Thingiverse
Laser projector clock / POV display by smily77
by Thingiverse
Last crawled date: 2 years, 11 months ago
Update #1: Bug fix in the Arduino program use version 1_0a
This is a laser projector (or POV display) based on 12 mirrors for displaying any alpha numeric characters. The projector as a clock in action can be seen at https://www.youtube.com/watch?v=KLzSlPYd9MY.
Usually the adjustment of the mirrors is very difficult and time demanding for a rotated mirror based laser projector. With this 3D-printed mirror wheel every mirror can be simply adjusted with a screw. It allows to use one or more lasers but the arduino I used isn't fast enough for more than two laser. The character size could be up to 12x8 dots even I use in my program only 8x5.
For the initial adjustment the program incorporates with http://www.thingiverse.com/thing:480487 but there are of course other possibilities. The projector has a large container on top this can be filled e.g. with coins in order to give it the necessary weight otherwise it starts to "walk around"
This is a laser projector (or POV display) based on 12 mirrors for displaying any alpha numeric characters. The projector as a clock in action can be seen at https://www.youtube.com/watch?v=KLzSlPYd9MY.
Usually the adjustment of the mirrors is very difficult and time demanding for a rotated mirror based laser projector. With this 3D-printed mirror wheel every mirror can be simply adjusted with a screw. It allows to use one or more lasers but the arduino I used isn't fast enough for more than two laser. The character size could be up to 12x8 dots even I use in my program only 8x5.
For the initial adjustment the program incorporates with http://www.thingiverse.com/thing:480487 but there are of course other possibilities. The projector has a large container on top this can be filled e.g. with coins in order to give it the necessary weight otherwise it starts to "walk around"
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