Water drop simulator

272

03:24:38

Replace 8ohm resistor with 8ohm speaker

published 11 years ago

balandisburkuolis

11 years ago

The resistor and capacitor define the frequency

thebugger

11 years ago

A normal speaker will have a frequency response starting from 20Hz. And here its 1.6Hz. You'll probably end up destroying a speaker. Plus your output is DC and not AC.

hurz

11 years ago

There is no constant DC so the speaker will be ok. There will be a loud click sound ever 625ms. This 20Hz thing from buggzy is just valide for sinwave. Such a spike made by this circuit is like a dirac impuls and has a broad band of frequencies in its spectrum above 1.6Hz. Keep it up!

kolatt

11 years ago

I need to study work.

thebugger

11 years ago

I didn't mean DC but meant that the wave doesn't go from positive to negative like a sinewave but stays on only the positive side with each spike. And I partially accept the part about the speaker. If the speaker is too low power it might break

hurz

11 years ago

The membran will only go into one direction, but importante it goes back to its idle/off position and everything will be ok. What problem do you expect with this? And what is your problem with the power? I can help you to calculate it, its 360mA spike current so P=I^2×R= 1Watt.

thebugger

11 years ago

Exactly. You must take it into consideration. You can't put a 200mW speaker and expect it to be ok. Plus the frequency is too low for an ordinary speaker. It'll be heard in a series of pops on the speaker.

hurz

11 years ago

The frequency is ok. It will be loud and clear click noise to hear. Its a spike and not a sinwave. 200mW speaker are ok, they can easy handle 1Watt spikes. 200mW is just an average value.

MidnightSun

11 years ago

Speakers, if im not wrong , should have 2 power values, one being max power for short time.

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