{"guid":"048a59af-099e-5da2-9d6e-7809830c82c5","title":"Strobolüfter: Elektronikbastelei mit Lüftern und dem Stroboskopeffekt","subtitle":null,"slug":"wicmp11-48-strobolufter-elektronikbastelei-mit-luftern-und-dem-stroboskopeffekt","link":"https://cfp.w.icmp.camp/wicmp11/talk/TSKCEZ/","description":"Ich stelle eine kleine Elektronikbastelei vor, die in den letzten Wochen im Bits'n'Bugs- und ZAM-Umfeld entstanden ist.\n\nVor ein paar Wochen kam bei einem Bits'n'Bugs-Treffen die Idee auf, Lüfter mit dem Stroboskopeffekt optisch „anzuhalten“. Klingt vielleicht erstmal einfach, wird aber interessant, wenn man nicht nur den „Stillstand“, sondern auch „langsames Drehen“ sehen will, und zwar über einen möglichst großen Drehzahlbereich. Und natürlich sollte kein Mikrocontroller (oder andere programmierbare ICs) verwendet werden, weil das wäre ja langweilig.\n\nIn diesem Vortrag möchte ich euch die Schaltung vorstellen, die dabei entstanden ist. Basis dafür sind zwei ICs aus dem ZAM-Fundus und mehrere Operationsverstärker. Mehr wird an dieser Stelle nicht verraten!\n\nIhr solltet ein grundsätzliches Verständnis mitbringen, wie sich Kondensatoren und Widerstände verhalten; der Rest wird im Vortrag erklärt (Crashkurs Operationsverstärker inklusive ;-) ).\n\nLicensed to the public under https://creativecommons.org/licenses/by-sa/4.0/","original_language":"deu","persons":["cfr34k"],"tags":["48","2026","wicmp11","Raum Meltdown","wicmp11-deu","wicmp11-eng","wicmp11","Day 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