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color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461183/">How does this Colpitts FM Oscillator work?</a>. </div> <div class="contentRow-snippet">L1 will short the gate to ground for DC, but that is fine. Q1 is a JFET that work when the gate is negative compared to the source and...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-25T07:22:24-0800" data-time="1740496944" data-date-string="Feb 25, 2025" data-time-string="7:22 AM" title="Feb 25, 2025 at 7:22 AM">Today at 7:22 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461174/">Arduino Wiring Jetpack Lights and Sound (Battery, 2 amps, 3 speakers, 2x 61 led neopixel rings & 5V motor)</a>. </div> <div class="contentRow-snippet">That could be quite interesting but the circuit diagram isn't readable in its current form. It is far too large, so that details are...</div> <ul class="listPlain listInline listInline--block"> <li> <a href="/posts/1461174/"><img src="/data/attachments/137/137984-550d06edb34041c143a7ca60a86f0b9a.jpg" alt="1740472267484.png" width="121" height="100" loading="lazy"/></a> </li> </ul> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-25T00:39:25-0800" data-time="1740472765" data-date-string="Feb 25, 2025" data-time-string="12:39 AM" title="Feb 25, 2025 at 12:39 AM">Today at 12:39 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461169/">Caravan with Xmas tree tail lights</a>. </div> <div class="contentRow-snippet">Caravans rarely connect the chassis to the electrical ground, so there has to be a ground wire running all the way from the trailer plug...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T15:25:38-0800" data-time="1740439538" data-date-string="Feb 24, 2025" data-time-string="3:25 PM" title="Feb 24, 2025 at 3:25 PM">Yesterday at 3:25 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> reacted to <a href="/posts/1461168/">alec_t's post</a> in the thread <a href="/threads/caravan-with-xmas-tree-tail-lights.167392/">Caravan with Xmas tree tail lights</a> with <span class="reaction reaction--medium has-reaction reaction--1" data-reaction-id="1"><i aria-hidden="true"></i><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="reaction-sprite js-reaction" alt="Like" title="Like" /> <span class="reaction-text js-reactionText"><bdi>Like</bdi></span></span>. </div> <div class="contentRow-snippet">I'd guess there's at least one poor earth (chassis) connection. Welcome to ETO!</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T15:16:35-0800" data-time="1740438995" data-date-string="Feb 24, 2025" data-time-string="3:16 PM" title="Feb 24, 2025 at 3:16 PM">Yesterday at 3:16 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461153/">Programmatically pressing buttons with 4n25/MAX395, multiplex or suggested setup</a>. </div> <div class="contentRow-snippet">On the side of the board with the components there are test pads. I can't trace them visually, but I think that each set of button...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T07:15:09-0800" data-time="1740410109" data-date-string="Feb 24, 2025" data-time-string="7:15 AM" title="Feb 24, 2025 at 7:15 AM">Yesterday at 7:15 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> reacted to <a href="/posts/1461066/">ZipZapOuch's post</a> in the thread <a href="/threads/programmatically-pressing-buttons-with-4n25-max395-multiplex-or-suggested-setup.167347/">Programmatically pressing buttons with 4n25/MAX395, multiplex or suggested setup</a> with <span class="reaction reaction--medium has-reaction reaction--1" data-reaction-id="1"><i aria-hidden="true"></i><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="reaction-sprite js-reaction" alt="Like" title="Like" /> <span class="reaction-text js-reactionText"><bdi>Like</bdi></span></span>. </div> <div class="contentRow-snippet">The. Carbon switches make contact across the pairs of "E" s without solder mask. Note there are two pairs of E shapes for each button...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T07:12:52-0800" data-time="1740409972" data-date-string="Feb 24, 2025" data-time-string="7:12 AM" title="Feb 24, 2025 at 7:12 AM">Yesterday at 7:12 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461152/">Programmatically pressing buttons with 4n25/MAX395, multiplex or suggested setup</a>. </div> <div class="contentRow-snippet">As the communication from the keypads is only to the rest of the infotainment unit I would not expect LINbus to be used. LINbus used...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T07:10:23-0800" data-time="1740409823" data-date-string="Feb 24, 2025" data-time-string="7:10 AM" title="Feb 24, 2025 at 7:10 AM">Yesterday at 7:10 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> reacted to <a href="/posts/1461150/">ZipZapOuch's post</a> in the thread <a href="/threads/programmatically-pressing-buttons-with-4n25-max395-multiplex-or-suggested-setup.167347/">Programmatically pressing buttons with 4n25/MAX395, multiplex or suggested setup</a> with <span class="reaction reaction--medium has-reaction reaction--1" data-reaction-id="1"><i aria-hidden="true"></i><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="reaction-sprite js-reaction" alt="Like" title="Like" /> <span class="reaction-text js-reactionText"><bdi>Like</bdi></span></span>. </div> <div class="contentRow-snippet">Note that Ford tends to use CanBus for mission critical elements but LinBus for ambient lighting, HVAC, etc.