Questions tagged [accelerometer]
A component which measures G-force to detect which direction it is moved or tilted in.
188 questions
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Why are outputs (altitude and vertical velocity) still unstable (goes to negative infinity) after 2d Kalman filtering GY86 data?
I am using MS5611 in GY86 and ESP32 Dev kit to get the vertical velocity and altitude after running a 2d Kalman filter to it. (I modified the code from episode 19 of Carbon Aeronautics drone playlist)....
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Sampling rate too slow
I have an Arduino Nano connected to an Adafruit H3LIS331 accelerometer. The sampling is initiated by a button press, which sets a delay to prepare for the measurement, and then the sampling begins. ...
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Do I connect multiple I2C units to the microcontroler in series or parallel?
I have a project (still planning) with three I2C sensors: GPS, 3-axis gyro+accelerometer, and OLED. Do I connect SDA/SCL in series, or do I connect them in parallel?
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Arduino Nano 33 BLE power consumption optimization
I am working on building a sensor using Arduino Nano 33 BLE that will measure temperature using two thermistors and angle changes. The measured values will be transmitted over Bluetooth to a ...
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AsyncMqttclient publish affects accelerometer readings
Using M5StickC ESP32 with built-in MPU6886 accelerometer to read vibrations. In the loop() section the code gets 10 readings per second and if the readings exceed a threshold, it starts publishing the ...
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STK8231 accelerometer, getting two axis (x & y data) but not z, also in 0-255
Here is the datasheet I followed: https://lcsc.com/product-detail/Motion-Sensors-Accelerometers_SENSORTEK-STK8321_C966924.html
We are trying the following code:
#include <Wire.h>
int ...
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Quaternion values from Arduino 9-axis motion shield seem very wrong
I am currently usinga BNO055 sensor fitted on the Arduino Nine-axis motion shield to measure ocean wave heights and periods. To do this, I'd like to use the quaternions provided, however I have a ...
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Does anyone have code that successfully calculates velocity from an accelerometer
I'm trying to calculate the speed of a rocket for my project. I've been given the task of calculating this with an adxl3xxx accelerometer sensor. I'm not sure how to go about this as an accelerometer ...
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Stabilize data from four gyros/accelerometer [closed]
I am currently working on a university project. My aim is to get a rough estimate of the posture of a person's back. For this I have built a system that collects the data from 4 MPU6050 at a central ...
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Extract Static Acceleration from MPU6050 using Formula
I am trying to implement a research paper for my project and there is a formula which I am failing to interpret:
According to the research paper, we extract the static acceleration component for each ...
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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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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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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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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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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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Arduino Nano 33 IoT LSM6DS3: get gyro angle in degrees
I have an Arduino Nano 33 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'...
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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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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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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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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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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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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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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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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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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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