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

FAQ: Motion detection and Location Positioning query

What is motion detection and how does it work?

Motion detection is a technology used to identify and monitor movement in a specific area. It typically works by using sensors such as infrared, ultrasonic, microwave, or camera-based systems to detect changes in the environment. These sensors can measure variations in heat, sound, or visual changes to determine if an object or person is moving within the detection zone.

What are the common applications of motion detection?

Motion detection is widely used in various applications, including security systems, automatic lighting, smart home devices, wildlife monitoring, and industrial automation. In security systems, it helps in detecting unauthorized entry. In smart homes, it can trigger lights or alarms, and in industrial settings, it can monitor machinery and processes for safety and efficiency.

What is location positioning and how is it different from motion detection?

Location positioning refers to determining the precise geographical location of an object or person, typically using technologies like GPS, Wi-Fi, Bluetooth, or RFID. Unlike motion detection, which identifies movement within a specific area, location positioning provides exact coordinates or addresses. This technology is commonly used in navigation systems, asset tracking, and location-based services.

How accurate are motion detection and location positioning systems?

The accuracy of motion detection systems can vary based on the type of sensor and environmental conditions. High-quality systems can detect even minor movements with high precision. Location positioning accuracy also varies depending on the technology used. GPS can provide accuracy within a few meters, while indoor positioning systems using Wi-Fi or Bluetooth may have a range of accuracy from a few centimeters to several meters.

What are the challenges associated with motion detection and location positioning?

Challenges in motion detection include false positives due to environmental changes like lighting or temperature fluctuations, and false negatives where actual movement is not detected. For location positioning, challenges include signal interference, multipath effects, and the need for a clear line of sight to satellites in the case of GPS. Both technologies also face privacy concerns and require robust security measures to prevent unauthorized access and misuse.

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