Re: How we make experimental noise
21Yeah, that's like a much cooler version of the ElectroFaustus Drone Thing I use AND hand made. REALLY cool - the arcade-style buttons you put on there are what have me GASsing.
It is 8 simple square wave oscillators made from Schmidt Hex triggers (probably CD4584's but I cant remember). They are wired so you can set the volume and tune each Osc, and either let them drone free or flip a switch that sends them through the momentary switches to be played like a keyboard. They all get mixed through a master volume and master kill switch at the end. It is a box of really angry bees. Fun to build because from a single 14 pin dip you get 4 oscillators using only a single cap and pot for each OSC. Mega cheap easy way to make racket.twelvepoint wrote: Thu Oct 21, 2021 12:37 pm
That is awesome. Care to describe what's under the hood there? If it's a trade secret I understand!
yeah, tape. I think it was just propping up my phone.Dudley wrote: Thu Oct 21, 2021 12:49 pm That rules! Great work.
The angle the clip was shot at made the roll of tape (?) look like the gadget had a weird guitary shape with a cutaway - took me a moment to realise it was a roll of tape.
That's really cool. I'm looking at some kind of pulse generator to control a stepper motor, which spins a typewriter platen. I'm thinking arduino as the generator needs to react to some other variables, but a simple square wave circuit might be viable as well.Kniferide wrote: Thu Oct 21, 2021 2:08 pmIt is 8 simple square wave oscillators made from Schmidt Hex triggers (probably CD4584's but I cant remember). They are wired so you can set the volume and tune each Osc, and either let them drone free or flip a switch that sends them through the momentary switches to be played like a keyboard. They all get mixed through a master volume and master kill switch at the end. It is a box of really angry bees. Fun to build because from a single 14 pin dip you get 4 oscillators using only a single cap and pot for each OSC. Mega cheap easy way to make racket.twelvepoint wrote: Thu Oct 21, 2021 12:37 pm
That is awesome. Care to describe what's under the hood there? If it's a trade secret I understand!
People use these circuits as analog timers all the time.twelvepoint wrote: Thu Oct 21, 2021 3:28 pm
That's really cool. I'm looking at some kind of pulse generator to control a stepper motor, which spins a typewriter platen. I'm thinking arduino as the generator needs to react to some other variables, but a simple square wave circuit might be viable as well.
Just to go into just how interesting this thing really is...MoreSpaceEcho wrote: Thu Oct 21, 2021 6:19 pmThank you for this! And your dronzo is really cool too.
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