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Hypno Butt

An analog light and sound circuit sculpture of a popular Internet meme in deadbug style

jeffrey-jacquesJeffrey Jacques
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2.9k views
15 comments
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Hypno Butt is constructed of brass wire, closeout bin and scavenged through-hole components. Light and sound patterns are made via a mixture of flicker candle LEDs, 555 timer, and hall effect sensor. He draws power through his feet. 9 Volts are his favorite but 5V will work if slumming it.

  • 1 × LM555 Clock and Timer ICs / Timer ICs
  • 2 × Flicker LED
  • 3 × 1N4148 diode
  • 1 × 30 AWG wrapping wire
  • 1 × U18 hall effect sensor

View all 12 components

  • Done for now

    Jeffrey Jacques • 01/16/2019 at 10:14 • 2 comments

    I feel pretty good about where this project is now but might revisit it sometime when I have access to a proper o-scope. Since I believe this is a novel 555 circuit using both the flicker LEDs and Hall effect components I'd like to know exactly what's happening. I've posted my theory in the comments.

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Yann Guidon / YGDES wrote 12/27/2018 at 08:57 • point

9GAGers would be crazy...

  Are you sure? yes | no

Jan wrote 12/27/2018 at 12:31 • point

More 4chan than anything, really. 9GAG is just the waste-collector of the internet, directly followed by facebook :)
4chan /b/ on the other hand went from full retard in early days to not even mildly interesting over the last few years.

  Are you sure? yes | no

Jeffrey Jacques wrote 12/29/2018 at 15:42 • point

I get all my internet from ebaum's

  Are you sure? yes | no

Emily Velasco wrote 12/27/2018 at 01:38 • point

This is great. Can you explain a little about what's going on here? I've hooked up those flicker leds to an LM386 to listen to them sing, but I didn't realize it could be done with a 555. 

  Are you sure? yes | no

Jeffrey Jacques wrote 12/27/2018 at 02:54 • point

For the same reasons they make speakers sing, as the leds go through their psuedo-random routine the current they pass / voltage across them fluctuates wildly. This is altering the charge discharge cycle on the 555. One led is fed slightly higher current making it slightly brighter and cycle faster. The hall sensor is a happy accident. I mistook it for a transistor at first (which there is one in there according to the data sheet) hooked up in this unconventional way seemed to work. My best guess is it's floating the ground or something when pulsed. I don't have a scope to check. This is loosely based off the led flasher pg 22 of Forest M Mimms III 555 mini notebook.

  Are you sure? yes | no

Emily Velasco wrote 12/27/2018 at 03:51 • point

Thanks for the explanation. A friend of mine was just asking me the other day how he might get an RGB led (the kind with the built-in chip) to sing. I'm going to pass this info along to him because it seems like it should work well for what he wants to do

  Are you sure? yes | no

Jeffrey Jacques wrote 12/27/2018 at 03:25 • point

I was thinking of amplifying it but it's already annoying enough as is

  Are you sure? yes | no

Dr. Cockroach wrote 12/27/2018 at 01:33 • point

For some reason I just have to have one of those :-D

  Are you sure? yes | no

Jeffrey Jacques wrote 12/27/2018 at 03:29 • point

Maybe if I learn how to make badges. I can't imagine hand making more of these.

  Are you sure? yes | no

Dr. Cockroach wrote 12/27/2018 at 09:13 • point

Oh, I'll give it a try but it might not be socially acceptable ;-)

  Are you sure? yes | no

Mike Szczys wrote 12/26/2018 at 17:00 • point

I hate myself for loving this one :-P

  Are you sure? yes | no

Jan wrote 12/26/2018 at 17:43 • point

don't hate yourself Mike. One sees dickbutt, one loves dickbutt.

especially this annoying strange-noises-dickbutt

  Are you sure? yes | no

Jeffrey Jacques wrote 12/26/2018 at 18:12 • point

I get that a lot lol

  Are you sure? yes | no

davedarko wrote 12/25/2018 at 10:51 • point

oh that's nice on so many levels! Love the battery "connector" and that the LEDs manipulate the 555 :)

  Are you sure? yes | no

Jeffrey Jacques wrote 12/25/2018 at 13:03 • point

thanks!

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