• The GY-63 MS5611 is a high-precision barometric pressure sensor module that can measure atmospheric pressure and temperature with great accuracy. It features both SPI and I2C bus interfaces, making it easy to connect to a wide range of microcontrollers and devices.
• The sensor has an altitude resolution of 10 cm, making it ideal for use in altimeters and variometers. It uses a pressure sensor with exceptional linearity and a 24-bit, ultra-low power ADC with internal factory calibrated coefficients to provide accurate digital pressure and temperature readings.
• The module offers a variety of operating modes that allow users to tailor conversion efficiency and current usage to their specific needs. Additionally, it has a high-resolution temperature output that can be used to implement an altimeter/thermometer feature without the need for a separate sensor.
• The communication protocol for the MS5611-01BA is straightforward and does not require programming of the device's internal registers, making it easy to interface with any microcontroller. With its high precision and versatility, the GY-63 MS5611 is an excellent choice for a wide range of pressure sensing applications.

Features:

• High precision pressure sensor for accurate measurements
• SPI and I2C bus interfaces for easy integration
• 24-bit ultra-low power ADC with internal factory-calibrated coefficients for accurate digital pressure and temperature values
• High-resolution temperature output for implementing an altimeter/thermometer feature without a separate sensor
• Versatile operating modes for tailoring conversion efficiency and current usage to specific needs
• Straightforward communication protocol that does not require programming of internal registers
• Compatible with any microcontroller for easy interfacing
• Exceptional linearity for accurate measurement of pressure changes, even at low levels
• Built-in 24bit AD converter chip
• High-quality Immersion Gold PCB

Specification:

• Model: GY-63
• Chip: MS5611
• Power Supply: 3V-5V
• Communication: Standard IIC / SPI communications protocol
• Dimension: 18 x 14mm (0.71 x 0.55″) (L x W)

Pin Connections:

Package Includes:

• 1 x GY-63 Atmospheric Pressure Sensor Module

Sample Project:

Circuit:

Library:

• Use this link to download the Arduino-MS5611 library.

Code:

/*
  GY-63 MS5611 Example Program
  MS5611 Test Program
  Based on library sample MS5611 by Rob Tillaart
  Uses MS5611 library by Rob Tillaart
*/

#include "MS5611.h"
#include "Wire.h"

MS5611 MS5611(0x77);

void setup()
{
  Serial.begin(9600);
  Serial.println("Begin Test");

  MS5611.init();
}


void loop()
{
  int result = MS5611.read();
  if (result != 0)    // read routine returns 0 in result if it completes OK.
  {
    Serial.print("Error in read: ");
    Serial.println(result);  // Otherwise result shows error
  }
  else
  {
    Serial.print("Temp: ");
    Serial.print(MS5611.getTemperature() * 0.01, 2); // print with 2 decimals
    Serial.print(" C\t Press: ");
    Serial.print(MS5611.getPressure() * 0.01, 2);   // print with 2 decimals
    Serial.println(" mb");
  }
  delay(5000);
}

References:

• https://www.mide.com/pages/air-pressure-at-altitude-calculator