Motion detection and Location Positioning query

In summary, the objective of the project is to design a system that can detect motion and report it to a user, or report the location of an object to a user. The bonus is to combine both functions. The proposed idea is to use an accelerometer and a gyroscope to detect movement and calculate position. The challenge is to determine the best method for reporting these signals. The project is a combination of a school project and a family DIY project, intended to show the practical application of science to a 13-year-old daughter.
  • #1
city boy
2
3
Hi All,
I'm working on a project for my kids, objective is:

- Design a system that can detect motion and report to a user (report method is not prescribed)
OR
- Design a system that can report the location of an object to a user (report method is not prescribed)

BONUS Marks:
Design a system that combines both.

So the idea we've had is to combine an accelerometer to a gyroscope. This will be able to detect both movement and calculate position. The issue I've had through is how to then have these signals reported, either to a phone app or computer site.

I'm not great with the developments in communications so not sure if this is something that is relatively simple to do or super complex.

Would really appreciate thoughts/ ideas & suggestions.

Cheers

City Boy
 
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  • #2
Welcome to PF.

Is this a project for your kids' schoolwork, or is it just a family DIY project for fun?

Also -- How old are your kids? What grade(s) are they in school?
 
Last edited:
  • #3
Hi Berkeman
bit of both really. Daughter is not really taking to science at the minute (she's 13 so at the end of second year of secondary school in UK) so thought this would be something fun to work on together to show her how useful science can be!

Second we are thinking of getting a bee hive...unfortunately thefts of these things are quite high....despite the number of stings you get!

Thought this would be a good way to keep track of them should they get stolen.

She'll get credit at school for building an outside project as well, so winning all round!

thx
 
  • Like
Likes BillTre and berkeman

1. What is motion detection and how does it work?

Motion detection is a technology used to identify and track movement within a specific area. It works by using sensors that monitor changes in the environment, such as infrared sensors detecting heat changes or cameras using image analysis to detect changes in the position of objects. When motion is detected, the system can trigger various actions, such as recording video, sending alerts, or turning on lights.

2. What are the common types of location positioning systems?

Common types of location positioning systems include GPS (Global Positioning System), which uses satellites to provide outdoor geolocation; Wi-Fi positioning, which uses the strength of nearby Wi-Fi signals to determine a device's location indoors; and Bluetooth-based systems, which use the proximity of Bluetooth beacons for indoor location tracking. Other methods include cellular triangulation and inertial navigation systems.

3. What are the applications of motion detection technology?

Motion detection technology is widely used in various fields. In security, it helps in monitoring and alerting any unauthorized access. In smart home systems, it can automate lighting, heating, or cooling systems based on occupancy. In retail, it can track customer movements to analyze behavior and improve store layouts. Additionally, it's used in wildlife monitoring and traffic control systems.

4. How accurate are GPS systems for location positioning?

GPS systems are generally very accurate for outdoor location positioning, typically within a few meters. The accuracy can be affected by factors such as atmospheric conditions, obstructions like buildings or trees, and the quality of the GPS receiver. Techniques like Differential GPS (DGPS) can improve accuracy to about one meter or less by correcting signals.

5. What privacy concerns are associated with motion detection and location positioning technologies?

Privacy concerns related to these technologies include unauthorized surveillance and data collection. There is a risk that sensitive location and movement data could be misused if accessed by unauthorized parties. Ensuring data encryption, securing data storage, and implementing strict access controls, as well as transparent data policies, are crucial for mitigating these risks and protecting individual privacy.

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