Society of Robots - Robot Forum
Electronics => Electronics => Topic started by: aruna1 on April 29, 2010, 10:19:58 AM
-
hi
I have a laser torch (one that comes as a key tag).
is there anyway to do something useful with this?
like obstecle sensor? should be some thing that can be made with some comman components.
thanks
-
For an obstacle sensor you could use a camera to detect the beam, but that isn't very easy. You can't easily make an obstacle sensor with it.
-
Hi,
I have a laser torch (one that comes as a key tag).
is there anyway to do something useful with this?
like obstecle sensor?
If it has to be simple, you could use it as a broken beam detector by shining it on an LDR.
For an obstacle detector, you need to modulate the beam and use a photo transistor with an amplifier with eg. a PLL tone detector (like NE567/XR567) that sense when the beam lights up an object. It will be more involved and ambient light might be a problem if used outdoors.
-
Hi,
I have a laser torch (one that comes as a key tag).
is there anyway to do something useful with this?
like obstecle sensor?
If it has to be simple, you could use it as a broken beam detector by shining it on an LDR.
For an obstacle detector, you need to modulate the beam and use a photo transistor with an amplifier with eg. a PLL tone detector (like NE567/XR567) that sense when the beam lights up an object. It will be more involved and ambient light might be a problem if used outdoors.
HI,
can we sense reflection of laser beam? its not like sensing IR reflection
-
Here are some link for Laser Rangefinder
http://letsmakerobots.com/node/2989?page=1 (http://letsmakerobots.com/node/2989?page=1)
http://letsmakerobots.com/node/2651 (http://letsmakerobots.com/node/2651)