Reaction test

[NyVI]

Hello!
I'm beginner with LabView, and my english is a bit rusty, but i hope you still get the idea.

I'm trying to do some kind of reaction/speed test -game with LabView. Basic idea is to test player's reaction speed.

Something like: Lamp is on, and after random time (1-10sec.) it goes out, and timer starts. When player presses some button the timer stops.
Then the program tells player's reaction time. 

Has anyone done something like this? I would really appreciate some help!

Thank You
NyVI


 

[Pnt]

This is very easy and i don't think you will need help.

A small tip: you will need "<numeric>..rundom number"  function

[Wiebe@CARYA]

Like Pnt said, it's easy. What problems do you run into? Do you want to use
real hardware to drive a lamp (and what kind of lamp)? Is the button a
keyboard button or an external digital input?

Regards,

Wiebe.

[GerdW]

Hi NyVI,

try this link to learn more about LabView...

[johnsold]

I have done similar things. What kind of hardware will you be using? That has a large influence on the way the program will be put together>

Lynn

[BenniB]

Hi Guys!

@ GerdW:

• We Tryed hard to do a reaction-game with external buttons. We get the signals from the DAQ 6008. but we didn't get it.

Maybe you could helb us.

We were so frustrated that we took your program and changed it, but the sample rate of the DAQ Assistant has to be much higher than it is right now. We tryed different positions of the DAQ-Ass. the sample rate is as long as the light is on.

I would be very thankfull for your help!!!!!!!

BenniB   

[johnsold]

BenniB,

The USB-6008 may be part of your problem.  Its digital IO is software timed and the maximum data rate is about 150 Hz.  In addition you have the unknown and somewhat random OS latency to add to your woes.  

You should consider changing your program to a state machine.  I think you probably need only one loop and no global variables.

What happens if the button is pressed before the time delay? What happens if multiple buttons are pressed simultaneously?  If Level is set to zero, your time to wait becomes infinite!  Either do not allow zero for Level or do something about the result.

Lynn