Why pay somebody to do it for you when you can build it yourself! Build Your Own Server web page gives you instructions how to build your own file server. This server is based on normal PC hardware runs using Ubuntu Linux operating system. →
YouTube video U2 360 tour hampden park time lapse is a time-laps of the u2 concert being set up in Hampden Park Scotland. According the video decription I took over 3000 photos 1 minute apart over several days to create this five minute video. →
Ground loop elimination in video systems does not always ask for a complete isolation of the grounds. There are passive hum suppressor transformers that will very effectively remove the hum from the video signal, but do not affect the video signal otherwise. Those special transformers act like a common mode coils, which stop the annoying →
RC filter or amplifier’s lowpass filter at the input of a delta-sigma ADC is normally put there to reduce noise. But sometimes adding a filter can produce a noisier digital output than without that filter. Using an analog filter to inject noise article tells that it is as easy to eliminate higher-frequency noise with an →
Researches are developing a new generation of contact lenses built with very small circuits and LEDs. They promises bionic eyesight in the future. Bionanotechnology researcher Babak A Parviz writes about his research toward producing a computer interface in a contact lens at IEEE Spectrum article Augmented Reality in a Contact Lens. The author states that, →