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T06:55:13-0800" data-time="1740408913" data-date-string="Feb 24, 2025" data-time-string="6:55 AM" title="Feb 24, 2025 at 6:55 AM">Yesterday at 6:55 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> reacted to <a href="/posts/1460880/">Pommie's post</a> in the thread <a href="/threads/programmatically-pressing-buttons-with-4n25-max395-multiplex-or-suggested-setup.167347/">Programmatically pressing buttons with 4n25/MAX395, multiplex or suggested setup</a> with <span class="reaction reaction--medium has-reaction reaction--1" data-reaction-id="1"><i aria-hidden="true"></i><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="reaction-sprite js-reaction" alt="Like" title="Like" /> <span class="reaction-text js-reactionText"><bdi>Like</bdi></span></span>. </div> <div class="contentRow-snippet">You'll probably find it's already multiplexed. Is it a fairly newish car? Do you know if it has a can bus? Mike.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-24T06:54:12-0800" data-time="1740408852" data-date-string="Feb 24, 2025" data-time-string="6:54 AM" title="Feb 24, 2025 at 6:54 AM">Yesterday at 6:54 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461141/">What is this capacitor?</a>. </div> <div class="contentRow-snippet">One photo appears to show a space for a component labelled R10. The wires for that have changed from one photo to another, and the shape...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-23T23:55:51-0800" data-time="1740383751" data-date-string="Feb 23, 2025" data-time-string="11:55 PM" title="Feb 23, 2025 at 11:55 PM">Sunday at 11:55 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461129/">Help needed for Induction Heater circuit</a>. </div> <div class="contentRow-snippet">I was under the impression that L3 and L4 were the induction coil, and that the transformer formed by L3, L4 and L2 is the model of the...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-23T15:32:00-0800" data-time="1740353520" data-date-string="Feb 23, 2025" data-time-string="3:32 PM" title="Feb 23, 2025 at 3:32 PM">Sunday at 3:32 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461118/">Help needed for Induction Heater circuit</a>. </div> <div class="contentRow-snippet">You don't appear to have any leakage inductance (https://en.wikipedia.org/wiki/Leakage_inductance) in the model. I think that the...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-23T07:49:37-0800" data-time="1740325777" data-date-string="Feb 23, 2025" data-time-string="7:49 AM" title="Feb 23, 2025 at 7:49 AM">Sunday at 7:49 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461111/">Help needed for Induction Heater circuit</a>. </div> <div class="contentRow-snippet">The Q factor of the tuned circuit is so low that resonance won't happen. The Q from the inductor is 2*π*L/R That is 2 * π * 0.000002 /...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-23T00:52:06-0800" data-time="1740300726" data-date-string="Feb 23, 2025" data-time-string="12:52 AM" title="Feb 23, 2025 at 12:52 AM">Sunday at 12:52 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461094/">Costco tyres</a>. </div> <div class="contentRow-snippet">Yes, but I don't know if that applies to all makes.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-22T06:48:16-0800" data-time="1740235696" data-date-string="Feb 22, 2025" data-time-string="6:48 AM" title="Feb 22, 2025 at 6:48 AM">Saturday at 6:48 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Diver300"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/diver300.73824/" class="avatar avatar--s avatar--default avatar--default--dynamic" data-user-id="73824" data-xf-init="member-tooltip" style="background-color: #9933cc; color: #e0c2f0"> <span class="avatar-u73824-s" role="img" aria-label="Diver300">D</span> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/diver300.73824/" class="username " dir="auto" data-user-id="73824" data-xf-init="member-tooltip">Diver300</a> replied to the thread <a href="/posts/1461088/">Costco tyres</a>. </div> <div class="contentRow-snippet">Today some tyres had got as much as 3 psi low, so I topped them all up, and in doing so proved that the car had worked out which wheel...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2025-02-22T04:12:25-0800" data-time="1740226345" data-date-string="Feb 22, 2025" data-time-string="4:12 AM" title="Feb 22, 2025 at 4:12 AM">Saturday at 4:12 AM</time></div> </div> </div> </li> </ul> <div class="block-footer js-newsFeedLoadMore"> <span class="block-footer-controls"><a href="/members/diver300.73824/latest-activity?before_id=390979" class="button" data-xf-click="inserter" data-append=".js-newsFeedTarget" data-replace=".js-newsFeedLoadMore"><span class="button-text"> Show older items </span></a></span> </div> </div> <div class="block-outer block-outer--after"> <div class="block-outer-opposite"> </div> </div> </div> </li> <li data-href="/members/diver300.73824/recent-content" role="tabpanel" aria-labelledby="recent-content"> <div class="blockMessage">Loading…</div> </li> <li data-href="/members/diver300.73824/about" role="tabpanel" aria-labelledby="about"> <div class="blockMessage">Loading…</div> </li> </ul> </div> </div> <div class="p-sidebarWrapper"> <div class="p-body-sidebar"> <div id='div-gpt-eto_customsearchbox'> <script> googletag.cmd.push(function() { googletag.display('div-gpt-eto_customsearchbox'); 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