A component which measures G-force to detect which direction it is moved or tilted in.
0
votes
1answer
28 views
Function not successfully reading sensor registers
I'm trying to write a library for an accelerometer/magnetometer sensor. The sensor is a LSM303D chip (https://www.pololu.com/file/0J703/LSM303D.pdf).
I've written a function, readRegister() (below) ...
0
votes
4answers
79 views
Detect a non-human moving object
I would like to design a system in which I am able to make a light flash when a motion sensor detects a movement of a non human object such as a car.
(The goal here being that when a car is moving ...
0
votes
1answer
90 views
What should be the delay to be given for reading accelerometer
I have five accelrometer sensors (MMA 7361) connected to the analog channels of Arduino Duemilanove. I am using the following code to read the data. (I am reading from only one axis from each sensor.)
...
0
votes
1answer
32 views
is there any possibility of connecting ACCELEROMETER + ARDUINO UNO + GSM module together?
I am lakshman a mechanical engineer,i have a question that is there any possibility of connecting ACCELEROMETER + ARDUINO UNO + GSM module together???
so that i can take the output value from ...
0
votes
1answer
14 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 ...
-2
votes
1answer
46 views
Need help in modifying the design
I am planning to do a project on Sequential tilt motion lock using Arduino uno and accelerometer. I would like to present the accelerometer within a rotatable object. So what other components do i ...
0
votes
1answer
17 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 ...
0
votes
0answers
20 views
Possibility of interfacing accelerometer, Arduino Uno, and GSM module together
I want to connect:
An accelerometer (ADXL335/337);
An analogue to digital convertor (ADC0804);
An Arduino Uno, and;
A GSM module (SIM900a).
I want the GSM module to function only when a certain ...
1
vote
1answer
18 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 ...
2
votes
2answers
48 views
Sensing horizontal tilt
I'm building a digital gear shift knob, which would display current gear (1-5, R) and based on readings from OBD-II change color when gear shifting is required, to save on fuel consumption.
I need a ...
1
vote
1answer
27 views
XL335B accelerometer reports false readings
I'm using an XL335B accelerometer in a GY-61 breakout board. I'm powering the device using the UNO's built-in 3.3V power supply. The following code should convert the readings to m/s² (SI); however, ...
1
vote
1answer
356 views
Problem with interpretting and using the IMU data
I am using MPU6050 IMU for getting accelerometer and gyro data. I could read the data using the code from the I2Cdev library here, but the problem I have is that I can't use this data in a meaningful ...
0
votes
2answers
41 views
is any windows application available for accelerometer based computer mouse
I want to make an AIR mouse using Arduino
and accelerometer, for this i used USB to TTL
converter i have done everything successfully
but can anyone tell me how use it in computer.
I mean i don't know ...
0
votes
0answers
24 views
How do I convert 3-axis accelerometer data (x, y, z) into a useful and presentable vibration unit (preferably ft/s²)?
I've purchased this sensor from Sparkfun and wish to collect real time vibration data from it. After hours of research I've been unable to find any real solution to this question, only that it seems ...
3
votes
2answers
285 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 ...
0
votes
1answer
15 views
is any windows application available for accelerometer based computer mouse [duplicate]
I want to make an AIR mouse using Arduino and accelerometer, for this i used USB to TTL converter i have done everything successfully but can anyone tell me how use it in computer. I mean i don't know ...
0
votes
1answer
44 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 ...
0
votes
1answer
37 views
Arduino stk500_getsync(): not in sync [duplicate]
We have an arduino pro mini, we are trying to trying to upload sketch the controller but we are prohibited, as the arduino attempt to upload the sketch, it display an error of: not in sync.
We are ...
0
votes
0answers
57 views
Problem with the GY-85s accelerator (ADXL345). Not sure if hardware or software
I have a GY-85 IMU (ITG3205 + ADXL345 + HMC5883L) hooked up to an arduino mega. When using the razor AHRS headtracking code, I have a problem where the accelerators z-axis doesn't change from 511.
...
1
vote
2answers
139 views
Need a simple accelerometer visualization example!
I'm doing a project using the ADXL335 accelerometer from SparkFun. The actual project I'm using P5 and it's working great. I'm running workshops in parallel and want to demo the chip in real-time but ...
0
votes
1answer
398 views
How to change i2c address for mpu9250?
I'd like to connect 12 mpu9250 sensors to one arduino board.
I can't find documentation on how to change the addresses of mpu9250 boards. (i read through the reference ). Some tutorials talk about ...
1
vote
0answers
42 views
Interfacing accelerometer LSM303DLH with Arduino UNO using I2C
I am trying to connet a tri axis accelerometer LSM303DLH to arduino UNO using the libraries taken from the following links (https://github.com/adafruit/Adafruit_LSM303DLHC and/or ...
0
votes
0answers
87 views
Streaming IMU data over BLE using Sparkfun 6 DOF and Blend Micro
I am trying to use the RedBear Blend Micro to send data captured by my SparkFun 6 DOF IMU. I am completely lost, and if anyone has any documentation I can read, or even tutorials that work for this ...
0
votes
2answers
92 views
How do I connect two slaves of same type in I2C?
