I built a simple rangefinder with a IR led, accurate up to 150cm. I thougt it would be possible to replace the IR Led with a laser and make a meter with a much greater maximum distance. I can't find solutions searching the internet. It seems it's not so simple as replace IR with laser buy I can't fi...

I have the Rpi for a week now and having lots of fun playing with it. Since yesterday the fun is changing to frustration.. While watching a film (over Network, file of 4gb) yesterday the Pi kept crashing during playback of the film. A day earlier, another film, same size, there was no problem, no cr...