Questions tagged [gyroscope]

Typically refers to a device which measures orientation.

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Rocket deploy system

I found a code from Astronomica Messier that allows to activate a servo from a Gyroscope MPU 6050 change in direction. I followed the wiring and uploading correctly. The thing is that the MPU is ...
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79 views

SparkFun BasicAHRS_I2C giving unstable readings

SparkFun BasicAHRS_I2C giving unstable readings. I am using the SparkFun Arduino Sketch from here. It is giving me these results: X-acceleration: 91.43 mg Y-acceleration: 249.51 mg Z-acceleration: ...
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1answer
268 views

A proper way to get the roll, pitch and yaw values

TL, DR : What is the method(in terms of sensors and algorithm) to get the roll, pitch angles of an aircraft at any instant. I am planning to build a hobby aircraft. I am so confused about which kind ...
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53 views

LSM9DS1 breakout - How to increase speed

With regards to the Adafruit LSM9DS1 breakout: enter link description here And using the Library: enter link description here I am trying to increase the sample rate, or speed of this chip. I am ...
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65 views

using two mpu6050 to get more accurate and precise angles

i have been using this gyro for a while, now i am aware of all measures taken, to improve the outcome of this board. my question is: would using two at the same time improve the results? if yes how ...
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Using MPU-6050 without I2C

My target is to use multiple MPU-6050 at once, I searched on the internet and found that they can be hooked up really simply. Just connect in parallel and use I2C-Scanner. Then get those addresses and ...
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39 views

Stop getting values from arduino after some time

I have a strange problem, I have Arduino UNO/MEGA and I need to get Gyro sensors's data and I want to see the data in the serial monitor. Seems like a simple task, I wrote a simple C program which ...
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1answer
510 views

Remove gravity from accelerometer of MPU-6050

I am currently working with MPU-6050. Now I want to minus gravity from my accelerometer's value as we minus the offset. Here is the code: #include <Wire.h> #include <MPU6050.h> //read as ...
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64 views

Changing Baud Rate not working

I have copied this code from Github : #include <Wire.h> #include <MPU6050.h> MPU6050 mpu; // Timers unsigned long timer = 0; float timeStep = 0.01; // Pitch, Roll and Yaw values ...
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2answers
118 views

MPU-6050 with Arduino - postmortem

I'm working with MPU-6050 with Arduino Uno. I copied the code below from Arduino Playground - MPU6050. Code : // MPU-6050 Short Example Sketch // By Arduino User JohnChi // August 17, 2014 ...
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91 views

How to configure accelerometer(ADXL345) with 2g resolution?

I don't know how to set range for accelerometer ADXL345. All I'm getting is digital raw data. How do I convert it to g with 2g range for further calculations? It's for my Final year Project. Here's ...
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495 views

How to read the raw data from GY-85 module?

This module has 3 sensors. Gyroscope, Accelerometer and Magnetometer. I think I'm reading the raw data in the wrong way. For example, for the magnetometer HMC5883L, I'm using this code which I ...
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1answer
309 views

Arduino Mega and gyroscope erroneous values

I have Arduino mega2560 and MPU6050. I connected to Vcc pin of the gyro to +5V on the mega, the SDA to SDA pin, SDL to SDL pin, AD0 and GND to 2 GND pins. I used this code: #include<Wire.h> ...
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1answer
232 views

Why the MPU6050 gyroscope read write register value is 0x08 for a full scale of 500 degrees per second?

I am trying to connect a gyroscope MPU6050 to arduino ATmega2560 and read its raw values from its 6DOF (gyro and acc). I found the following code: //Activate the MPU-6050 Wire.beginTransmission(...
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40 views

Shutdown the LED of my GY-85 sensor [closed]

I would like to shutdown the LED of my GY-85 (gyroscope) component. Is it possible?
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89 views

Gyro not zero when returning to original position after random rotations

I am currently trying to make a self balancing robot. Making good progress but stumbled across an issue. My gyroscope readings do not return to zero if I return in to its original position after ...
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1answer
154 views

Problem connecting Android app to Arduino [closed]

Sorry for doing this, I really don't know where to post beacuse this is both Android Studio code and Arduino code so I've posted to both sites. I want to create a project of using controlling pan-...
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1answer
46 views

How to get location of the hand indoors

I made a glove that tracks the positions of the fingers, but I don't know how to get the location of the hand relative to the person using them. Any suggestions? It should be quite accurate but I ...
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1answer
306 views

Does the position in which you mount an IMU matter?

