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  <title>e-sygoing.link — Circuit Archives</title>
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    <title>555 Timer Tutorials</title>
    <link>https://e-sygoing.link/link/5219597-555-timer-tutorials</link>
    <description>Soem real handy circuits from Williamson Labs.</description>
    <pubDate>Sat, 25 Apr 2026 20:05:23 -0400</pubDate>
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    <title>Discover Circuits</title>
    <link>https://e-sygoing.link/link/5219579-discover-circuits</link>
    <description>A collections of categorized and cross-referenced electronic circuits or schematics.</description>
    <pubDate>Tue, 21 Apr 2026 21:33:19 -0400</pubDate>
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    <title>FC&#039;s Electronic Circuits</title>
    <link>https://e-sygoing.link/link/5219573-fcs-electronic-circuits</link>
    <description>Circuits on solar power, micro power FM broadcasting, and a temperature controlled NICD charger. Some interesting circuits from Forrest Cook. And a few very good electronics links.</description>
    <pubDate>Sat, 25 Oct 2025 14:48:50 -0400</pubDate>
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    <title>Techlib.com Electronics</title>
    <link>https://e-sygoing.link/link/5219578-techlibcom-electronics</link>
    <description>Audio, PC, games, phone, oscillator, power, test equipment, and weather related schematics and information.</description>
    <pubDate>Sat, 25 Oct 2025 13:58:01 -0400</pubDate>
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    <title>Tomi Engdahl&#039;s Electronics Pages</title>
    <link>https://e-sygoing.link/link/5219586-tomi-engdahls-electronics-pages</link>
    <description>Electronic circuits and projects designed by Tomi Engdahl. Audio, video, computer, data communication, light effects and controllers, power supplies, and  telephone circuits.</description>
    <pubDate>Tue, 21 Oct 2025 13:31:13 -0400</pubDate>
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    <title>Interactive electronic circuits Analysis site</title>
    <link>https://e-sygoing.link/link/5219581-interactive-electronic-circuits-analysis-site</link>
    <description>Interactive electronic and electrical circuit analysis and tutorial site.</description>
    <pubDate>Sat, 26 Jul 2025 22:16:02 -0400</pubDate>
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    <title>EDN Archives</title>
    <link>https://e-sygoing.link/link/5219614-edn-archives</link>
    <description>Online magazine articles consist of information about circuits, software programs, listings and helpful tips.</description>
    <pubDate>Mon, 26 May 2025 06:22:29 -0400</pubDate>
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    <title>Electronic Engineers</title>
    <link>https://e-sygoing.link/link/5219583-electronic-engineers</link>
    <description>Electronics data books, passive and active component makers are listed.</description>
    <pubDate>Wed, 19 Mar 2025 18:52:55 -0400</pubDate>
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    <title>Hobby Electronics</title>
    <link>https://e-sygoing.link/link/5219598-hobby-electronics</link>
    <description>From Japan. Several interesting circuits. Some interesting theory and applications.</description>
    <pubDate>Sun, 17 Nov 2024 23:58:42 -0500</pubDate>
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    <title>Wenzel Associates Technical Library</title>
    <link>https://e-sygoing.link/link/5219587-wenzel-associates-technical-library</link>
    <description>Time, oscillation and frequency circuits, articles, and tutorials.</description>
    <pubDate>Wed, 06 Nov 2024 09:45:57 -0500</pubDate>
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