I am not experienced about I2C communications, but I do happen to have two HMC5883L magnetometer modules that I wish to connect to a single arduino. It uses I2C protocol, and hence the slave device ...
0
votes
1answer
229 views
collecting & visualizing sensor data - best approach?
I'm working on a kite-related project where I'm using Arduino + accelerometer to track data while a kite is in the air. I am struggling a little with the best approach - help on the following ...
1
vote
1answer
41 views
How to protect sensors used on atheletes?
I'm working on a project were we are trying to attach accelerometers to soccer players and capture various aspects of movement data. Breadboarded circuits are coming along nicely and I'm now looking ...
0
votes
0answers
404 views
MPU-6050 giving strange data
I'm using an MPU-6050 chip in order to calculate orientation. It is connected to an Arduino Pro Mini. I am using code written by Jeff Rowberg that uses the internal DMP. The 57600 baud rate crashes ...
0
votes
0answers
40 views
Memsic Accelerometer not returning T value
I hooked up a Memsic2125 accelerometer to a Arduino Uno. X and Y values are returning fine, but the T value is returning -4000 every time.
// these constants won't change:
const int xPin = 2; // ...
1
vote
1answer
454 views
Calculating Angles from MPU6050
I've been playing with a GY521 breakout recently with the MPU6050 chip on it, though i've hit a bit of a problem that I can't quite work out
I know when I rotated the board I rotated ~90 degrees ...
0
votes
1answer
59 views
How to Segment Accelerometer Signal at idle points
I'm using an 3 axis Accelerometer(GY-521) to get the acceleration data and also the gyroscope to get the gyro data. I want to segment the signals at the idle points so that i can get the segmented ...
0
votes
1answer
100 views
Dead reckoning with an accelerometer
Is it possible to use an Arduino, connected to a 3 axis accelerometer, to estimate a platform's continuous change in position and orientation? I have a small mobile robot, and given an initial ...
1
vote
1answer
183 views
Using IMU for a small Arduino and bluetooth support
I'm gonna start a project with an IMU with a bluetooth support inside a small board (mini or lillypad) and send datas to the mobile phone. But I'm quite new to those kind of technologies.
I'm going ...
1
vote
1answer
114 views
9 DoF Sensor Accelerometer Readings Inconsistent
I have the following sensor stick: https://www.sparkfun.com/products/10724
It has an accelerometer, gyroscope, and magnetometer.
I have connected it to an arduino and am reading the accelerometer ...
1
vote
1answer
676 views
Enable free fall detection using Arduino
I'm trying to get an arduino board to detect simple free fall condtions. Currently, I have a 9DOF sensor (https://learn.sparkfun.com/tutorials/lsm9ds0-hookup-guide) and am able to get the raw data ...
1
vote
2answers
308 views
How can I implement sensor fusion using a gyroscope and a magnetometer to find the orientation?
I am working on Fall Detection in humans. A system that would raise alarm when a person falls. For this I plan to use acceleration to see if it is a fall and orientation change to reduce false ...
1
vote
1answer
342 views
square root of large number
I've got 2 int16_t numbers, say 388 and 10288, which are sensor readings from an accelerometer. I want to estimate the angle of the device on that, but seemingly there are some type overflow issues:
...
0
votes
0answers
129 views
ANALOG ANGLE CONVERSION FROM +70 DEG TO -70 DEG
I am using below sensor (accelometer ).My application is solar tracker, Where i wanted to convert the sensor output into +70 degree to -70 degree format.My question How to convert the angle
#define ...
0
votes
1answer
464 views
How do I proceed with a fall detection sensor?
I am working on a human fall detection system using accelerometer and gyroscope which raises alarm in case of a fall. In all the papers I have read people have used net acceleration magnitude and ...
1
vote
2answers
294 views
Bit mask first 2 bits of 16 bits for accelerometer
The datasheet for the accelerometer states that:
Here is the data output from the accelerometer:
I have tried to mask the first two bits using a bitwise AND command with B0011111111111111.
I ...
2
votes
1answer
451 views
Using Arduino Micro with MPU6050
I have an Arduino Micro and an MPU6050 gyro/accelerometer board; I want to read DMP data from the MPU6050, but the sketch requires the use of the interrupt pin, of which I have none of the interrupt ...
0
votes
1answer
676 views
Setting up the MMA8452 to trigger interrupt
I am working with the MMA8452q accelerometer by Freescale. I am trying to set it up to be in low power mode, to go to sleep when no motion has happened, and to wake up due to motion being detected ...
1
vote
1answer
427 views
MMA7660 accelerometer with ATTiny85
I'm trying to make the ATTiny85 work with the MMA7660 accelerometer, so far, without any success. Google search for "ATTiny85 MMA7660" gives poor results, and I'm not sure it has been done at all, at ...
5
votes
1answer
140 views
Do gyroscopes purposefully show erroneous data?
I tested an MPU-6050 (GY-521) using an Arduino Nano. I used the I2CDevLib and opened the MPU6050_DMP6.ino with the Arduino IDE. I opened the MPUTeapot.pde Processing-file with Processing. A few ...