Forgive me, I'm sure this is a total noob question, but I have never seen it actually addressed in any example or demo. When using something like a MinIMU-9 board (https://www.pololu.com/product/...
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1answer
4k views

'import' does not name type ERROR

I am working with a group of people on an arduino controlled BB8 robot. We are using an IMU unit (accelerometer+gyroscope). I found a processing example for the IMU unit we are using. The code is ...
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438 views

ATtiny85 and MPU-6050 Gyroscope

I'm doing a project that involves sending MPU-6050 gyroscope data via serial communication to the laptop. Is ATtiny85 micro-controller suitable for this job? Is it powerful enough to do it? I was ...
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761 views

Should I use an accelerometer or gyroscope in my project?

A friend and I are working on a sign language translation glove. Our glove currently successfully uses 5 flex sensors to determine the bend of each finger and can accurately detect letters in the ...
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1answer
927 views

HMC5883L not working in continuous mode!

I'm just starting with the HMC5883L, I'm writing my code with C and also my own I2C library. I noticed that the values on the Arduino IDE's serial monitor are constant. Then I developed a function ...
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1answer
164 views

Reading HMC5883L hex values in 2's compliment C code

I want to develop my C code for HMC5883L. I have 2 questions for my current code development. My first question is: But what I found in the datasheet is that the values are in the 2's compliment, so ...
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1answer
320 views

How can I identify, debug or fix a faulty IMU?

I have an LSM9DS1 breakout board by Sparkfun, and am communicating with it using a Mega 2560 over I2C. The board is given 3.3 V power as defined in the data sheet, though there seems to be confusion ...
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1answer
970 views

Accessing two MPU-9250 DMP

I want to use both IMU at the same time using the Sparkfun Library on a SAMD21 mini breakout board. Can anyone help? The begin function is : inv_error_t MPU9250_DMP::begin(void) { inv_error_t ...
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5k views

What does this notation stands for? Wire.read() <<8 | Wire.read()

I'm using the Arduino's site test code for getting raw values from a MPU-6050 accelerometer + gyro. In the loop, there are this lines for getting the next data from its registers: Wire.requestFrom(...
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1answer
1k views

MPU6050 Sending Bad values for Angular Velocity

The mpu gives me perfectly fine values for the yaw, pitch, and roll position of the chip, but when I use mpu.getRotation(&gx, &gy, &gz) to obtain the current angular velocity of the chip, ...
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120 views

Arduino rc plane logger [closed]

Well, I want to make an rc plane with an arduino that logs to an sd card A) Video B) Accelerometer data C) Tempature D) Humitity E) Atmospheric pressure F) Gyroscope Data What arduino/parts should I ...
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1answer
441 views

ADXL345 accelerometer doesn't work

I just got the ADXL345 accelerometer module. I tried everything I could find online but I can't get it work. Here's how I connect the pins to the arduino uno: ADXL345 -> ARDUINO VCC ...
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1answer
110 views

It seems like the math of arduino is off

[SOLVED] By changing the offset for the incoming data into int16_t type there won't be any rounding errors and the values I'm getting are all back to zero in the sensor its base position This is my ...
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2answers
7k views

MPU-6050 - angle drift

Setup Windows 7 Entreprise MPU-6050 : GY-521 breakout Arduino Nano (chinese) with CH340 FTDI driver Arduino IDE 1.6.12 Library for the gyro Problem When I run my code, the MPU will detect the ...
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1answer
2k views

Help with MPU-6050

I have bought MPU-6050 a month ago for a project, I have got a hang I2C protocol and register maps of MPU. I have learnt how to get raw values of accelerometer and gyroscope. What I needed for my ...
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2answers
205 views

Main Idea of Gyro

I have a L3G4200D (GY-50 model) gyroscope. I have been trying to learn how a gyro sensor works. The circuit diagram is attached. I want to ask some questions; a) According to the datasheet of ...
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1answer
566 views

Is there a way to combine a 3-axis accelerometer/gyroscope into one value?

