LOGIN
John Rodrigues
91
Community Expert
Product Designer|Entrepreneur |Founder of designwithjohn.com
 · HonnavarIndia
Share
Report
Get Link
QUESTION
Open

What will be your first step in the project ?

2 likes 
Like
Award Contribution
Load 7 previous comments
John Rodrigues
91
Community Expert
Product Designer|Entrepreneur |Founder of designwithjohn.com
 · HonnavarIndia
Share
Report
Get Link

There is way to calculate the speed from the Shadow created my the car
Ull be needing
ARDUINO ( works well for both uno and mega)

  • LDR (Light Dependent Resistor)

  • 500 Ohms Resistor

And the circuit for it is way too simple
Connect 5V to one leg of resistor.( Connect the other leg (of resistor ) to one leg of LDR . Connect A0 (analog input) to that same leg of LDR. Connect GND to other pin of the LDR.)

The circuit calculates the time of Shadow
And calculate the speed ,app is available for that ,however this idea might have limitation at night
What do think about this ?

Like
1 like 
Award Contribution
Student (Project Leader)
 · DelhiIndia
Share
Report
Get Link

I’ll post some pics where I’ll install this setup and there is no possibility of multiple cars crossing. But there are cases when when pedestrians and vehicles travel simultaneously. So ldr may not work in such a condition. John Rodrigues what is your plan about the shadow app ? Would you please share the link or please give some more details. And how will it be installed physically to measure the speed.Amar Jyoti Bairagi There may be a case when some one is running…we don’t want to unnecessary ring a false alarm. Thanks for suggestions…

Like
1 like 
Award Contribution
John Rodrigues
91
Community Expert
Product Designer|Entrepreneur |Founder of designwithjohn.com
 · HonnavarIndia
Share
Report
Get Link
Like
0 like 
Award Contribution
Steven Reubenstone
39
Community Expert
Mechanical Engineer & Tinkerer of Things. Community Moderator.
 · New YorkU.S.
Share
Report
Get Link

What is status of ldr sensors and how can we help you??

Like
0 like 
Award Contribution
Student (Project Leader)
 · DelhiIndia
Share
Report
Get Link

Sorry for not updating the project for a long time. But here we stand, I am using the ultrasonic sensor to measure the speed of the car, as sonar works. Then if the car is overspeeding, the camera module connected with RPI will start recording the video. Then I will extract images from this video. Through image processing, I will distinguish the car from animals and humans. If it is a car, using python’s ocr or matlab code, I will convert the car’s number plate to text and send it to some other place using a GSM module. The destination will have an LCD screen that will display the text sent by the gsm module.

Like
1 like 
Award Contribution
Student (Project Leader)
 · DelhiIndia
Share
Report
Get Link

These are the challenges—

  1. The ultrasonic sensor will work in a range of 3-4 meters. The project starts as the car over speeds. So overall, we would have about 2-3 seconds to record the video, extract the image, convert to text and send it using the gsm module. So, want suggestions on how can we measure the speed of an object like 6-7 seconds before or should i find a replacement to ultrasonic sensor and use LDR??

  2. Python’s ocr is not very accurate. Any suggestions??

  3. Better camera as compared to RPI’s default camera module#?

Like
0 like 
Award Contribution
Leave a reply...
DISCOVER
CHAT
HIRE
ACTIVITY
FEED
New Post
Help
Start Project
Online Users
Share Link
Write something before you submit it!
Photo updated
Request Sent!
Updated
Copied to Clipboard