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Questions tagged [accelerometer]

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A component which measures G-force to detect which direction it is moved or tilted in.

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Accelerometer value meaning

I'm currently using the MPU-6050 accelerometer to receive the acceleration and angular velocity data. I'm trying to process the data for my experiment but I can't understand the exact meaning of it. I ...
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2answers
72 views

arduino acclerometer with servo motor

I'm currently working on project to operate three motors while sending accelerometer value to computer via bluetooth module. I want the motor operation and value transmission to work seperatly. But ...
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1answer
36 views

Trying to use I2C accelerometer and SPI OLED

I'm trying to stream the data coming from my I2C MMA8452Q accelerometer to an Adafruit-based SSD1351 OLED RGB display that uses SPI via an Arduino UNO. When I run example code for the accelerometer I ...
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1answer
72 views

Seeking to write a ton of information to an SD card as close to live as possible

So I've recently started a project where I am using an accelerometer, along with a SD card breakout board. I've been able to get information to write properly to the SD card with no issues whatsoever. ...
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3answers
157 views

I develop an earthquake detector but when it detects a movement, the alarm doesn't stop from ringing

This is the code that I used. Actually, I use to code: for Arduino sofware and processing IDE software. Arduino Source Code/Program: #include<LiquidCrystal.h> // lcd Header LiquidCrystal lcd(7,6,...
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1answer
51 views

Is my BMA421 locked up?

I have been trying to set up the BMA421 motion sensor in a nrf52 based smart watch, using the datasheet for the BMA423, which has the same interface. I had got the sensor working well with the ...
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1answer
54 views

Accelerometer Orientation (LIS3DH)

Newbie here! I’m trying to make a pocket level using an LIS3DH but I don’t know how to “reset” all the axis to start reading from a certain orientation since my LIS3dh won’t be mounted flat and will ...
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1answer
92 views

Can I use an accelerometer to measure the velocity of a car in a curve?

I am making an application that is used to measure the velocity, it has an accelerometer that measures the component acceleration in the XYZ-axis. When the car is moving just straight the measurement ...
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2answers
33 views

Can UNO log more PCB 353b33 accelerometer data points compared to TDS3014B oscilloscope?

I'm currently recording data points from an analog accelerometer(PCB 353b33) using a TDS3014B oscilloscope which has Record Length of 10,000 points at a Sample Rate 1.25 Ga/s. I'm want to record more ...
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0answers
77 views

Trying to use a gyro sensor and having issues

My setup is Arduino Mega. I have a gyro sensor that I'm trying to use to measure the acceleration or G force in X axis (forward movement). So far I'm trying to figure a way to use the value of Acc or ...
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2answers
242 views

Most precise way to measure Linear distance travelled by a wheel

Suppose a bot with wheels is traveling in a a straight line,and we want to measure this linear distance traversed by it as accurately as possible. One of the ways is to use an optical encoder to ...
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2answers
437 views

Arduino Nano IOT LSM6DS3 get gyro angle in degrees

I have an Arduino Nano IOT and I want to get the angle of it using the built-in gyro but I can't seem to find any example code that does this. The default Gyro and Accelerometer example code doesn't ...
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38 views

Does anyone know code for a filter that bypasses small vibrational movements in my accelerometer input data

So basically I have a DC motor that is self stabilizing a platform using an accelerometer as its input. When i hit the table, everything freaks out and the platform moves rapidly back and forth for a ...
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60 views

Is IMU of the Arduino Nano 33 BLE Sense good enough to measure acceleration?

I have to measure acceleration wirelessly for 1 or 2 seconds with a high level of precision. I appreciate any other suggestions.
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1answer
116 views

My motor driver gets stuck in either high or low with a certain speed super randomly. Motor output stops going based on accelerometer input

Running a DC motor(6.5A max input), motor driver (MD10C 7Amp peak output), and arduino Mega. Basically, I am creating a stabilized object based on the accelerometer's input. It works great but all of ...
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0answers
23 views

connect gy512 is not visible by i2c bus

I am a newbie. Please help to make gy512 visible on i2c interface. i did sda - a4 scl - a5 vcc - 5v gnd - gnd I have used i2c sticker scatch and use PC monitor.
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62 views

I am using an accelerometer as an input and a stepper motor as an output and it will have these weird delays after about 30 sec

I have a stepper motor (kysan 1124090) turning CW and CCW based on the y direction of my accelerometer(MU6090). I am using an Arduino uno. It works great but after about 30 seconds there will be these ...
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1answer
83 views

Relative position using Accelerometer

I have a simple scenario please: Two Arduino Nano 33 IoT devices started moving randomly from the same exact origin(Point = [X0, Y0, Z0]); Can I use the coordinates queried from each device ...
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1answer
144 views

Tilt Compensated Compass Using HMC5983 gives inconsistent output

I've been trying to build a tilt compensated compass for an autonomous Arduino car I'm building. I'm having issues with the consistency of my data. This is the code I'm using. #include <Wire.h>...
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1answer
207 views

ADXL345 gives wiring error in SPI mode

I get the following output from serial monitor when trying to use the ADXL345 with Arduino Uno in SPI mode (I2C mode works fine): CA Ooops, no ADXL345 detected ... Check your wiring! See photos for ...
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1answer
25 views

acelermetor count goes down after 1 peak

I am using a Wemos D1 Mini and an mpu 6050 accelerametor. I managed to get the acceleratmetor to work and have 1 value come out of movements. So when a peak it hit (aka, the threshold of 1.00 is hit) ...
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1answer
635 views

ADXL355 accelerometer code

I am doing a project which monitors vibrations using an ADXL355 sensor and an Arduino. I have used the MPU-9250 sensor before. I am not able to find a library or tutorials for calibrating, filtering, ...
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2answers
67 views

Is it possible to get values only during vibration/movement from an Accelerometer(ADXL335/MPU6050)?

