cheaper document camera* - cheap document camera1

The document camera is expensive and doesn't have the view I'm looking.
One day, looking at the back of the LCD projector, I noticed that it had a video input. . .
This made me find an old digital camera with video output!
What you need: 1.
Digital camera with video output.
LCD projector with video input installed on ceiling3.
Cable connecting the two (
1/8 "mini Jack from RCA)4.
Digital cameras have a lot of batteries (
If you have a plug. . . all the better)5. 1/4-
20 bolts/machine screws 0. 5"-0. 75" long6.
Three old yards.
Pieces of metal bent at 90 degrees or similar.
Rivets and rivets or equivalent products *(
It's just a cheap document camera. . .
If you already have an LCD projector)
The digital camera needs to aim at the work area to show what you are doing and be awake enough to not get in the way of your work or surprise you.
So I need to hang it on the ceiling.
The first time I did that, from the ceiling to the camera, the pole was short. . .
Then I lengthened it.
I need to hang it on the ceiling, but it also needs to move if I need to change anything. . .
So it's not permanent.
In addition, it needs to be close enough for the camera line to reach the projector.
So I made this device with two yards, a plastic plate/metal sheet, 90 degrees bent, with some holes in it, and finally some short bolts (1/4-
20 is something you need to screw to the bottom of the camera)
Nothing is fixed, everything is just hanging there.
Under the edge of the ceiling tile.
I drilled two holes on the ruler, one on each end.
One fixed the ruler on the metal bit and the other fixed the camera on the metal bit.
As you can see from the camera, the video is output to the projector video input.
Very easy to set up. . .
Here are some items and bads "good: cheap and easy to set up", which shows a broad view of the entire work area and can move what you may like around your students if needed.
It's just because it's different and cool, so they're changed.
Bad: all camera settings can still be seen through the projector (
They cannot be turned off on this camera model.
You can use other cameras)Eat batteries (
Some cameras have the option to insert them. . .
That would be great)
You hit the camera. . .
Your kids are all seasick!
Summary: I want to try this set
Web cam with higher resolution. . .
I ordered the camera.
You can use a digital camera with higher resolution. . .
Mine is 2 megabytes. (
Make sure the video output is really good so the details are better)
You can also use old cameras or cameras. . .
So you have a plug (no batteries)
Higher Video output resolution.
The old color security camera also works. . .
You don't need sound, you just need video.