Questions tagged [imu]

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MKR 1000 not found in ports when MKR IMU Shield is connected

I am trying to connect my MKR IMU Shield to my MKR1000 by placing the IMU shield in the MKR1000. When I do this, however, the Arduino IDE and Simulink are unable to find the port that my Arduino is ...
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1answer
17 views

Is there a library for non-SAMD Arduinos to use the DMP on MPU9250

I would like to use the DMP of the MPU9250 with my BTLE Feather board but the docu of the official library says that only SAMP-Processors are supported. Is the a different library I can use?
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1answer
52 views

Trouble in sensor data reading sequence

I am reading from two MPU6050 sensors using Arduino Uno but it give trouble in squence. The code is perfect and also sensors reading is done. See image of serial monitor. You can see the above ...
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1answer
25 views

Remote Controlled Self-Balancing Robot - how to mix control input with IMU input?

I'm building a two-wheeled, self-balancing, remote-controlled robot. I'm familiar enough with the IMU and PID to get it working to just stand up but I need to drive it via remote control. I've got no ...
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1answer
43 views

How to power and switch on / off multiple boards at the same time?

I have many nodes. Each node consists of an MPU9250 and ESP32. Each node functions independently. They don't interact with each other. How can I power all of them at the same time, and switch them ...
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1answer
44 views

GY91 IMU module, Interrupt?

Are there interrupt Pin in the GY91 Module? If not, are there good alternative for periodic sensor reading? (apart from mcu schedule/external timer)
5
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1answer
237 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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0answers
61 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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0answers
30 views

Use uNavAHRS library get nan error

I tried using AHRS library call uNavAHRS, and have been test example sketch from github, and change little code like below: https://github.com/bolderflight/uNavAHRS/blob/master/examples/uNavAHRS-...
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1answer
211 views

Possible to connect 3 MPU9250 to Node MCU without multiplixer?

Is the idea of connecting AD0 pins of MPU9250 is still valid like the 2nd answer of this question? - How to change i2c address for mpu9250? I have connected 2 sensor as test. SCL & SDA of both ...
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2answers
549 views

How to connect MPU9250 with NodeMCU using SPI or I2C Slave?

I want to connect 3 MPU9250 sensors, but since there is just one I2C bus, so there are another 2 sensors I want to connect through SPI. Library used - https://github.com/bolderflight/MPU9250/blob/...
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59 views

How to connect 3 MPU9250 to Node Mcu together?

I don't know how to connect 3 MPU9250 together on Node Mcu. There is not much information available. I am using bolder flight library for imu sensor - https://github.com/bolderflight/MPU9250 Can ...
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1answer
52 views

Not able to convert String to Integer when receiving data from pubnub?

I did managed to upload mpu9250 sensor data on PubNub and nodeMcu but not able to use the received data to control servo Look at the Port reading and see that servo angle is still showing '0' Code:-...
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1answer
198 views

Not able to find right library for MPU9250

I am using an Arduino Uno and learning to use the motion sensor. Currently I was not able to find the library which looks simple and would like to get your suggestion. I found this https://github.com/...
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2answers
274 views

Determining direction from IMU accelerometer data

I am learning how to integrate sensors on arduinos and read their data. My ultimate purpose is to place the IMU on a robot and use it in determining the robots location in an environment. Using the ...
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0answers
662 views

MPU6500 via SPI

I'm trying to communicate with an MPU6500 sensor via SPI as I need the fastest possible update rate. I have trouble finding an easy to understand sample code, or perhaps a lightweight library how to ...
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1answer
303 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
131 views

Circuit works on breadboard but has power problems on protoboard

I'm building a simple circuit that takes data from an IMU (using MPU6050), sends it to a microprocessor (Arduino Pro Mini 5V) to apply data smoothing and averaging, and then this data is sent using an ...
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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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1answer
96 views

MPU9250+arduino pro micro strange behaviour after reset

I have an arduino pro micro + mpu9250. For test sketch I'm using https://github.com/sparkfun/SparkFun_MPU-9250-DMP_Arduino_Library It works as intended after the first sketch upload. After that if I ...
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1answer
482 views

Store values in array

I'm trying to implement the "BNO055 9 Axes Motion Shield". There is an existing Arduino sketch GitHub that reads out the Euler data, I changed it a bit to print out quaternion data. #include "...
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1answer
3k views

Getting stable measurements with the BNO055 IMU

I bought the BNO055 "smart" IMU from Adafruit, thinking it would be a simple way to get orientation data for a small mobile robot project, but I've found the thing to be very difficult to use and ...
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1answer
19 views

rev id and read_rev_id() function

What is a rev id? I have looked everywhere for a proper definition but I haven't found anything. I am trying to understand the code below. I don't understand why this read_rev_id function is necessary ...