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  2. Amateur radio homebrew - Wikipedia

    en.wikipedia.org/wiki/Amateur_radio_homebrew

    Homebrew is an amateur radio slang term for home-built, noncommercial radio equipment. [1] Design and construction of equipment from first principles is valued by amateur radio hobbyists, known as "hams", for educational value, and to allow experimentation and development of techniques or levels of performance not readily available as commercial products.

  3. N8VEM - Wikipedia

    en.wikipedia.org/wiki/N8VEM

    Other components include video boards, disk controllers, peripheral expansion, and prototyping boards. In response to interest from members, the N8VEM homebrew computing project has collaborated in developing a range of boards for the S-100 bus. These can be used to build new systems from scratch on that historic industry standard platform, or ...

  4. Homebrew Computer Club - Wikipedia

    en.wikipedia.org/wiki/Homebrew_Computer_Club

    The Homebrew Computer Club was an early computer hobbyist group in Menlo Park, California, which met from March 1975 to December 1986. The club had an influential role in the development of the microcomputer revolution and the rise of that aspect of the Silicon Valley information technology industrial complex.

  5. Kelvin water dropper - Wikipedia

    en.wikipedia.org/wiki/Kelvin_water_dropper

    Fig. 3: A Kelvin water dropper set up at the 2014 Cambridge Science Festival If the buckets are metal conductors, then the built-up charge resides on the outside of the metal, not in the water. This is part of the electrical induction process, and is an example of the related " Faraday's ice bucket ".

  6. Drawing board - Wikipedia

    en.wikipedia.org/wiki/Drawing_board

    A 19th century architect at the drawing board. A drawing board (also drawing table, drafting table or architect's table) is, in its antique form, a kind of multipurpose desk which can be used for any kind of drawing, writing or impromptu sketching on a large sheet of paper or for reading a large format book or other oversized document or for drafting precise technical illustrations (such as ...

  7. An Open Letter to Hobbyists - Wikipedia

    en.wikipedia.org/wiki/An_Open_Letter_to_Hobbyists

    At the next Homebrew Computer Club meeting, 50 copies of Altair BASIC on paper tape appeared in a cardboard box. [11] MITS offered a complete Altair system with two MITS 4K Dynamic RAM boards, a serial interface board and Altair BASIC for $995. [12] However, the $264 MITS RAM boards were unreliable, due to several component and design problems.

  8. PlayStation Portable homebrew - Wikipedia

    en.wikipedia.org/wiki/PlayStation_Portable_homebrew

    The reverse engineering process to understand the PSP hardware started shortly after the advent of homebrew unsigned code execution. This effort led to development of Toolchain [3] and SDK [4] by enthusiasts and paved the way to utilise vector floating point co-processor, GPU and audio capabilities of the device without asking Sony for permission.

  9. Kipp's apparatus - Wikipedia

    en.wikipedia.org/wiki/Kipp's_apparatus

    Kipp's apparatus, also called a Kipp generator, is an apparatus designed for preparation of small volumes of gases. It was invented around 1844 by the Dutch pharmacist Petrus Jacobus Kipp and widely used in chemical laboratories and for demonstrations in schools into the second half of the 20th century.