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-   -   pic: IR Sensor on a Vex Robot!! (http://www.chiefdelphi.com/forums/showthread.php?t=60320)

Richard McClellan 22-12-2007 22:25

pic: IR Sensor on a Vex Robot!!
 

Jeff 801 22-12-2007 22:25

Re: pic: IR Sensor on a Vex Robot!!
 
wow very cool and i must say good job

avatarrobodude 23-12-2007 10:55

Re: pic: IR Sensor on a Vex Robot!!
 
That is amazing! After all the threads ive seen about not being able to get the board to work in the first place, you guys actually managed to rig it up to vex robot? I am in awe. Now I cant wait to get in to use ours!

billbo911 23-12-2007 12:35

Re: pic: IR Sensor on a Vex Robot!!
 
Now that's what I'm talking about!!!

Thank you very much.
I am a strong believer that just about anything you want to do in FRC can be prototyped in Vex.

Now you have a working code base to use as a model to build code after Kick Off.
Sweet!!

Aren_Hill 23-12-2007 17:19

Re: pic: IR Sensor on a Vex Robot!!
 
How did you attach the board?
details on which one the ground ends up in (black orange white)
and where the signal wires go?

Richard McClellan 23-12-2007 21:24

Re: pic: IR Sensor on a Vex Robot!!
 
Quote:

Originally Posted by Aren_Hill (Post 663258)
How did you attach the board?
details on which one the ground ends up in (black orange white)
and where the signal wires go?

The IR board itself is just Velcroed to the top of the vex controller. The wires coming from pins 5-8 on the IR board are going to the inner pin of 4 digital IO ports on the vex controller. The inner pin is always for the signal line, normally a white wire, though we made ours yellow. The power line is not used, and the ground reference was already the same because we powered the Vex controller and the IR board off of the same battery.

GBIT 23-12-2007 22:12

Re: pic: IR Sensor on a Vex Robot!!
 
That is sweet now you just need to put it on an FRC bot!!!!

keen101 23-12-2007 22:23

Re: pic: IR Sensor on a Vex Robot!!
 
So my hypothesis was correct.

A lot of people were asking about how to hook it up to the big robot.

So you just wire up spare PWM's (white wire) and use the outputs as regular sensors.

GBIT 23-12-2007 22:26

Re: pic: IR Sensor on a Vex Robot!!
 
that would make sense. i think .......IDK im mech.

T3_1565 23-12-2007 22:47

Re: pic: IR Sensor on a Vex Robot!!
 
Quote:

Originally Posted by GBIT (Post 663315)
that would make sense. i think .......IDK im mech.

lol me too...........

GBIT 23-12-2007 23:07

Re: pic: IR Sensor on a Vex Robot!!
 
yea all i know is red goes to red black goes to black and touching a hot iron is a bad idea........yea haha

billbo911 24-12-2007 00:09

Re: pic: IR Sensor on a Vex Robot!!
 
Quote:

Originally Posted by GBIT (Post 663329)
yea all i know is red goes to red black goes to black and touching a hot iron is a bad idea........yea haha

Ahhh, wisdom. You will go far in life.

Aren_Hill 24-12-2007 03:03

Re: pic: IR Sensor on a Vex Robot!!
 
so basically for inputting this into a pwm on the rc we'd just use the signal wire? only 1?
i'm mech too lol

GBIT 24-12-2007 09:16

Re: pic: IR Sensor on a Vex Robot!!
 
Quote:

Originally Posted by billbo911 (Post 663337)
Ahhh, wisdom. You will go far in life.


yea and you would of thought it would be common knowledge.

Richard McClellan 24-12-2007 13:23

Re: pic: IR Sensor on a Vex Robot!!
 
Quote:

Originally Posted by Aren_Hill (Post 663352)
so basically for inputting this into a pwm on the rc we'd just use the signal wire? only 1?
i'm mech too lol

You can use just the 1 signal wire if you have a common ground between the IR board and the RC, which we did because we used the same battery to power both devices. This will most likely be the case on your FIRST robot as well.

I'm actually a college student majoring in mechanical engineering, but I do know a bit of electrical stuff, hopefully I explained that well enough.

Brandon Holley 25-12-2007 01:32

Re: pic: IR Sensor on a Vex Robot!!
 
i'm mech too, but try and learn as much as you can about stuff like this, it will take you a lot further than you think...why you can specialize in 1 area, why not make yourself an uber engineer and learn about everything...

Richard McClellan 25-12-2007 02:41

Re: pic: IR Sensor on a Vex Robot!!
 
Quote:

Originally Posted by Brandon Holley (Post 663582)
i'm mech too, but try and learn as much as you can about stuff like this, it will take you a lot further than you think...why you can specialize in 1 area, why not make yourself an uber engineer and learn about everything...

I definitely agree, no engineering task in the real world today involves just one engineering discipline. And, you can't tinker around building robots by yourself if you only know the mechanical stuff, you've got to have a little electrical background too!


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