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A quantitative, multimodal wearable bioelectronic device for stress assessment

https://www.nature.com/articles/s41467-025-67747-9
1•PaulHoule•1m ago•0 comments

Why Big Tech Is Throwing Cash into India in Quest for AI Supremacy

https://www.wsj.com/world/india/why-big-tech-is-throwing-cash-into-india-in-quest-for-ai-supremac...
1•saikatsg•1m ago•0 comments

How to shoot yourself in the foot – 2026 edition

https://github.com/aweussom/HowToShootYourselfInTheFoot
1•aweussom•2m ago•0 comments

Eight More Months of Agents

https://crawshaw.io/blog/eight-more-months-of-agents
2•archb•4m ago•0 comments

From Human Thought to Machine Coordination

https://www.psychologytoday.com/us/blog/the-digital-self/202602/from-human-thought-to-machine-coo...
1•walterbell•4m ago•0 comments

The new X API pricing must be a joke

https://developer.x.com/
1•danver0•5m ago•0 comments

Show HN: RMA Dashboard fast SAST results for monorepos (SARIF and triage)

https://rma-dashboard.bukhari-kibuka7.workers.dev/
1•bumahkib7•5m ago•0 comments

Show HN: Source code graphRAG for Java/Kotlin development based on jQAssistant

https://github.com/2015xli/jqassistant-graph-rag
1•artigent•10m ago•0 comments

Python Only Has One Real Competitor

https://mccue.dev/pages/2-6-26-python-competitor
2•dragandj•12m ago•0 comments

Tmux to Zellij (and Back)

https://www.mauriciopoppe.com/notes/tmux-to-zellij/
1•maurizzzio•12m ago•1 comments

Ask HN: How are you using specialized agents to accelerate your work?

1•otterley•14m ago•0 comments

Passing user_id through 6 services? OTel Baggage fixes this

https://signoz.io/blog/otel-baggage/
1•pranay01•15m ago•0 comments

DavMail Pop/IMAP/SMTP/Caldav/Carddav/LDAP Exchange Gateway

https://davmail.sourceforge.net/
1•todsacerdoti•15m ago•0 comments

Visual data modelling in the browser (open source)

https://github.com/sqlmodel/sqlmodel
1•Sean766•17m ago•0 comments

Show HN: Tharos – CLI to find and autofix security bugs using local LLMs

https://github.com/chinonsochikelue/tharos
1•fluantix•18m ago•0 comments

Oddly Simple GUI Programs

https://simonsafar.com/2024/win32_lights/
1•MaximilianEmel•18m ago•0 comments

The New Playbook for Leaders [pdf]

https://www.ibli.com/IBLI%20OnePagers%20The%20Plays%20Summarized.pdf
1•mooreds•18m ago•0 comments

Interactive Unboxing of J Dilla's Donuts

https://donuts20.vercel.app
1•sngahane•20m ago•0 comments

OneCourt helps blind and low-vision fans to track Super Bowl live

https://www.dezeen.com/2026/02/06/onecourt-tactile-device-super-bowl-blind-low-vision-fans/
1•gaws•22m ago•0 comments

Rudolf Vrba

https://en.wikipedia.org/wiki/Rudolf_Vrba
1•mooreds•22m ago•0 comments

Autism Incidence in Girls and Boys May Be Nearly Equal, Study Suggests

https://www.medpagetoday.com/neurology/autism/119747
1•paulpauper•23m ago•0 comments

Wellness Hotels Discovery Application

https://aurio.place/
1•cherrylinedev•24m ago•1 comments

NASA delays moon rocket launch by a month after fuel leaks during test

https://www.theguardian.com/science/2026/feb/03/nasa-delays-moon-rocket-launch-month-fuel-leaks-a...
1•mooreds•24m ago•0 comments

Sebastian Galiani on the Marginal Revolution

https://marginalrevolution.com/marginalrevolution/2026/02/sebastian-galiani-on-the-marginal-revol...
2•paulpauper•28m ago•0 comments

Ask HN: Are we at the point where software can improve itself?

1•ManuelKiessling•28m ago•2 comments

Binance Gives Trump Family's Crypto Firm a Leg Up

https://www.nytimes.com/2026/02/07/business/binance-trump-crypto.html
1•paulpauper•28m ago•1 comments

Reverse engineering Chinese 'shit-program' for absolute glory: R/ClaudeCode

https://old.reddit.com/r/ClaudeCode/comments/1qy5l0n/reverse_engineering_chinese_shitprogram_for/
1•edward•28m ago•0 comments

Indian Culture

https://indianculture.gov.in/
1•saikatsg•31m ago•0 comments

Show HN: Maravel-Framework 10.61 prevents circular dependency

https://marius-ciclistu.medium.com/maravel-framework-10-61-0-prevents-circular-dependency-cdb5d25...
1•marius-ciclistu•31m ago•0 comments

The age of a treacherous, falling dollar

https://www.economist.com/leaders/2026/02/05/the-age-of-a-treacherous-falling-dollar
2•stopbulying•31m ago•0 comments
Open in hackernews

