Gy-63 Ms5611 Sensor De Presion Barometrica Altimetro Itytarg

Característica:

Modelo: GY-63
Nombre: módulo MS5611 (módulo de presión atmosférica)
Chip convertidor incorporado de 24bit AD
PCB de oro de alta calidad de inmersión
Usando el chip: MS5611
Fuente de alimentación: 3V-5V (regulador interno de baja caída)
Comunicación: protocolo de comunicaciones estándar IIC / SPI

This is really a barometer/altimeter but you will see the reason for the title by looking at the video.

The MS5611 pressure sensor, found on the Arduino GY63 and GY86 breakout boards, delivers amazing performance. On a calm day it will measure your height to within 0.2m. This is effectively measuring the distance from your head to outer space and subtracting it from the distance of your feet to outer space (by measuring pressure – that is the weight of the air above). This spectacular device has a range that will comfortably measure the height of Everest - and can also measure down to a few inches.

This project was aimed as: a schools project, an example of modifying Arduino code and a good starting place to explore using the MS5611 sensor. There are plenty of forum questions from those having difficulties with this sensor. The approach here makes using it very straightforward. After doing this project you will be well equipped to develop other pressure related applications.

Every sensor has its own calibration constants that need to be read and used to correct the data. There is a library available to help drive these. The code shown here uses the library to take readings and then converts them to height and displays them on a LCD Shield.

First we will send the data to the serial monitor on the PC/laptop for initial tests. These show some noise and so we add a filter to smooth them out. Then we will add a LCD display so the unit can run independently and you can try measuring your height – or anything else.

Note the GY63 board just has the MS5611 pressure sensor. The GY86 is called a 10 degrees of freedom board and also includes a 3 axis accelerometer, 3 axis gyro and a 3 axis magnetometer for just a few $ more.

You will need:

1. Arduino UNO (or other with standard pinout) and its USB cable

2. GY63 breakout board or GY86

3. 4 Dupont leads male-female - or connecting wire

4. Arduino LCD keypad shield

5. 9v battery and lead

6. 2.54mm socket strip (optional but recommended)

Preparation

Download the Arduino IDE (integrated development environment) from:https://www.arduino.cc/en/Main/Software

Some technical bits for interest

The MS5611 delivers its great performance by averaging large numbers of measurements. It can make 4096 3 byte (24bit) analogue measurements in just 8ms and give the average value. It has to measure both pressure and temperature so the pressure data can be corrected for internal temperature. Hence it can deliver around 60 pairs of pressure and temperature readings per second.

The data sheet is available at: http://www.te.com/usa-en/plp/ms5611-01ba03/Xoye8B...

Communications is via I2C. So other I2C sensors can share the bus (as is the case on the GY86 10DOF board where all the chips are on I2C).