I'm trying to make a wearable motion sensor using ESP32 board and ADXL335 Accelerometer. Presently when I'm serial printing the output I'm getting the tilt value as well, which have different values ...
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1answer
62 views

My gimbal program does not compile

my code: // Get Yaw, Pitch and Roll values #ifdef OUTPUT_READABLE_YAWPITCHROLL mpu.dmpGetQuaternion(&q, fifoBuffer); mpu.dmpGetGravity(&gravity, &q); mpu.dmpGetYawPitchRoll(...
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1answer
312 views

How to use H3LIS331DL 3-Axis Linear Accelerometer with arduino to detect Harsh braking of vehicle

I am a newbie here, Recently I was working with H3LIS331DL 3-Axis Linear Accelerometer I²C Mini Module Here is code for the X, Y, Z-axis. #include <movingAvg.h> #include <...
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2answers
515 views

Adafruit_LSM303 tilt compensated compass

I am having troubles with tilt compensating my compass. I am using the LSM303DLHC accelerometer/compass in combination together with the Adafruit_LSM303_U.h. I was able to get my compass to the ...
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0answers
189 views

How to manage interrupt from accelerometer BMA220?

I would like to use the interrupt register from the BMA220 accelerometer in order to detect high-g shock. I am using a Mega2560 and the sensor is powered by 3.3 V. I use a voltage divider to convert ...
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0answers
42 views

MPU-6050 showing all -1s

I am following this tutorial and have an MPU-6050 connected to an Arduino Micro with the following connections VCC - 5V/3.3V GND - GND SDA - A2 SCL - A3 I'm trying to run the short example ...
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126 views

Arduino Due ADXL345 Interference

I am working with an Arduino Due and the Analog ADXL345 through a module following this tutorial, with the wire.h library at Fast Speed (400kHz), the Accelerometer Sampling at 800Hz (for the Maximum ...
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1answer
2k 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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3answers
1k views

What is the right way to query an I2C device from an interrupt service routine?

The ADXL345, for example, requires that interrupts are responded to by querying the INT_SOURCE (interrupt source) register. In example code for the SparkFun ADXL345 Arduino Library, there is code that ...
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0answers
427 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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2answers
601 views

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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0answers
37 views

Denoising accelerometer data mounted on moving vehicles

Can you suggest a method for denoising accelerometer data mounted on moving vehicles? I have read several suggestions like using Kalman filter, moving average, etc. but I'm not sure which suit best in ...
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0answers
1k views

SOLVED Accelerometer/gyro MPU6050 is freezing after random time

SOLVED: I "solved" the problem by cycling my Arduino's power and I haven't had an issue since. I would still like to figure out what was going on. I still think it's something in that MPU6050 library ...
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4answers
539 views

How can I hook up multiple MMA8451 accelerometers, (I2C protocol) using one Arduino Mega?

How can I hook up four (adafruit) MMA8451 accelerometers (using I2C protocol) using one Arduino Mega? What I'm confused about is I only have one SDA and SCL on the Arduino Mega obviously. So how can I ...
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1answer
2k 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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1answer
375 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
346 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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235 views

FIltering, FXOS8700, FXAS21002C optimization

I'm working on an inverse pendulum project, and am using an adafruit NXP_FXOS8700_FXAS21002 along with an Arduino due, and an esp8266 (two separate projects, same code however). I'm using a Magdwick ...
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1answer
335 views

Find vehicle movement by IMU and GPS

I'm using MPU9250 which has both accelerometer and gyroscope in a vehicle. What I want is to just know that if the vehicle is currently moving or not. I searched and find out that I can't get velocity ...
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2answers
1k views

Analog vs Digital Accelerometers - pro's and con's? [closed]

For my project i need to measure accelerations up to 16g. My options are either digital accelerometers such as the MPU6050 or MPU9250 or an analog accelerometer such as the ADXL326. What are any ...
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1answer
924 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
912 views

How can I simulate an accelerometer?

I am new to Arduino. I want to simulate a circuit which uses an accelerometer ADXL335 and a DC motor. If any deviation observed in the accelerometer readings, I want the motor to rotate. Is there any ...
2
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1answer
245 views

How do I connect an accelerometer (GY-521) to a SparkFun Thing Dev (ESP8266)?

All of the wiring diagrams I've found for wiring up a GY-521 accelerometer to an Arduino have looked something like this: I've read in several places that it needs to be connected to A4 and A5. I ...
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1answer
305 views

Trying to use Tap Detection solution using ADXL345 with Arduino

I am using ADXL345 sensor connecting with Arduino via I2C interface, I am able to test the data at tri-axial axis but as there are some other features also, which I am going to try with Tap detection ...
2
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1answer
485 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
423 views

ADXL345 Data Rate seems to depend more upon Baud rate than the actual Data Rate that I set

I have an Arduino UNO that is connected to an ADXL345. The problem is I need to collect data at 50Hz at least. The ADXL345 according to its Data sheet can go up to 3200Hz without any problem. I am ...
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0answers
433 views

Sending accelerometer data using BLE to a Cordova phone app

I'm working on a simple project, that involves an Arduino sending accelerometer data to a Cordova-based phone app using BLE. I've got my Arduino wired up correctly, I think - I can see the data in ...
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1answer
3k views

What is corrrect the way to find roll, pitch, yaw?

I have an MPU9250. I have calculated accelerometer, gyroscope, magnetometer. But I want to know how to caclulate roll yaw pitch. I have searched on Google. I found many answer roll = (atan2(-...

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