So all you need is one spinning mirror and two laser pointers side by
each? one track for hours and one for minutes.
Don
Chris Albertson
I still like my laser pointer design. I've been thinking about it and
the parts count is lower than I first thought. Here is how it works
Aim a laser
On Tue, Apr 2, 2013 at 1:42 AM, Don Latham d...@montana.com wrote:
So all you need is one spinning mirror and two laser pointers side by
each? one track for hours and one for minutes.
No, Just one laser pointer. It you want two dots you turn it one
twice per scan. If you want 100 dots you
Got that, but i think two separate lines were required, one for hours
and one for minutes?
Don
Chris Albertson
On Tue, Apr 2, 2013 at 1:42 AM, Don Latham d...@montana.com wrote:
So all you need is one spinning mirror and two laser pointers side by
each? one track for hours and one for
On Tue, Apr 2, 2013 at 12:25 PM, Don Latham d...@montana.com wrote:
Got that, but i think two separate lines were required, one for hours
and one for minutes?
Yes. If two lines are needed a second laser is likey cheaper than
trying to rig a vertical scan mirror
Put if all that is needed is a
Well, if you want to do it, I have 5 old Brush penmotors
Don
Chris Albertson
On Tue, Apr 2, 2013 at 12:25 PM, Don Latham d...@montana.com wrote:
Got that, but i think two separate lines were required, one for hours
and one for minutes?
Yes. If two lines are needed a second laser is
One needs to think of better resolution here. How about a mirror galvanometer?
http://www.ebay.com/itm/Leeds-Northrup-Mirror-Galvanometer-/121086073505?pt=LH_DefaultDomain_0hash=item1c314adaa1
Hi:
If I remember correctly this is to go above a wide screen TV.
That means there's no space in front for a projector.
It also means the light level needs to be fairly dim when the TV is being watched at night and fairly bright in the
daytime (but the latter is of much less importance).
The
