The Gy 291 Datasheet is your key to understanding and utilizing the popular GY-291 module, based on the Bosch BMP180 barometric pressure sensor. This seemingly simple document unlocks a wealth of information, allowing hobbyists, engineers, and makers to accurately measure altitude and atmospheric pressure in their projects. Understanding how to interpret the Gy 291 Datasheet is crucial for getting the most out of this versatile sensor.
Decoding the Gy 291 Datasheet Data and Applications
The Gy 291 Datasheet serves as a comprehensive reference manual, detailing the electrical characteristics, operating conditions, and performance specifications of the BMP180 sensor. It provides critical information for interfacing the sensor with microcontrollers like Arduino or Raspberry Pi. Without the datasheet, reliably integrating the GY-291 into any project would be nearly impossible. The datasheet includes parameters like:
- Supply Voltage Range: Knowing this range prevents damage to the sensor.
- Operating Temperature Range: Important for ensuring accurate readings in various environments.
- I2C Address: Necessary for communicating with the sensor using the I2C protocol.
Beyond basic specifications, the Gy 291 Datasheet outlines the sensor’s measurement capabilities and accuracy. This includes details on pressure and temperature ranges, resolution, and typical error values. Consider these details when working on a project:
- Pressure Measurement Range: Determines the range of atmospheric pressure the sensor can accurately measure.
- Temperature Measurement Range: Specifies the temperature range within which the sensor operates reliably.
- Accuracy: Indicates the degree of closeness of measurements of a quantity to that quantity’s actual (true) value.
The datasheet also provides specific instructions on how to calibrate and configure the BMP180 for optimal performance. It details the register map, outlining the address and function of each register within the sensor. Understanding these registers is crucial for setting the sampling rate, oversampling rate, and other parameters that affect the sensor’s accuracy and power consumption. All of this information is presented in a technical format which can be difficult to read. However, the information is essential when trying to get the most out of your GY-291 sensor. Using the Gy 291 Datasheet ensures you design projects that maximize the sensors’ capability.
| Parameter | Value | Unit |
|---|---|---|
| Pressure Range | 300 … 1100 | hPa |
| Temperature Range | -40 … +85 | °C |
To fully leverage the power of your GY-291 sensor, take the time to thoroughly review the official datasheet. Understanding the intricacies detailed within it will drastically improve the reliability and accuracy of your projects.