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Show HN: Saunas lower nighttime heart rate more than exercise (n=59,000)

https://tryterra.co/research/sauna-effect-on-heart-rate
84•kyriakosel•47m ago•44 comments

ggsql: A Grammar of Graphics for SQL

https://opensource.posit.co/blog/2026-04-20_ggsql_alpha_release/
93•thomasp85•1h ago•22 comments

GitHub's Fake Star Economy

https://awesomeagents.ai/news/github-fake-stars-investigation/
384•Liriel•6h ago•235 comments

Atlassian Enables Default Data Collection to Train AI

https://letsdatascience.com/news/atlassian-enables-default-data-collection-to-train-ai-f71343d8
56•kevcampb•2h ago•15 comments

All phones sold in the EU to have replaceable batteries from 2027

https://www.theolivepress.es/spain-news/2026/04/20/eu-to-force-replaceable-batteries-in-phones-an...
109•ramonga•46m ago•49 comments

10 years ago, someone wrote a test for servo that included an expiry in 2026

https://mastodon.social/@jdm_/116429380667467307
46•luu•19h ago•13 comments

M 7.4 earthquake – 100 km ENE of Miyako, Japan

https://earthquake.usgs.gov/earthquakes/eventpage/us6000sri7/
135•Someone•4h ago•56 comments

Qwen3.6-Max-Preview: Smarter, Sharper, Still Evolving

https://qwen.ai/blog?id=qwen3.6-max-preview
13•mfiguiere•22m ago•0 comments

WebUSB Extension for Firefox

https://github.com/ArcaneNibble/awawausb
36•tuananh•2h ago•27 comments

Focused microwaves allow 3D printers to fuse circuits onto almost anything

https://newatlas.com/electronics/meta-nfc-focused-microwaves-circuits/
89•breve•2d ago•15 comments

NSA is using Anthropic's Mythos despite blacklist

https://www.axios.com/2026/04/19/nsa-anthropic-mythos-pentagon
233•Palmik•4h ago•184 comments

Up to 8M Bees Are Living in an Underground Network Beneath This Cemetery

https://www.discovermagazine.com/up-to-8-million-bees-are-living-in-an-underground-network-beneat...
117•janandonly•2d ago•17 comments

U.S. banks may soon collect citizenship data from customers

https://www.cnbc.com/2026/04/15/banks-citizenship-data-collection-customer-accounts.html
19•clumsysmurf•1h ago•0 comments

Ask HN: How to solve the cold start problem for two-sided marketplace?

12•alegd•45m ago•21 comments

SDF Public Access Unix System

https://sdf.org/?ssh
126•neehao•1d ago•58 comments

Vercel April 2026 security incident

https://www.bleepingcomputer.com/news/security/vercel-confirms-breach-as-hackers-claim-to-be-sell...
812•colesantiago•1d ago•464 comments

What if database branching was easy?

https://xata.io/blog/what-if-database-branching-was-easy
26•tee-es-gee•2d ago•14 comments

I Made the "Next-Level" Camera and I love it

https://thelibre.news/i-made-the-next-level-camera-and-i-love-it/
136•ndr•3d ago•28 comments

Stop trying to engineer your way out of listening to people

https://ashley.rolfmore.com/stop-trying-to-engineer-your-way-out-of-listening-to-people/
325•walterbell•18h ago•172 comments

Epicycles All the Way Down (2025)

https://www.strangeloopcanon.com/p/epicycles-all-the-way-down
15•surprisetalk•3d ago•7 comments

Claude Token Counter, now with model comparisons

https://simonwillison.net/2026/Apr/20/claude-token-counts/
165•twapi•13h ago•62 comments

Zero-copy protobuf and ConnectRPC for Rust

https://medium.com/@iainmcgin/zero-copy-protobuf-and-connectrpc-for-rust-69bda8ac0f02
99•PaulHoule•3d ago•29 comments

IPC medley: message-queue peeking, io_uring, and bus1

https://lwn.net/Articles/1065490/
6•signa11•3d ago•0 comments

NASA Artemis Posters

https://www.nasa.gov/gallery/artemis/
36•bookofjoe•2h ago•5 comments

How Motorola’s 2N2222 and 2N3904 transistors became the default NPNs

https://www.allaboutcircuits.com/news/how-two-motorola-transistors-became-the-worlds-default-npns/
53•ChuckMcM•2d ago•17 comments

A Brief History of Fish Sauce

https://www.legalnomads.com/fish-sauce/
200•vinhnx•1d ago•85 comments

Who Is Blake Whiting?

https://theamericanscholar.org/who-is-blake-whiting/
26•Caiero•2d ago•5 comments

Turtle WoW classic server announces shutdown after Blizzard wins injunction

https://www.pcgamer.com/games/world-of-warcraft/turtle-wow-classic-server-announces-shutdown-afte...
281•Brajeshwar•22h ago•245 comments

