Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
how to control the speed of an ac table fan?
hello! can anyone explain to me how a 3 speeds table fan
work? what are the factors that are controlling the speed of
a normal table fan? Is it by varying the voltage or changing
the magnetic field? (maybe can explain in the way that how a table fan...
From this circuit,
https://obrazki.elektroda.pl/85_1293084480.jpg (lower sensitivity circuit)
the 1nF capacitor and 10k resistor that i circled out will be my high pass filter, but how to calculate the gain of that high pass filter? and what's the cut off frequency of that filter?, Can somebody...
hi all, i'm working on a project call sound recognition desktop fan. These are the circuits that i designed out. The 1st circuit is having higher sensitivity, which means it can detect any sound from the environment, but my project is to use hand clapping sound to trigger the fan to on. So i...
hi all, i'm working on a project call sound recognition desktop fan. These are the circuits that i designed out. The 1st circuit is having higher sensitivity, which means it can detect any sound from the environment, but my project is to use hand clapping sound to trigger the fan to on. So i...
sorry for asking stupid question, i know it's easy for you, but it might be difficult for me as a beginner. So in order to filter out low frequency, i should design a high pass filter?
i also don't know how to make it, i tried to consult many people, none of them can do that, i'm currently doing my final year project on sound recognition desktop fan, my lecturer insist to have only hand clapping sound to trigger the fan to start. I tried to design out bandpass filter but it...
Re: clap switsh
hi all, the mics can detect any sound from environment. How to make it to just detect the hand clapping sound? I noticed that the circuit provided by him can detect any sound from environment right? If so, this cannot be called as clap switch lolx?
---------- Post added at...
hi all! i'm doing a sound recognition desktop fan. I'm using hand clapping to trigger its speed. So i need to filter out all other unwanted sound except for hand clapping sound. I have tried to design a 2.2k-2.8khz bandpass filter to filter that, but it did not work. Is it my frequency range...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
