Need in Haiti: inexpensive portable projectors for OLPC/XO classrooms
holt at laptop.org
Wed Feb 3 19:50:50 EST 2010
Mr frÿffffffffffe9dÿffffffffffe9ric pouchal wrote:
> RoyalTek RPJ-2000 Pico Projector and a usb-to-vga (sisusb) card work perfectly well
> the projector is 640x480 , Osram’s LED that last over 20000 hours , 3M optical engine (second version) as its projection source = same image quality than 3M MPro150 , fanless , vga and composite input , 14 lumens : you need (almost) black room like in a cinema , 65” maximal projection screen size , - 100-240V 50/60Hz 0.5A or 5V 2A
> I paid 219 Euro for mine
> you may have problems watching movies due to the usb-to-vga card = the bandwidth is not that good . For example with my olpc XO-1 I can run quake2 fullscreen only at 400x300 ( with no latency )
> combined with an ipod you can watch movies at DVD quality
Can anybody confirm XO Laptops' "1200x900" resolution gets converted
cleanly to "640x480" when projected from Sugar?
For example, can the Binaries here at
http://wiki.laptop.org/go/Adding_USB_SVGA#Binaries help any teacher fire
up her/his class without much hassle?
(In this case, on OLPC Software Release 8.2.1 = Build 802 = Sugar 0.82)
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