A sensor to measure acceleration.
-2
votes
1answer
52 views
Which kind of sensors should I use to mimic a reference? [closed]
My project for this summer will be to make a robot arm that does a 1:1 mimic of one of my own arms. I'm at the very beginning stages of design and am conceptualizing what it will be and how I will ...
1
vote
1answer
20 views
LSM303DLHC low-power and high precision modes
The LSM303DLHC is a 3-axis accelerometer + 3-axis magnetometer chip from ST. The datasheet is a bit light on details however. I'm trying to work out
what is different about the low-power mode and ...
0
votes
1answer
78 views
accelerometer for linear displacement
I have accelerometer readings from the android device.
I would like to know what kind of acceleration this data represents(rotation or linear acceleration).
Is there anyway I can use this data to ...
1
vote
2answers
77 views
Problems while using accelerometer as a motion switch
I am using an accelerometer ADXL206 and a microcontroller PIC16F917 to determine the relative linear motion of a device that functions according to this motion.
I can read data from the ...
1
vote
1answer
70 views
How to get translation and roation data using 6DOF MPU6150
I am trying to get the position data from an IMU 6 Degrees of Freedom (MPU-6150) board using an Arduino Uno. I am trying Jeff Rowberg’s example MPU6050_DMP6.ino that may be found here.
This is the ...
-1
votes
3answers
107 views
How to decrease the sensitivity of a sensor (accelerometer) [closed]
The accelerometer in this kit are very sensitive. Even a small touch changes the values very rapidly. I want to lower the sensitivity of the sensor. What is the way of doing this?
0
votes
3answers
77 views
Converting two's complement hex values to binary?
I'm reading x-axis accelerometer data from an IC via the I2C bus using I2C-Tools ( specifically i2cget ) in Linux. Here is the code that is reading these values:
...
5
votes
1answer
100 views
How can I lower output impedance of an accelerometer?
I'm planning to use an accelerometer with a microcontroller to measure acceleration. The issue that I have ran across is that in PIC microncontrollers the ADC requires that the connected analog ...
14
votes
4answers
8k views
How to determine position from gyroscope and accelerometer input?
I have a 3-axis accelerometer and a 2-axis gyroscope. I intend to measure something that only moves in the X and Z axis. I've heard of using Kalman filters to smooth out the acceleration vectors, but ...
0
votes
0answers
78 views
Angle errors in IMU (using Accl & Gyro)
I am making Autonomous Quad.
I am programming my IMU using ADXL335 -3 Axis analog Accelerometer & L3G4200D 3-axis digital Gyro.
I am using ARM Cortex M4F based TI's stellaris launchpad LM4F120XL.
...
0
votes
0answers
55 views
Calculating covered distance using AHSR sensor
I want to measure in real-time the distance covered by a AHSR sensor between two points
(basically I am trying to measure the stride length during the walk, so I will attach the sensor to a foot, and ...
0
votes
1answer
251 views
Wiring a GY-521 to an Arduino Uno R3?
I am searching for a non-technical picture or diagram or explicit textual instructions explaining how to wire a GY-521 Accelerometer/Gyro to an Arduino Uno R3.
I am a software developer and need ...
3
votes
1answer
93 views
Problem stacking accelerometer and SD card shields on Arduino UNO
I have an ADXL345 accelerometer on a Makershield stacked on top of a Seeed SD card shield. Both of those are stacked on an Arduino UNO R2.
I've got each working individually, but when stacked they ...
2
votes
2answers
162 views
low pass filter design for accelerometer
I find the following code for a simple implementation of a low pass filter.
#define alpha 0.1
accelX = (acceleration.x * alpha) + (accelX * (1.0 - alpha));
I have been experimenting with the value ...
3
votes
2answers
696 views
Compensating for Accelerometer Cross-Axis Sensitivity
For my inclinometer application, I use an integrated 3-D accelerometer chip that outputs analog voltage.
Before I deploy my device, I submit it collect a bunch of samples with different temperature ...
