B4R Question Problem in use GY-521 Gyroscope library

[vali khandangoll]

hi all of you.
I have a library with name GY-521 for Gyroscope module .
but I don't know how to use it. especially getGyroX , getAccelX or another get...

thanks for ever

 

[teddybear]

hi all of you.
I have a library with name GY-521 for Gyroscope module .
but I don't know how to use it. especially getGyroX , getAccelX or another get...

thanks for ever

Perhaps you can use the library

 

[derez]

Googling I found this :

The MPU-6050 sensor operates at 3.3V. but the GY-521 module contains a 3.3V regulator so the module should be supplied with 5V on the VCC pin. Since the module uses I2C which is open-drain with pull-ups to 3.3V, level translation is generally not considered necessary when using it with a 5V MCU.

You can use my example https://www.b4x.com/android/forum/t...nts-mpu-6050-and-magnetometer-hmc5883l.65917/ , no need for any library.

 

[vali khandangoll]

Googling I found this :

You can use my example https://www.b4x.com/android/forum/t...nts-mpu-6050-and-magnetometer-hmc5883l.65917/ , no need for any library.

Hi.
my problem in not this.
I can not use getGyroX or getAccelZ functions.
B4R always this error.
GetGyroX(_gx as return) as float.
i dont know _gx as return.
my source code is in below

Sub Process_Globals
Public Serial1 As Serial
Public Gyroscope As GY521
Public GX As Float
Public x As RandomAccessFile
End Sub

Private Sub AppStart

Serial1.Initialize(115200)
Log("AppStart")

AddLooper("GetGyroscope")
End Sub

public Sub GetGyroscope
Gyroscope.readGyro
GX=Gyroscope.getGyroX
End Sub

 

[vali khandangoll]

If possible, show the function of the getGyroX with a simple program.

 

[vali khandangoll]

My GY-521 library is attached below.

 

[derez]

You can use my example https://www.b4x.com/android/forum/t...nts-mpu-6050-and-magnetometer-hmc5883l.65917/
No need for any library.
You can get Gyx and Acz in tmr_tick sub.

 

[vali khandangoll]

my library is this.

GitHub - RobTillaart/GY521: Arduino library for GY521 accelerometer- gyroscope a.k.a. MCU-6050

Arduino library for GY521 accelerometer- gyroscope a.k.a. MCU-6050 - GitHub - RobTillaart/GY521: Arduino library for GY521 accelerometer- gyroscope a.k.a. MCU-6050

github.com

 

[vali khandangoll]

Googling I found this :

You can use my example https://www.b4x.com/android/forum/t...nts-mpu-6050-and-magnetometer-hmc5883l.65917/ , no need for any library.

Googling I found this :

You can use my example https://www.b4x.com/android/forum/t...nts-mpu-6050-and-magnetometer-hmc5883l.65917/ , no need for any library.

Hi again
I used your first Example but do not work correctly.
all of values shown always 0 and tmp=36.5
I check pins but I can not success.

 

[vali khandangoll]

my you send me pin connections ?

 

[derez]

If you use Arduino- connect SCL to A5, SDA to A4, 3.3V and ground
If you use Wemos or Nodemcu - connect SCL To D2 And SDA To D1.
The MPU is using the rWire library so check where to connect for rWire in any other board.

 

[vali khandangoll]

س

If you use Arduino- connect SCL to A5, SDA to A4, 3.3V and ground
If you use Wemos or Nodemcu - connect SCL To D2 And SDA To D1.
The MPU is using the rWire library so check where to connect for rWire in any other board.

solved and thanks.

 

[vali khandangoll]

Perhaps you can use the library

Hi
I used your library.
When I want to upload show this error.

Can you please look into the matter,

SoftwareI2C.cpp:31:10: fatal error: SoftI2CMaster.h: No such file or directory
#include <SoftI2CMaster.h>
^~~~~~~~~~~~~~~~~
compilation terminated.
exit status 1

I want to make a quadqupter and this library is very very necessary for me.

 

[teddybear]

Hi
I used your library.
When I want to upload show this error.

Can you please look into the matter,

SoftwareI2C.cpp:31:10: fatal error: SoftI2CMaster.h: No such file or directory
#include <SoftI2CMaster.h>
^~~~~~~~~~~~~~~~~
compilation terminated.
exit status 1

I want to make a quadqupter and this library is very very necessary for me.

You can download it from the url

 

[vali khandangoll]

You can download it from the url

please send my your program pins connection.