Kevin Santo Cappuccio
@architeuthisflux.bsky.social
Nonsense enthusiast / degenerate thing maker / obligate goofy-goober
https://www.crowdsupply.com/architeuthis-flux/jumperless-v5
https://hackaday.io/architeuthisFlux
https://www.tindie.com/stores/architeuthisflux/
https://www.crowdsupply.com/architeuthis-flux/jumperless-v5
https://hackaday.io/architeuthisFlux
https://www.tindie.com/stores/architeuthisflux/
Whatever you think this is for, I promise you it's more ridiculous than that.
October 28, 2025 at 6:55 PM
Whatever you think this is for, I promise you it's more ridiculous than that.
My hobby: putting cap sense pads in everything and then never actually using them
October 21, 2025 at 7:37 PM
My hobby: putting cap sense pads in everything and then never actually using them
I need to reorder another batch of Jumperless V5s so of course I had to change something. rev7 will have 2 sets of wiggly friction-fit OLED headers on the main board. And you can scoot it over to the right when it would be covered with an Arduino or the Raspberry Pi adapter or something.
October 21, 2025 at 4:54 PM
I need to reorder another batch of Jumperless V5s so of course I had to change something. rev7 will have 2 sets of wiggly friction-fit OLED headers on the main board. And you can scoot it over to the right when it would be covered with an Arduino or the Raspberry Pi adapter or something.
Yeah, it totally can. It's become such a core thing that the next batch of boards I order will have the I2C headers on the main board too so you don't need to use that adapter board.
(I guess you don't really *need* to use it now, you can just assign the I2C lines to connect somewhere else.)
(I guess you don't really *need* to use it now, you can just assign the I2C lines to connect somewhere else.)
October 17, 2025 at 5:20 PM
Yeah, it totally can. It's become such a core thing that the next batch of boards I order will have the I2C headers on the main board too so you don't need to use that adapter board.
(I guess you don't really *need* to use it now, you can just assign the I2C lines to connect somewhere else.)
(I guess you don't really *need* to use it now, you can just assign the I2C lines to connect somewhere else.)
omg finally, the feature everyone wanted on the OG Jumperless like 2 years ago. Wire colors on the breadboard now match the ones you set in your @wokwi.com project!
October 17, 2025 at 4:32 PM
omg finally, the feature everyone wanted on the OG Jumperless like 2 years ago. Wire colors on the breadboard now match the ones you set in your @wokwi.com project!
This very ridiculous thing is coming along nicely. It's not even meant to be a projector, there was just a huge hole in the case so I decided to throw a lens in there.
September 2, 2025 at 4:50 PM
This very ridiculous thing is coming along nicely. It's not even meant to be a projector, there was just a huge hole in the case so I decided to throw a lens in there.
The liquid is ferric chloride. It's really not all that toxic to humans, there's just a ton of warnings because it'll eat copper pipes if you pour it down the drain. But I think people conflate that with it being straight-up alien blood to non-copper things too.
September 2, 2025 at 4:50 PM
The liquid is ferric chloride. It's really not all that toxic to humans, there's just a ton of warnings because it'll eat copper pipes if you pour it down the drain. But I think people conflate that with it being straight-up alien blood to non-copper things too.
Kinda crazy how easy it is to bust out one-off PCBs with a sharpie and some liquids
September 2, 2025 at 4:50 PM
Kinda crazy how easy it is to bust out one-off PCBs with a sharpie and some liquids
This object continues to get sillier...
August 29, 2025 at 4:44 PM
This object continues to get sillier...
men will literally do whatever this is instead of using a slip ring
August 27, 2025 at 8:26 PM
men will literally do whatever this is instead of using a slip ring
But also I'm biased because Jumperless is so hopelessly out of reach for even the best home fab equipment. Even apparently real board fabs, one had to throw away 800 PCBs and say they can't do it because they couldn't hit the clearances.
(I'm saying this as a challenge, please try it)
(I'm saying this as a challenge, please try it)
August 25, 2025 at 5:43 PM
But also I'm biased because Jumperless is so hopelessly out of reach for even the best home fab equipment. Even apparently real board fabs, one had to throw away 800 PCBs and say they can't do it because they couldn't hit the clearances.
(I'm saying this as a challenge, please try it)
(I'm saying this as a challenge, please try it)
Yeah once I wrote a helper function to cycleTerminalColors() and hand picked ~54 of them that reliably look good in a terminal, it got really easy to just toss those in everywhere to visually separate things.
August 25, 2025 at 5:31 PM
Yeah once I wrote a helper function to cycleTerminalColors() and hand picked ~54 of them that reliably look good in a terminal, it got really easy to just toss those in everywhere to visually separate things.
I'm always giving my friends shit for doing PCB assembly at home and then turn around and do this bushcraft-ass home fab stuff for one-offs with a vinyl cutter and a sharpie.