Bumble Berry Pi – A Cheap DIY Raspberry Pi Handheld Cyberdeck

https://github.com/samcervantes/bumble-berry-pi
195•MakerSam•3mo ago

Comments

poisonborz•3mo ago
> I wanted something small enough to fit into a pants pocket

I always wanted to know what kind of pants people wear who say that to this device size (see also Nintendo DS & co)

MakerSam•3mo ago
I wear size 36 Levi's and this one fits in my back pocket
QuantumNomad_•2mo ago
That’s a risky place to put it, if you forget it’s there and sit down heh
cydodon•2mo ago
That is the advantage of the size! There is little chance you will forget that you have the device in your pocket =P
TechSquidTV•3mo ago
check out my Steam Deck, so portable.
mouse_•3mo ago
ds (XL, even) fits in my skinny jeans
floundy•3mo ago
Either cargo pants, or their waist size is much larger than average.
wkjagt•3mo ago
My DS XL definitely fits in my pants pockets. They're pretty loose fitting pants but not overly so.
rtaylorgarlock•2mo ago
vintage army cargo pants on right now, baggy af and ready for any 'portable' device I throw at them
estebank•2mo ago
Hell, some baggy pants could fit an entire SNES in them!

https://youtu.be/rY9uitdQIpg?si=5RfMcQvFFvS_GadJ

phantasmish•2mo ago
IDK about pants pockets, but blazer- and sport-coat-wearing needs to make a comeback. Those hip pockets that can comfortably hold all the old pulp "pocket size" paperbacks from back in the day are so damn nice. Great for enormous modern smartphones, too.
WillAdams•2mo ago
I miss the old Travelsmith shirts which had pockets sufficiently large to comfortably hold a Sony PRS-505/600 ebook reader. Since then, I did get a pair of shirts which have similarly large pockets which will accept my Kindle Paperwhite and/or Samsung Galaxy Note 10+, but really wish I'd bought more of them, and am kind of stumped for replacing them when they wear out.
sprobertson•2mo ago
I printed the casing just to see - it actually does fit in my levi pockets (front and back), but looks and feels a bit ridiculous to actually walk around with
Etheryte•2mo ago
As a man who wears jeans with a bit of stretch to them, I can easily (but not comfortably) fit a large can of beer in each of the four pockets. A small device is no problem compared to that.
embedding-shape•2mo ago
As a man who lives in sweatpants, I could probably fit two cans in the pockets of my current pants, if I try really hard.
arkensaw•2mo ago
Cargo pants!
voidUpdate•2mo ago
Generally, these sorts of devices struggle to fit in normal trouser pockets, especially women's pockets, but I'm happy that I managed to find women's jeans that actually have reasonable sized pockets, at least big enough to fit my pixel 7a in the front pocket. Still might be a bit small for this though. My hoodie pockets would probably hold it just fine though.
fer•2mo ago
For a while I daily carried an Asus EeePC 901 in my jacket's pocket. Surprisingly comfy if I carried something on the other pocket on top. But yeah my jacket had exceptional pockets.
dec0dedab0de•2mo ago
If you can't fit a Nintendo DS in your pocket you need new pants. Personally, I am annoyed I can't fit an NES in my pocket.
hiccuphippo•2mo ago
I feel like "fits in my pants pockets" is one of those weird ways to measure size, like football fields. Does anyone actually puts these things in their pockets? I always carried my Nintendo DS in a backpack.
49e9919970c66f3•3mo ago
thats really cool! i will consider making it myself
wg0•2mo ago
Anyone has a RS36 Max?
anonymousiam•2mo ago
It looks similar to this project: https://github.com/ZitaoTech/HackberryPiCM5

I picked one up a few months ago and I like it.

MakerSam•2mo ago
Nice. Did you build your Hackberry or buy it?

The Hackberry looks awesome. I was going to build/buy one, but I wanted a slightly bigger screen and keyboard, and I also wanted to save some money by using an old 3b+ I had laying around. And I wanted to be able to build it quickly from off-the-shelf Amazon components. So all-in I think I spent ~$70 on this one, whereas the hackberry pi would have cost about double that, and then I would have had to buy the CM5 module.

Curious to hear of your experience with the hackberry - I still might consider getting one of those myself.

Hazematman•2mo ago
Curious what bigger screen and keyboard you found. I was looking for similar stuff and struggled to find larger square displays. The closest I could find was spare blackberry passports screens, but you'd have to reverse engineer the screen connector.
anonymousiam•2mo ago
Yes, the Bumble Berry Pi is a lot cheaper than the Hackberry Pi, but the Hackberry Pi (with a CM5) performs much better.

