs CJMCU-219 INA219 I2C Interface Zero Drift Bidirectional Current or Power Monitoring Sensor Module for Raspberry Pi Arduino
Item #:
91401830
SLE 499
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The INA219 achieves an error accuracy of 1% over a temperature range of -40C to +85C, with an offset of 100 uV.
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What Stands Out
High Accuracy
The INA219 sensor module provides precise current and power measurements with zero drift, ensuring reliable performance for energy monitoring in projects involving Raspberry Pi and Arduino.
I2C Interface
Easily integrate the module into your projects using the I2C protocol, allowing for seamless communication with microcontrollers like Raspberry Pi and Arduino, enhancing versatility and ease of use.
Multi-Device Capability
The package of 5 sensors allows for simultaneous monitoring across multiple channels, making it an ideal choice for comprehensive energy management systems for both hobbyists and professionals.
Product Details
| Product Dimensions (L x W x H) | 3.54 x 2.36 x 0.39 inches (9 x 6 x 1 cm) |
| Item Weight | 0.353 ounces (10.01 grams) |
| Manufacturer | PAMEENCOS |
| Item model number | MCU-219 INA219 I2C |
| Date First Available | January 10, 2024 |
Who Should Buy?
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Electronics Hobbyists
Ideal for DIY electronics projects requiring precise current and power measurement with Raspberry Pi or Arduino.
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Power Monitoring
Perfect for users wanting to monitor power consumption in devices and optimize their energy usage effectively.
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Educational Purposes
Great for students learning about current and power measurement in electronics, providing hands-on experience.
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Professional Engineers
May lack the precision and features required for high-end professional projects needing advanced monitoring capabilities.
Product Description
5pcs CJMCU-219 INA219 I2C Interface Zero Drift Bidirectional Current or Power Monitoring Sensor Module for Raspberry Pi Arduino
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the CJMCU-219 INA219 sensor module used for?
Answer: The CJMCU-219 INA219 sensor module is designed for monitoring current and power in electronic projects. It uses I2C communication to interface with microcontrollers like Raspberry Pi and Arduino. This module is particularly useful in applications where accurate power usage monitoring is vital, such as solar panel systems, battery management, or energy-efficient designs. With its zero-drift feature, it ensures precise readings over time, making it ideal for long-term measurements. -
Question:
How can I connect the CJMCU-219 INA219 to my Raspberry Pi or Arduino?
Answer: Connecting the CJMCU-219 INA219 module to your Raspberry Pi or Arduino involves using the I2C interface. First, connect the module's VCC to the 5V power pin, and GND to the ground. Then link the SDA pin to the SDA pin on your device and the SCL pin to the SCL pin. It's essential to include pull-up resistors for reliable I2C communication. Once connected, you can use libraries available for both platforms to easily access and read data from the sensor. -
Question:
What is the maximum current the INA219 can measure?
Answer: The INA219 sensor module can monitor current up to 3.2A, which is suitable for most open-source projects and educational purposes. It provides high accuracy in measuring small currents, making it perfect for applications like hobby robotics or renewable energy monitoring. Users can adjust the scaling settings in their software to tailor the readings to specific circuit conditions, ensuring reliable performance across a range of applications. -
Question:
Are there any libraries available for using the INA219 with Arduino or Raspberry Pi?
Answer: Yes, there are multiple libraries available for both Arduino and Raspberry Pi that facilitate easy integration with the INA219 sensor module. For Arduino, the Adafruit INA219 library is popular and well-documented. For Raspberry Pi, you can find Python libraries that allow straightforward setup and reading of voltage, current, and power values. These libraries provide functions that simplify reading from the sensor, making it easy to implement power monitoring in your projects. -
Question:
Can the INA219 module be used for solar panel energy monitoring?
Answer: Absolutely! The INA219 module is an excellent choice for solar energy monitoring applications. Its capability to measure both voltage and current enables accurate calculation of power output from solar panels. This information can be invaluable for optimizing the performance of solar power systems, helping users assess efficiency and make adjustments as necessary to enhance energy capture and usage. -
Question:
What features make the CJMCU-219 sensor suitable for low-power applications?
Answer: The CJMCU-219 INA219 sensor module is designed with low power consumption in mind, making it suitable for battery-operated devices. Its zero-drift and high accuracy ensure that even minimal power levels can be monitored effectively. This is particularly advantageous in projects focused on energy efficiency or where batteries are used, as it allows developers to gauge power consumption accurately without draining the power source. -
Question:
How accurate is the current measurement with the INA219?
Answer: The INA219 sensor module offers high accuracy with a typical current measurement error of about 1%, which is sufficient for most usage scenarios. This accuracy level enables users to make informed decisions based on precise data regarding their projects. Whether used in DIY electronics, renewable energy projects, or educational tools, the INA219 provides reliable current measurements to ensure effective performance. -
Question:
Is the CJMCU-219 compatible with other microcontrollers?
Answer: Yes, the CJMCU-219 INA219 sensor module is quite versatile and can be used with various microcontrollers beyond just Raspberry Pi and Arduino. Its I2C interface makes it compatible with any microcontroller that supports this communication protocol, including ESP8266, ESP32, and STM32. This flexibility allows hobbyists and developers to integrate the sensor into diverse projects tailored to their specific needs. -
Question:
How can I troubleshoot issues with readings from the INA219 module?
Answer: If you're experiencing issues with the INA219 sensor module's readings, first check all wiring connections to ensure they are secure. Next, verify that the I2C address in your code matches the sensor's address. Additionally, consult the power supply to the module; it should be stable and within the specified operating voltage. If you still face problems, consider reviewing your code or utilizing example scripts available through related libraries to help identify potential programming errors. -
Question:
Where can I buy 5pcs CJMCU-219 INA219 I2C Interface Zero Drift Bidirectional Current or Power Monitoring Sensor Module for Raspberry Pi Arduino?
Answer: You can purchase the 5pcs CJMCU-219 INA219 I2C Interface Zero Drift Bidirectional Current or Power Monitoring Sensor Module for Raspberry Pi and Arduino on Ubuy. Ubuy offers a convenient platform for accessing this product in Sierra Leone, ensuring a reliable shopping experience with quick access to a variety of similar electronic components.
PAMEENCOS Current Monitoring Relays MCU-219 INA219 I2C Editorial Review
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Pros
- Highly accurate measurements
- Easy to integrate with Raspberry Pi
- Bidirectional current monitoring
- User-friendly I2C interface
- Compact and lightweight design
Cons
- Installation instructions could be clearer.
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Features & Benefits
- Zero-drift, bidirectional current/power monitoring IC.
- 1% accuracy over -40C to +85C temperature range.
- 12-bit resolution minimizes voltage drop, saving power and space.
- I2C interface supports up to 3.4 MHz communication.
- Includes programmable calibration for direct current and power readings.
- Pack of 5 modules suitable for a variety of applications.
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