Monumental ship burial beneath ancient Norwegian mound predates the Viking Age

https://phys.org/news/2026-04-monumental-ship-burial-beneath-ancient.html
79•pseudolus•3d ago•20 comments

The Bromine Chokepoint

https://warontherocks.com/cogs-of-war/the-bromine-chokepoint-how-strife-in-the-middle-east-could-...
212•crescit_eundo•20h ago•124 comments
Open in hackernews

Show HN: Whippy Term - GUI terminal for embedded development (Linux and Windows)

https://whippyterm.com
96•SurvivorTed•11mo ago

Comments

SurvivorTed•11mo ago
New GUI based serial terminal for embedded development (Linux and Windows)

Hi all, just wanted to let everyone know of my new open-source serial (and TCP/IP) terminal program aimed at embedded developers.

I wasn't happy with what was available on Linux, so I decided to write my own. The goals were to have a modern GUI (tab based, pull out panels, etc) and I wanted support for binary protocols.

It has support for ANSI escape sequences, XModem (up/down), binary blocks, hex dumps, bridging 2 open connections, and more.

Source link: https://github.com/TheBeef/WhippyTerm

This is the first release (version 1.0), and I am hoping people will have a look (and hopefully like it).

stavros•11mo ago
This seems really nice, thank you! Does it support auto-reconnect, like `tio` does?
SurvivorTed•11mo ago
It doesn't currently support it, but I was planning in the next release (a number of people have asked for it so it's a definitely going to add).
svth•11mo ago
Why no macOS support?
SurvivorTed•11mo ago
I don't have a mac. I did have a guy who was going to add support for it but he backed out.

The main GUI is built in QT so making a mac port shouldn't be too hard (the serial port detection would be the hardest part I think).

pjmlp•11mo ago
Kudos for going with Qt. It looks nice.
mystified5016•11mo ago
Oh damn, this could easily replace my own bespoke serial monitors.

Can a plugin filter the list of available ports? For instance serial over Bluetooth creates two virtual ports for initiating and accepting connections (on windows at least). My bespoke monitor filters these and only shows the outbound ports to the user. It also pulls in the Bluetooth device name from WinRT, etc.

SurvivorTed•11mo ago
There isn't any filtering of serial ports (it lists everything it finds).

However it does support bookmarks. With bookmarks you open the serial port you want to use then select to bookmark it. WhippyTerm will take the current config you are using and save it for later. You can then just pick the bookmark later to reopen that connection. Bookmarks also store some of the settings (like is it a binary or text connection, terminal size, colors, etc).

It's a lot like bookmarks in a web browser.

SurvivorTed•11mo ago
Thinking about it a bit more, if someone wanted to filter the comports like this you could copy the standard comport IO driver and make a new plugin that only listed the outbound ports (you could also restrict the list to Bluetooth devices).

Internally the comport IO driver is just a plugin that gets compiled into the main exe (any plugin can be made into a built in, just add the source to the .pro file, add a call to the register function and now the extern plugin is built in).

So you could copy the existing comport IO driver, change the 'REGISTER_PLUGIN_FUNCTION_PRIV_NAME' and 'COMPORT_URI_PREFIX' defines to something else (so it doesn't conflict with the built in 'COM' one). Change the code so filter any comport that isn't for the Bluetooth device. Compile the source and package the resulting .dll using the ExternPluginMaker tool. Done

When the new plugin is installed the new connection dialog you will list your detected "devices" listed along with all the other types (you could prefix them with bluetooth for example).

Feel free to email me if you would like more details.

AriedK•11mo ago
This is neat. The send buffers and live display give it a nice edge over something like Tera Term. One nitpick: I couldn't find the option to disable autoscroll on incoming serial streams. Like 'Auto scroll only in bottom line' in Tera Term. Thanks!
SurvivorTed•11mo ago
It seems like I missed this option. I'll be adding it to the list of things to do for version 1.1 :)

Thanks for the feed back.

alias_neo•11mo ago
This looks great. I don't do serial/embedded stuff too often at the moment; ESPHome took away much of my need to hand-build stuff (happy and sad about that), but when I do I always find it slightly irritating to remember the syntax to connect with minicom or screen (I'm a Linux user).

I'm sorry I can't give more useful feedback at the moment, but this is certainly encouraging me to come up with an idea for an embedded project so I can try it!

ac29•11mo ago
Can you add Linux build instructions for people not on Debian/Ubuntu?

I didnt see anything on the github or in the source download.

Alternatively an AppImage or Flatpak is a nice way to test software.

SurvivorTed•11mo ago
Can't really help with exact instructions for other distros, but the "in a nutshell" is you need to install qtcreator and QT5.

After you have them installed and working all you have to do is load the .pro file from the Project directory (https://github.com/TheBeef/WhippyTerm/tree/main/Project) you should be able to just hit the green debug/go button and it should work (you do need to be using the gcc toolchain). This is the same for the Windows build.

Hope this helps.