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  2. Digital model railway control systems - Wikipedia

    en.wikipedia.org/wiki/Digital_model_railway...

    Hornby Railways Zero 1 was a forerunner to the modern digital model railway control system, developed by Hornby in the late 1970s. It was based around the TMS1000 four-bit microprocessor. The Zero 1 system enabled the simultaneous control of up to 16 locomotives and up to 99 accessories such as points and signals.

  3. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    The 37.5 mm length is not derived by a certain scale ratio. While HO scale is a 1:87 scale (3.5 mm to 1 foot), resulting in a 16.5 mm ( 0.65 in) gauge from real life prototype 1,435 mm ( 4 ft 81⁄2 in) standard gauge standard gauge. Conversely, modeling standard gauge in Lego trains would yield a scaling of (37.5:1435 =) 1:38.3.

  4. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    Exact HO scale (half O of 7 mm = 1 foot) 1:87: 3.503 mm: Model railways (HO/h0) Civilian and military vehicles. Often used to describe HO scale. Original nominal 25 mm figure scale; though a 6-foot human in 1:87 is closer to 21 mm. 1:82: 3.717 mm An intermediate scale (HO/OO) intended to apply to both HO and OO scale train sets. Also used for ...

  5. Roli's light-up Lumi keyboard teaches you how to play - Engadget

    www.engadget.com/2019-06-18-roli-lumi-keyboard.html

    The keys themselves aren't full-size, but the DS5.5 size means they're about 7/8ths size; this helps to keep Lumi small and portable while offering a key size that should be comfortable for a ...

  6. 3 ft gauge rail modelling - Wikipedia

    en.wikipedia.org/wiki/3_ft_gauge_rail_modelling

    On3 – Using O scale (1:48 ratio) with 0.75 in (19.05 mm) gauge track. Probably the second most popular scale. F scale – using 1:20.3 ratio with 45 mm (1.772 in) gauge track. This scale uses the same gauge as, and is derived from the popular G scale. It is the largest popular scale/gauge combination, and is suitable for use in the garden.

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. The best smart scales for 2024 - Engadget

    www.engadget.com/best-smart-scale-160033523.html

    Mi (Xiaomi) Body Composition Scale 2 ($29.99) Our cheapest model, Xiaomi / Mi’s Body Composition Scale 2 is as bare-bones as you can get, and it shows. It often takes a long while to lock on to ...

  9. Kontrol S-Series MK3 hands-on: A high-end MIDI keyboard for ...

    www.engadget.com/kontrol-s-series-mk3-hands-on-a...

    The Native Instruments Kontrol S Series MK3 keyboards are available for preorder today starting at $749 for the S49, $849 for the S61 and $1,299 for the S88. All three are expected to start ...