The motion tag has no wiki summary.
5
votes
3answers
528 views
Car security solution - designing the right motion detector
My car gets broken into quite frequently. The car is right outside of our bedroom window. The break ins happen at night, and we never hear them! They must be very sneaky.
I would like to design (or ...
5
votes
4answers
689 views
low voltage motion sensor
I am looking for a motion sensor device that can track person/animal walking by it and record time/date of the event(s). It needs to be able to run on a small battery or two (maybe 2 AA's or a 9 ...
4
votes
3answers
2k views
Best way of making a trip-wire type device?
I'm wanting to make a type of electronic "trip wire".
My basic idea is to have like a laser and basically when the laser is interrupted then it sends some signal to a microprocessor.
I'm not tied ...
3
votes
4answers
556 views
Conveyor belt speed monitoring
I am new to all this so forgive the dumb rating.
I need to monitor the speed of a few conveyor belts, the belts are around 10ft to 50ft long and 3ft wide and has anything from heavy boxes to thin ...
3
votes
2answers
238 views
Electronically controlled pneumatic lift, or something similar
Need to be able to firmly lift about 110Lbs (~50Kgs) weight, through a distance of upto 12 inches. The weight can be considered to be a flat & square wooden board, hinged to a flat platform, with ...
3
votes
2answers
786 views
DIY linear servo mechanism?
This might belong on the new Makers site, but it could be applicable here too.
I'd like to position a device on a 1 meter linear shaft to within 50 microns. I can currently, with steppers, get down ...
3
votes
2answers
246 views
What type of LED lights are needed for detecting retro-reflective markers for motion capture project?
I've a project in which I want to add 10-12 led lights around webcam's lens so that the camera can detect retro-reflective tape in it's viewing area.
How this process works is something like this. ...
2
votes
3answers
170 views
What motion sensor to use for human breathing [closed]
I need a cost sensitive, reliable, durable motion sensor to track if a baby is breathing or not. This is for use in a university challenge project I hope to win. Any advice on my options are very ...
2
votes
1answer
92 views
Can I electronically trigger a PIR motion sensor?
I would like to trigger a PIR sensor using an infrared LED. Is that possible? My goal is to simulate motion in front of the PIR, when there otherwise is none. I tried using a handheld remote ...
2
votes
1answer
229 views
How to choose laser galvanometers
I am currently looking to purchase laser galvanometers like this and this. However, as I'm not familiar with lasers, I'm not sure the criteria I should use to evaluate whether a given product is a ...
2
votes
1answer
757 views
Development with InvenSense MPU-6000/6050 - where to begin?
I'd like to use a MPU-6000 chip for an AR app on an Android device.
However I have no clue where to begin, which parts I need or whatsoever.
I'm familiar a bit with Arduino, but only as a newbie.
...
1
vote
2answers
94 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
133 views
motion detected protocol
Is there a standard protocol for motion sensors, PIR sensors, etc. to tell parking lot lights, etc. that motion has been detected, so the lights need to turn on?
I'm not asking for protocols that ...
1
vote
3answers
2k views
Sample Application with LHI 778 PIR Sensor
For a motion detecting application I found a sensor with code LHI 778.
If you look at the datasheet in the link, the characteristics of its internal FET transistor is not specified and there is no ...
1
vote
1answer
344 views
Connect PIR Motion Sensor to Air Pump
I would like to hook up a PIR motion sensor like the one found here with a standard electric air mattress pump like the one found here. I'm pretty sure this is basic electronics stuff but I have zero ...
0
votes
2answers
199 views
Is a relay one way?
I'm no electrical engineer, so maybe this is a stupid question.
I want to make my own alarm system using a netduino board.
I bought a couple of motion sensors for mounting into my ceiling.
The ...
0
votes
2answers
189 views
0
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2answers
185 views
motion activated led array
I would like to have a motion activated IR LED array. I found simple instructions to make a battery operated IR light which would be installed outdoors, but how can I make it respond to motion? I have ...
-1
votes
1answer
110 views
Motion Detection Sensor [closed]
I want to create a simple Arduino-based motion detection sensor system. I'd like to put it behind some sort of covering for protection from everything going on around it. What type of sensors and ...