August 25, 2025 at 4:28 PM
I'm always giving my friends shit for doing PCB assembly at home and then turn around and do this bushcraft-ass home fab stuff for one-offs with a vinyl cutter and a sharpie.
Some echinoderms can evert their stomachs to digest prey outside of their body. Here we see a starfish eating a selector switch:
August 25, 2025 at 4:24 PM
Some echinoderms can evert their stomachs to digest prey outside of their body. Here we see a starfish eating a selector switch:
Please continue being not afraid...
I decided since it's a selector switch and doesn't go all the way around, I'm just gonna bust this out on FR1 with ferric chloride and just use wires through the middle.
I decided since it's a selector switch and doesn't go all the way around, I'm just gonna bust this out on FR1 with ferric chloride and just use wires through the middle.
August 24, 2025 at 8:01 PM
Please continue being not afraid...
I decided since it's a selector switch and doesn't go all the way around, I'm just gonna bust this out on FR1 with ferric chloride and just use wires through the middle.
I decided since it's a selector switch and doesn't go all the way around, I'm just gonna bust this out on FR1 with ferric chloride and just use wires through the middle.
No idea how I'm gonna get those signals down but I can tell you right now it's not gonna be a fucking slip ring.
*Narrator* It's probably going to be a slip ring.
*Narrator* It's probably going to be a slip ring.
August 24, 2025 at 5:26 PM
No idea how I'm gonna get those signals down but I can tell you right now it's not gonna be a fucking slip ring.
*Narrator* It's probably going to be a slip ring.
*Narrator* It's probably going to be a slip ring.
So a friend asked me for an LED controller, so when @alpenglow.bsky.social was doing an APEX mission I asked her to find some cool panel to use (with no further detail.)
Somehow she read my fucking mind because that one on the left is what I was going to use, and on the right is what she got me.
Somehow she read my fucking mind because that one on the left is what I was going to use, and on the right is what she got me.
August 24, 2025 at 5:24 PM
So a friend asked me for an LED controller, so when @alpenglow.bsky.social was doing an APEX mission I asked her to find some cool panel to use (with no further detail.)
Somehow she read my fucking mind because that one on the left is what I was going to use, and on the right is what she got me.
Somehow she read my fucking mind because that one on the left is what I was going to use, and on the right is what she got me.
Be not afraid of The Recursive Knob...
August 24, 2025 at 5:20 PM
Be not afraid of The Recursive Knob...
I've put this into the main firmware as an app with this handy little hookup guide. I'll generalize it at some point to make it work with any SPI display and hook it into the onboard python interpreter so you can send GFX calls to draw whatever you want.
August 22, 2025 at 5:13 PM
I've put this into the main firmware as an app with this handy little hookup guide. I'll generalize it at some point to make it work with any SPI display and hook it into the onboard python interpreter so you can send GFX calls to draw whatever you want.
I don't remember ordering this JDI MIP display (like an off-brand SHARP Memory LCD), but drunk Aliexpress Kevin really knocked it out of the park on this one.
August 21, 2025 at 7:39 PM
I don't remember ordering this JDI MIP display (like an off-brand SHARP Memory LCD), but drunk Aliexpress Kevin really knocked it out of the park on this one.
Oh yeah it also does this now, it's like, a totally useable mixed signal logic analyzer (which was the cause of this nonsense and also the reason I've been so quiet for the last month)
August 20, 2025 at 3:56 AM
Oh yeah it also does this now, it's like, a totally useable mixed signal logic analyzer (which was the cause of this nonsense and also the reason I've been so quiet for the last month)
Doomscrolling a packaging supplier's example styles has me like a kid in a candy store, except that last one, I can't open it because it's a child safety box.
August 15, 2025 at 4:49 PM
Doomscrolling a packaging supplier's example styles has me like a kid in a candy store, except that last one, I can't open it because it's a child safety box.
"Hey let's make sure this stock photo hand model doesn't make us a meme and hold the soldering iron by the metal bit by just turning it on for the shoot and setting it to a bajillion degrees."
August 10, 2025 at 5:14 AM
"Hey let's make sure this stock photo hand model doesn't make us a meme and hold the soldering iron by the metal bit by just turning it on for the shoot and setting it to a bajillion degrees."
Wait, are Frensel lenses just sine waves with the upper bits missing?
August 1, 2025 at 4:43 AM
Wait, are Frensel lenses just sine waves with the upper bits missing?
I'm getting confident enough that the way python does certain things is garbage for my particular needs and that I can shove the C++ API into Jython (in this case they're pretty similar but I get the feeling this is a gateway drug that ends with a new Arduino C++/Python mashup language.)
July 17, 2025 at 3:50 PM
I'm getting confident enough that the way python does certain things is garbage for my particular needs and that I can shove the C++ API into Jython (in this case they're pretty similar but I get the feeling this is a gateway drug that ends with a new Arduino C++/Python mashup language.)