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RGB (RGV actually) laser projector v2.5 – graphics and animations – [via]
This is my RGB laser projector v2.5
video part 2 – graphics and animationsLasers used:
Red: 300mW 650nm (2x LPC-815 laser diode @350mA, combined with PCBS)
Green: Chinese 100mW 532nm DPSS laser module
Blue (violet): 280mW 405nm (1x SF-AW210 laser diode @270mA)Total output power (after dichros and galvos): approx. 500mW
Galvos: cheap 20kpps set
DAC used: Popelscan LPT DAC
Software: mostly NLS v1.6.7
RGB (RGV) laser projector - [Link]
ermicro.com writes:
The 8 pins PIC12F683 microcontroller is one of the smallest members of the Microchip 8-bit microcontroller families but equipped with powerful peripherals such as ADC and PWM capabilities. This make this tiny microcontroller is suitable for controlling the DC motor speed. In order to demonstrate the PIC12F683 capabilities and to make this tutorial more attractive, I decided to use the PIC12F683 microcontroller to generate simple and yet fascinating laser light show from a cheap keychain laser pointer.
Building your own Simple Laser Projector using the Microchip PIC12F683 - [Link]
www.microsyl.com writes:
This project is my second one with laser, I had learn many thing from my first green laser projector. Now I had decide to make a professional laser projector with 3 laser of 3 different color, Red, Green and Blue. And with galvos who have better spec. I had buy a 30kpps galvo, a 300mw red, 80mw green and 250mw blue.
RGB Laser Projector - [Link]
jonhdotnet writes:
Gratuitous device tracks door position with laser-printed linear quadrature encoder; commands servo to aim projector at door. Projector is a thrift store 50mm camera lens, teensy scrap of laser-printed transparency, and a 1W Cree LED. Electronics is an Atmega 8 with two Futurlec reflective IR sensors and PWM output to the servo. Source code in R-ULAV tree, available at http://rocket.jonh.net
Dynamic tracking door nameplate projector - [Link]
In the latest Electronic Design magazine there is a great article about the latest small projector chips from Syndiant. If you are interested in how the technology works Syndiant has a write up about that here. [via]
Tiny Syndiant Pico Projector – [Link]
This project shows how to build a laser projector using an Arduino, a heptagon pillbox, a cooler fan and a laser pointer. Check how it works and construction details on the link below. The heptagon pillbox scan the projection surface and produced the words. [via]
Because the mirrors are moving the reflected laser dot sweeps the screen from left to right, because it does it very quickly your eyes actually see an horizontal solid line, in this case you see 7 lines one on top of the other because the each mirror is at an angle.
DIY laser projector – [Link]
Tinkerlog writes:
Lately I was playing with my dual color LED matrix from Sparkfun. It is a matrix of 8 by 8 dual color (red and green) LEDs that measures 5 cm by 5 cm. I just had some sprites flickering across the matrix as the magnifying glass of my “third hand” came in the way. I realized, that, if in the right distance, it will project the sprites on the ceiling. Although the projection is not very bright, it works, if the room is dark enough. Disco, here I come.
LED matrix projector – [Link]
The basic idea of TinyProjector is to create the smallest possible character projector that can be either integrated into mobile device, or linked dynamically with wireless RF connections like serial low range transceivers.It used laser diodes salvaged from cheap key chain laser pointers. A micro motor with a single swiveling servo arm, making a continuous full 360-degree rotation, drives the deflection mirror, resulting in a 38-degree left-right sweep. This leads to an unusually high overall laser projection angle of 104 degrees. [via]
TinyProjector - [Link]
We’ve seen these mini projector technologies popping up all over, but it’s nice to see a working prototype, even if this PVPro unit from Light Blue Optics is merely a monochrome version. The projector is targeted at eventual use with cellphones and the video iPod, and includes no moving parts, skipping over prisms and glass to use lasers for imaging. The unit also has “infinite focus,” which purports to need no adjustment to optics for the image to be in focus, no matter what the distance. We’re glad to hear they don’t have a need for most of the traditional heat causing and energy wasting components of a projector, but we’d like to know how the device works beyond “laz0rs,” “computational algorithms,” and “novel optical techniques.” We guess they have a while to work all that out, because even though they’ll have a color version out this year, we won’t be seeing the device for sale for another “two to four years.”
New PVPro mini projector has no moving parts - [Link]
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