I have a three-axis accelerometer that reads me its x, y, and z components. This results in three graphs. Is there a way to "combine" these components into one reading, hence, one graph? Same ...
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2answers
3k views

exchanging data between two hc05 bluetooth modules

Iam working with gyroscope and Iam trying to send its values from one bluetooth(HC-05) module to another bluetooth module but the data exchange is not happening and I have used 2 arduino boards to do ...
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2answers
262 views

Using 6 axis accelerometers

I've been messing around with accelerometers for Arduino for a school project. I bought the SODIAL GY-521 accelerometer + gyroscope module for Arduino. It uses de Invensense MPU 6050. I managed to ...
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3answers
676 views

Smallest digital 3-axis gyroscope pcb for arduino?

What is the smallest size digital 3-axis gyroscope pcb compatible with an arduino that I can buy or maybe make if its simple enough. I need one really really tiny probably around 0.8x0.1x0.5 (doesn't ...
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Two MPU 9250 connected to one arduino (Code of the MPU6050 edited for MPU9250)

I have done a lot of tries to make my two IMU work with my arduino. I'm also done with many research about it and I found this code: // I2C device class (I2Cdev) demonstration Arduino sketch for ...
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4answers
4k views

How to use Multiple MPU9250 to Arduino Lilypad [duplicate]

Is it possible to connect more than one or to be specific 5 MPU9250 into 1 Arduino lilypad? How will I set the addresses, and where should I put the pins for SDA and SCL? I hope someone out there ...
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1answer
345 views

SDA and SCL problem with MEMS

I have a simple question to ask you about SDA and SCL pins. I have a gyro and I use these 2 pins to make it work; how can I use an accelerometer combined to a Gyro if these 2 pins are used? I should ...
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1answer
493 views

What's the difference between pow and sqrt in this code?

I'm not the best at Arduino so I'm sorry for my "noobiness". I'm extending some code that I found online to work on the gyroscope that I'm building. I'm wondering what the difference is between pow ...
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2answers
5k views

Linear acceleration from MPU 6050

When reading the MPU 6050 has accelerometer and gyro, I assumed it was linear acceleration, but now I second guess that. From this video https://www.youtube.com/watch?v=qmd6CVrlHOM it seems like they ...
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2answers
11k views

What does “LSB per degree per second” mean?

I'm currently working with a digital output gyroscope. Its sensitivity is given as 120 least-significant bit per degree per second. While every single component of that unit is easy to understand I ...
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1answer
136 views

What does a higher clock signal frequency actually mean for my AHRS?

I've got an Arduino with an ATmega328 processor. It can be operated at 3.3V which nets a clock signal frequency of about 12 MHz respectively 16 Mhz at 5V. I've got an IMU connected to the Arduino and ...
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1answer
144 views

Will it work ? MPU6050 Gyro etc. etc. module

Will this code read the values properly ? Using MPU6050.h. #include <MPU6050.h> #include <Wire.h> void setup() { Serial.begin(115200); Wire.begin(); MPU6050.initialize(); } void ...
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2answers
1k views

RC servo misbehave using arduino and MPU6050

I am a beginner.. I am trying to control RC servo using Arduino based of data from MPU6050. I am using library I2Cdev to communicate with gyro and to get yaw, pitch and roll. I am using example script ...
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2answers
15k views

What is the difference between Accelerometer, Gyro, and Magnetometer Sensor?

I'm starting in the arduino world and I'm building an autonomous smart vehicle. So, after some weeks building and adjusting the vehicle, I got to a point in this project that I want to log it's ...
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59 views

arduino leonardo stops transmitting once hdmi cable is connected to a screen

I am using arduino leonardo for moving mouse pointer with head tracking using MPU6050. It works fine in general. But as soon as I connect an external lcd screen to my laptop via hdmi cable, it stops ...
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1answer
306 views

Comparing orientation data obtained using gyroscope and accelerometer

Recently, I have been playing around with a gyroscope and accelerometer in the hopes of building a quadcopter. I have plotted some of the data the two sensors and I am noticing that the pitch from the ...