Lightium | Electronics Forum (Circuits, Projects and Microcontrollers)

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class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457732/">Induction coils, turns, diameter, length, value, shape.</a>. </div> <div class="contentRow-snippet">Can you post a better schematic pic, so I can better advise you.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-22T12:02:50-0800" data-time="1732305770" data-date-string="Nov 22, 2024" data-time-string="12:02 PM" title="Nov 22, 2024 at 12:02 PM">Yesterday at 12:02 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457679/">LTSpice initial conditions help, please?</a>. </div> <div class="contentRow-snippet">ctrl<mouse click> with the cursor over the trace title gets you the power. ctrl alt with the cursor over the component gets you the power.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-21T11:44:21-0800" data-time="1732218261" data-date-string="Nov 21, 2024" data-time-string="11:44 AM" title="Nov 21, 2024 at 11:44 AM">Thursday at 11:44 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457676/">LTSpice initial conditions help, please?</a>. </div> <div class="contentRow-snippet">I think I know what your asking. What you do is in the parameters for the cap, in the field for the voltage you type "ic=v". v is your...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-21T11:08:00-0800" data-time="1732216080" data-date-string="Nov 21, 2024" data-time-string="11:08 AM" title="Nov 21, 2024 at 11:08 AM">Thursday at 11:08 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> reacted to <a href="/posts/1457645/">crutschow's post</a> in the thread <a href="/threads/switch-circuit.166881/">switch circuit</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">It appears to be connected to +12V. And the pull-down can be no larger than 1kΩ to insure Reset (look at the reset voltage and current...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-20T18:46:24-0800" data-time="1732157184" data-date-string="Nov 20, 2024" data-time-string="6:46 PM" title="Nov 20, 2024 at 6:46 PM">Wednesday at 6:46 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457644/">What to do with switches?</a>. </div> <div class="contentRow-snippet">Oooh, I am shopping for a label maker right now.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-20T18:01:24-0800" data-time="1732154484" data-date-string="Nov 20, 2024" data-time-string="6:01 PM" title="Nov 20, 2024 at 6:01 PM">Wednesday at 6:01 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457639/">What to do with switches?</a>. </div> <div class="contentRow-snippet">OK Nigel, good to know someone's got the spirit.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-20T15:36:16-0800" data-time="1732145776" data-date-string="Nov 20, 2024" data-time-string="3:36 PM" title="Nov 20, 2024 at 3:36 PM">Wednesday at 3:36 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457635/">What to do with switches?</a>. </div> <div class="contentRow-snippet">I have no need for them. So, I guess I'll just donate them.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-20T14:28:29-0800" data-time="1732141709" data-date-string="Nov 20, 2024" data-time-string="2:28 PM" title="Nov 20, 2024 at 2:28 PM">Wednesday at 2:28 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> reacted to <a href="/posts/1457628/">atferrari's post</a> in the thread <a href="/threads/what-to-do-with-switches.166912/">What to do with switches?</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">Due to my lack of experience, when starting with electronics, I bought on the counter a big bunch of extremely cheap pushbuttons. Some...</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-20T14:27:16-0800" data-time="1732141636" data-date-string="Nov 20, 2024" data-time-string="2:27 PM" title="Nov 20, 2024 at 2:27 PM">Wednesday at 2:27 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457627/">What to do with switches?</a>. </div> <div class="contentRow-snippet">Those are them. I've got about 40 push button switches and 40 two position toggles.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-20T10:45:27-0800" data-time="1732128327" data-date-string="Nov 20, 2024" data-time-string="10:45 AM" title="Nov 20, 2024 at 10:45 AM">Wednesday at 10:45 AM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457588/">What to do with switches?</a>. </div> <div class="contentRow-snippet">No, these a good C&K switches from long ago.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-19T17:34:23-0800" data-time="1732066463" data-date-string="Nov 19, 2024" data-time-string="5:34 PM" title="Nov 19, 2024 at 5:34 PM">Tuesday at 5:34 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457587/">What to do with switches?</a>. </div> <div class="contentRow-snippet">I could make a keyboard, but my budget is stretched already.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-19T17:31:42-0800" data-time="1732066302" data-date-string="Nov 19, 2024" data-time-string="5:31 PM" title="Nov 19, 2024 at 5:31 PM">Tuesday at 5:31 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> posted the thread <a href="/threads/what-to-do-with-switches.166912/">What to do with switches?</a> in <a href="/forums/general-electronics-chat/">General Electronics Chat</a>. </div> <div class="contentRow-snippet">I have a few handfuls of 0.4VA toggle and push button switches. And I have no good purpose for them. Anyone got any ideas?</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-18T17:38:07-0800" data-time="1731980287" data-date-string="Nov 18, 2024" data-time-string="5:38 PM" title="Nov 18, 2024 at 5:38 PM">Monday at 5:38 PM</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> reacted to <a href="/posts/1457472/">Nigel Goodwin's post</a> in the thread <a href="/threads/2n2222a-npn-transistor-as-current-amplifier.166890/">2N2222A NPN transistor as Current Amplifier</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'll doubt you'll get an answer, but it seems pretty obvious he meant positive (+ve), perhaps to do with his native language?.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-16T15:32:12-0800" data-time="1731799932" data-date-string="Nov 16, 2024" data-time-string="3:32 PM" title="Nov 16, 2024 at 3:32 PM">Nov 16, 2024</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457470/">2N2222A NPN transistor as Current Amplifier</a>. </div> <div class="contentRow-snippet">If I may ask a question here, what is +ive?</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-16T07:21:42-0800" data-time="1731770502" data-date-string="Nov 16, 2024" data-time-string="7:21 AM" title="Nov 16, 2024 at 7:21 AM">Nov 16, 2024</time></div> </div> </div> </li> <li class="block-row block-row--separated " data-author="Lightium"> <div class="contentRow"> <span class="contentRow-figure"> <a href="/members/lightium.206952/" class="avatar avatar--s" data-user-id="206952" data-xf-init="member-tooltip"> <img src="/data/avatars/s/206/206952.jpg?1696537212" srcset="/data/avatars/m/206/206952.jpg?1696537212 2x" alt="Lightium" class="avatar-u206952-s" width="48" height="48" loading="lazy" /> </a> </span> <div class="contentRow-main"> <div class="contentRow-title"> <a href="/members/lightium.206952/" class="username " dir="auto" data-user-id="206952" data-xf-init="member-tooltip">Lightium</a> replied to the thread <a href="/posts/1457338/">Best way to put voltage taps on 30a wire on transformer secondary winding?</a>. </div> <div class="contentRow-snippet">What voltages are you dealing with? Electrical tape is only good for 600 volts.</div> <div class="contentRow-minor"><time class="u-dt" dir="auto" datetime="2024-11-11T13:22:31-0800" data-time="1731360151" data-date-string="Nov 11, 2024" data-time-string="1:22 PM" title="Nov 11, 2024 at 1:22 PM">Nov 11, 2024</time></div> </div> </div> </li> </ul> <div class="block-footer js-newsFeedLoadMore"> <span class="block-footer-controls"><a href="/members/lightium.206952/latest-activity?before_id=386375" 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/lightium.206952/recent-content" role="tabpanel" aria-labelledby="recent-content"> <div class="blockMessage">Loading…</div> </li> <li data-href="/members/lightium.206952/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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