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  • 16:5616:56, 25 April 2023 diff hist +1,572 N Optoelectronic componentsCreated page with "This page covers components which emit or detect light, or change their appearance under the control of an electrical input: how to recognise them and understand how thy might fail. <div class="showtoc"> __TOC__ </div> ==Summary== Of all our senses, sight is our richest source of information about the world around us. Naturally, then, this is often the best way in which electronic devices can communicate with us. This can be through simple indicator lights through to hi..."

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  • 21:3621:36, 18 April 2023 diff hist +15,775 N Clocks - Basic PrinciplesCreated page with "In this page we cover the basic principles of timekeeping, underlying the operation of all practical clocks. <div class="showtoc"> __TOC__ </div> ==Summary== Horology, or the science and practice of clocks and clock making has seen many changes with evolving technology, from pre-history to the present day. This is a fascinating topic, and will give you an insight into what repairs might be possible. For information on clock repair, see our Clocks page. ===Safety==..."

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