I don't have a 3D printer, so I bought the kit from Elecrow. I had to buy my own CM5, a 2TB NVMEe SSD, and a suitably sized WiFi antenna (that would fit into the case without modification). I also picked up a $60 portable (1k) HDMI monitor because the 720x720 screen is difficult to use for apps like Firefox and Thunderbird. I use an Apple wireless keyboard and an Acer wireless mouse (both Bluetooth). The keyboard & monitor fit nicely into a plastic A4 document jacket. I was surprised that the Hackberry's USB-A ports provide enough juice to power the monitor. The Hackberry Pi has got a big battery. The one Hackberry Pi design choice that I don't like is the lack of an RJ45 Ethernet port. They could have left off the I2C port and squeezed a PHY in there somehow. (The CM5 has an Ethernet controller.) I've noticed that if I use a USB-A Ethernet dongle, it sometimes hangs under heavy traffic. I've tried dongles with different chipsets and they all seem to have the same issue. The WiFi speeds (as long as you have a good antenna) are great, and are usually faster than a USB Ethernet dongle anyway.

The thing is ideal for travel. It can fit into any hotel room safe, or go with you.

MakerSam•2mo ago
Very cool - amazing that you can fit something that small in your pocket and it can also power a full size monitor & keyboard. It sounds like the Hackberry Pi is a great fit for your use case. I hadn’t considered using the Bumble Berry like that, but now that you mention it, I might try it out like that next time I travel.

It would be nice to have the beefier Pi 5 on Bumble Berry for the rare times that I need a GUI. I mostly use terminal on this device so it’s usually not a problem, but when I do have to use the full GUI I find the 3b+ annoyingly slow.

I briefly tested the Bumble Berry battery with a Pi 500 and although I got an error message saying that the power supply is not capable of supplying 5A, it seemed to run just fine. The battery is rated to 3A, and streaming full screen video on a 4K screen seemed to draw only about 1A (measured by a usb-c pass-thru dongle). However, I did not push the Pi 5 to its limits and I haven’t used it for an extended amount of time so I can’t confidently say how well it would work.

If you’re willing to pay the extra cash and want a smaller form factor it sounds like Hackberry is definitely the way to go.

stOneskull•2mo ago
i'd like to try making this but i don't have a 3d printer nor know someone who does. i have a feeling that if i find a service that does it, that it would cost as much for the 3d printing as for the raspberry pi itself
squigz•2mo ago
A quick look at a 3D printing service shows $20 for the upper part of the case. Not too bad. But also consider looking for a 3D printer at a local library or makerspace
stOneskull•2mo ago
i'm pretty rural, nothing local.. but have been looking at online services and comparing.. see how it goes :-)
linsomniac•2mo ago
You probably know someone, or know someone who knows someone, if you don't have a library or makerspace that can print it for you. Shortly after I got my latest printer someone on our local "Free Stuff" exchange Facebook group, a message asked if someone could 3D print the parts for a circular knitting machine. I took up that call and spent 2 weeks printing 100-some parts, and I just asked them to cover the filament, so around $70 (4 roles of PETG). Think about asking on reddit/facebook/nextdoor.
Gisbitus•2mo ago
I don't know if you're based in the US, but here in Europe I used Xometry and, while expensive for what you're getting, it was pretty reasonable.

I built a cyberdeck bigger than this and the case came out to be around 30 euros.

voidUpdate•2mo ago
I've not tried it myself, but I know that JLC does a 3d printing service in some funky materials that I definitely can't print at home, and it might be a bit pricey but from what I've seen online, the quality is pretty good. You could get the case printed in TC4 titanium if you really wanted
schwartzworld•2mo ago
Many libraries offer 3d printing for the cost of filament.
DroneBetter•2mo ago
is Raspberry Pi OS entirely usable without a trackpad/mouse or does this need an external one to be connected?
MakerSam•2mo ago
The Bumble Berry has a touchscreen, so if you need to use the Raspberry PI OS GUI, you can simple use your finger as a mouse pointer. I've found it works pretty well for the rare occasions that I need to start the GUI.

However, I mostly use this unit in terminal, which means I boot to terminal and only occasionally start up the GUI with startx when I need it.

I use terminal because: I'm trying to brush up on my terminal skills and most of my use-cases are covered in terminal with applications. Some of my favorite terminal applications are:

tmux - for managing multiple terminal windows nano - for writing code (occasionally I use vim) tty-clock - nice clock screen saver lynx - text based web browser. works surprisingly well on some sites like wikipedia epy - ebook reader - great for reading classic free ebooks from Project Gutenberg doom - because doom cmatrix - matrix-style screensaver - looks really cool

My main use case is for learning new code languages - it's nice to have a handheld device on me to practice writing code when I have a few minutes on me but don't have a laptop

999900000999•2mo ago
Very very cool.

Once upon a time I wrote a small script to turn a raspberry pi into a midi device. I really want to be able to make my own custom midi controller, but it's not exactly fun.

schwartzworld•2mo ago
Do share. I have similar aspirations
999900000999•2mo ago
Sure.

Do you have any way to email or message you.

pkphilip•2mo ago
What is the possibility of attaching a GSM module to this to make voice calls and send SMS? I mean, can we make this into a basic phone?
MakerSam•2mo ago
You might be able to do it with a cellular modem hat like this one: https://a.co/d/2zFdzec

You might need to design a new back panel for the enclosure.