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Questions tagged [accelerometer]

A sensor to measure acceleration.

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3answers
156 views

Do registers on a chip wipe when disconnected from the power?

I'm making a project with Arduino, and I have a question about a chip I'm using, the MPU9150, a 9-axis accelerometer+gyroscope+magnetometer. I wanted to know if its registers are wiped when the power ...
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1answer
154 views

Miniture bluetooth enabled accelerometer with API or SDK [closed]

I'm getting into electronics as a hobby. For my first hobby project I want to build something like a super simple fitbit. To achieve this I need a bluetooth enabled accelerometer. I've had a look at ...
-2
votes
1answer
97 views

Measuring High Speed Angular Velocity 20,000+ rps

I'm looking for a way of measuring angular velocity in a spinning object at high speeds - up to 25,000 degrees per second. There's ridiculously expensive gyros in the market that can do this, but I'm ...
-2
votes
2answers
190 views

Filters and Accelerometers

I have just started working with the accelerometers and have referred few docs related to same. So I came across the filters used in accelerometers. I need to know, Why are there filters in the ...
-3
votes
1answer
4k views

How do you use an accelerometer as a speedometer in a car?

I was given a task to put a accelerometer inside this block diagram. I've done tons of research but still couldn't find any way. Ignore those chinese words. The left and the right is the motor of the ...
-3
votes
1answer
105 views

how to connect the pins of accelerometer MMA7361 [closed]

i have an accelerometer modulw whose pins are 5v,3.3v,x,y,z,sleep,og-detect,g select,selftest. i have connect only 5v,x,y,z please tell me how to use other pins. In my connection it gives random ...
-6
votes
1answer
145 views

How to understand data from Bluetooth LE accelerometer with X,Y,Z as single value? [closed]

I'm using a cheap BLE accelerometer MPU 6050 that notifies X, Y, Z values as a single attribute. It seems that this type of value hasn't been standardized and I don't know how to read data correctly. ...
-8
votes
2answers
259 views

(Need help ASAP!) Electric motor bike with BASIC Stamp [closed]

We're doing the project is to develop an electric motor bicycle to assist the bike rider going up steep hills. In our project, we modified a bike with combination of electric motor, goniometer sensor ...