Hacker News: troysk

Show HN: Screenrecord.in – A browser based local-first screen recording solution

troysk — Wed, 14 Jan 2026 10:37:24 +0000

Hey folks! I have worked remotely for almost 20 years and one tool which I have used a lot is screen recordings. They do tell more than text when you have to explain a feature to a remote colleague in a different timezone. Loom was great but it kept nagging me with updates and the 5 minute limit was also hard. So I created ScreenRecord.in a no limits, local first screen recording solution. You don't need to install any additional hardware. Just open your browser and hit Record! The recordings are stored in your local storage and you can even add a PiP of your webcam. Please try it and share feedback with me!

Comments URL: https://news.ycombinator.com/item?id=46614440

Points: 2

# Comments: 0

New comment by troysk in "Ask HN: What are you working on? (January 2026)"

troysk — Sun, 11 Jan 2026 19:57:47 +0000

ScreenRecord.in: https://screenrecord.in I have worked remotely for most of my career and have found screen recording a useful tool to share ideas or ask questions. I liked the UX of Loom but always wondered if one could do it without installing any app. Turns out you can! Given today's browsers especially on desktops one can do a lot of things. ScreenRecord.in can record screen, webcam, mic and system audio if the browser supports them. Chrome has the best compatibility. All recording are stored in local storage I am figuring out what features to add.

New comment by troysk in "WiFi signals can measure heart rate"

troysk — Sat, 06 Sep 2025 16:41:56 +0000

posted some details at https://news.ycombinator.com/item?id=45150761. happy to answer any additional queries you may have.

New comment by troysk in "WiFi signals can measure heart rate"

troysk — Sat, 06 Sep 2025 16:40:54 +0000

don't get the $5 ones, they are probably just presence detector or at best distance detector and probably work on 24Ghz. Get the 60Ghz for breathing, heart rate, posture etc.

New comment by troysk in "WiFi signals can measure heart rate"

troysk — Sat, 06 Sep 2025 16:38:55 +0000

Unfortunately no. But fortunately, it isn't something new I have built. I use a Seed Studio sensor MR60BHA2 which has an ESP32 which sends the data to Home Assistant through ESPHome. Once it is in Home Assistant you can do automations and notifications. I mostly use it for elderly care. I have another DFRobot C1001 sensor but waiting for ESPHome to add support for it. It has fall detection also which is why I am planning to replace it. They are fairly accurate; ~90%; has been my experience. They work better when mounted on ceiling and have a cone like coverage.

New comment by troysk in "WiFi signals can measure heart rate"

troysk — Thu, 04 Sep 2025 17:29:21 +0000

I do it using MMWave sensor, 60Ghz one. Want to have more of them but installation is a pain as these need to be mounted on ceiling so WiFi based sensor would be awesome!

New comment by troysk in "Builder.ai did not "fake AI with 700 engineers""

troysk — Sat, 14 Jun 2025 07:20:38 +0000

The post seems like a paid job as Engineer.ai rebranded to Builder.ai when they were accused of faking AI

https://analyticsindiamag.com/ai-features/sachin-duggal-spea...

https://www.wsj.com/articles/ai-startup-boom-raises-question...

https://techcrunch.com/2019/11/25/engineer-ai-launches-its-b...

New comment by troysk in "Why are cancer guidelines stuck in PDFs?"

troysk — Tue, 24 Dec 2024 09:01:27 +0000

I find the web(HTML/CSS) the most open format for sharing. PDFs are hard to be consumed on smaller devices and much harder to be read by machines. I am working on a feature at Jaunt.com to convert PDFs to HTML. It shows up as reader mode icon. Please try it out and see if it is good enough. I personally think we need to do much better job. https://jaunt.com

New comment by troysk in "Show HN: PDF to MD by LLMs – Extract Text/Tables/Image Descriptives by GPT4o"

troysk — Sun, 22 Sep 2024 10:45:01 +0000

+1! Most LLMs can already output Mathpix markdown. I prompt it to do so and it gives the code and this use a rendering library to show the scalable and selectable equations. No wonder facebook nougat also uses it. Good stuff!

New comment by troysk in "Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs"

troysk — Mon, 12 Aug 2024 09:41:41 +0000

both openai and claude vision models are able do that for me. It is more expensive than tesseract which can run on cpu but I assume it will become similarly cheap in the near future with open models and as AI becomes ubiquitous.

New comment by troysk in "Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs"

troysk — Mon, 12 Aug 2024 09:35:02 +0000

Segmenting at lower resolution and then using them at higher resolution using resolution multipliers don't work as other items bleed in. FastSAM paper has some interesting ideas on doing this with CNNs which I guess SAM2 have superseded. However, the complication in the pipeline is not worth the result as I find vision LLMs are able to do almost the same task within the same OCR prompt.

New comment by troysk in "Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs"

troysk — Sat, 10 Aug 2024 07:16:46 +0000

How to segment the document without LLM?

I prefer to do all of this in 1 step with an LLM with a good prompt and few shots.

With so many passes with images, the costs/time will be high with ViT being slower.

New comment by troysk in "Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs"

troysk — Fri, 09 Aug 2024 19:06:58 +0000

nougat, donut are OSS. There are no OSS vision models but we will soon have them. MathPix API are also not OSS and I found them expensive compared to vision models.

Mathpix Markdown however is awesome and I ask LLMs to use that to denote formulas as latex is tricky to render in HTML because of things not matching. I don't know latex well so haven't gone deeper on it.

New comment by troysk in "Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs"

troysk — Fri, 09 Aug 2024 18:43:03 +0000

Maybe you could try extracting the text also using some pdf text extraction and use that also to compare. Might help fix numbers which tesseract gets wrong sometimes.

New comment by troysk in "Show HN: LLM-aided OCR – Correcting Tesseract OCR errors with LLMs"

troysk — Fri, 09 Aug 2024 18:40:12 +0000

In my experience, this works well but doesn't scale to all kinds of documents. For scientific papers; it can't render formulas. meta's nougat is the best model to do that. For invoices and records; donut works better. Both these models will fail in some cases so you end up running LLM to fix the issues. Even with that LLM won't be able to do tables and charts justice, as the details were lost during OCR process (bold/italic/other nuances). I feel these might also be "classical" methods. I have found vision models to be much better as they have the original document/image. Having prompts which are clear helps but still you won't get 100% results as they tend to venture off on their paths. I believe that can be fixed using fine tuning but no good vision model provides fine tuning for images. Google Gemini seems to have the feature but I haven't tried it. Few shots prompting helps keep the LLM from hallucinating, prompt injection and helps adhering to the format requested.

New comment by troysk in "Ask HN: Who is hiring? (May 2024)"

troysk — Thu, 02 May 2024 11:09:55 +0000

Jaunt Labs | Full-Time | Full-stack engineer | REMOTE

Jaunt Labs is in the process of disrupting the professional content sharing landscape, focusing on documents, presentations, and more. Currently in our alpha launch phase, our momentum is building rapidly. Plus, our founders come with a track record, having successfully built and sold a startup in a similar domain. We aspire to become the platform which democratises knowledge and discussions around it.

We're actively seeking full-stack engineers to join our distributed team. With Django at our core, we're building scalable apps that can handle the demands of our network. On the frontend, it's all about ES6, no frameworks required.

Here's the structure: while autonomy is key, we touch base a few times weekly, typically around 9AM PST. You'll need at least an hour or two of overlap during these meetings.

Why consider us? Beyond the exciting work we're doing, you'll be part of a cohesive team, tackling challenges collaboratively and driving real change.

Interested in being part of our journey? Drop us a line about why you would like to join us at troy [at] jauntlabs.com or reach out directly to our founder at jon [at] jauntlabs.com. Let's build something remarkable together.

New comment by troysk in "Ask HN: What have you built with ESPHome, ESP8266 or similar hardware"

troysk — Sun, 28 Apr 2024 08:23:50 +0000

Your posts are awesome! They helped me get started on my journey. Thanks!

New comment by troysk in "Ask HN: What have you built with ESPHome, ESP8266 or similar hardware"

troysk — Sun, 28 Apr 2024 08:20:30 +0000

Bluetooth repeaters - BLE to WiFI so I can use them in Home Assistant

Button Bot - SwitchBot alternative

Wifi Calling Bell - Relay control calling bell with auto shut-off

Cameras - Uses ESPEye and ESP32 Cam, low res, low latency and does NOT hang Standing Desk - Turns on and off linear actuators

Water controllers - Relays attached to solenoids to automate my plants drip-watering and turn on sprinklers

PIR Sensors - A bit noisy, still not satisfied with performance

RF Transmitter - To replay RF signals

RF Receiver - To receive RF signals

The BLE Repeater has been really useful as it has helped me make many BLE devices available in Home Assistant making automations easy. The nRF connect app has been really helpful to make this happen.

New comment by troysk in "Show HN: Simple Log Alerts to Slack"

troysk — Wed, 08 Mar 2023 06:07:12 +0000

Rate limits are present in chat apps to prevent the service from being abused. Notification tools don't have that.

New comment by troysk in "Show HN: Simple Log Alerts to Slack"

troysk — Tue, 07 Mar 2023 10:05:49 +0000

Why use Slack? Slack has rate limits and one will not get the notifications when something real goes down as there will be 100s of messages overloading Slack API.