<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Hacker News: jerich</title><link>https://news.ycombinator.com/user?id=jerich</link><description>Hacker News RSS</description><docs>https://hnrss.org/</docs><generator>hnrss v2.1.1</generator><lastBuildDate>Mon, 27 Apr 2026 08:45:09 +0000</lastBuildDate><atom:link href="https://hnrss.org/user?id=jerich" rel="self" type="application/rss+xml"></atom:link><item><title><![CDATA[New comment by jerich in "AI Made Writing Code Easier. It Made Being an Engineer Harder"]]></title><description><![CDATA[
<p>I’m the same way; I feel like Claude is doing more than just writing code, it’s getting me unstuck.<p>I’ve been pulling projects out of the closet that have been sitting there for years. It’s because I can sit down and get started so seamlessly. Before, I might waste the first couple hours configuring my environment and tool setup, but with Claude Code I can just jump in and start building, start solving the real problem.<p>I just built something this week where I had the parts sitting in my closet for a couple years, but just got curious to see how Claude does with embedded C, so it got me started. (Turns out Claude scanned my drive and found an abandoned C project that was outside my usual DEV folder, and just built on that). The code was 5% of the project, but it got done because Claude Code gave me the momentum push.<p>For my personal projects, the last 3 weeks have been more productive than the last 3 years.</p>
]]></description><pubDate>Sun, 01 Mar 2026 18:30:35 +0000</pubDate><link>https://news.ycombinator.com/item?id=47209345</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=47209345</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=47209345</guid></item><item><title><![CDATA[New comment by jerich in "Ask HN: What are you working on? (February 2026)"]]></title><description><![CDATA[
<p>I hacked together a tech demo of a personal project to add a Jetson Orin Nano to augment the Nikon autofocus system. (Camera->HDMI->Jetson processing->USB control->Camera)<p><a href="https://github.com/jerich/jetson-face-af" rel="nofollow">https://github.com/jerich/jetson-face-af</a><p>It was a personal project to let Claude Code loose and have something to talk about on LinkedIn, hopefully to start a conversation about how to add some more advanced, more personal, functions to the powerful AF systems out there.<p>“Nikon AF does a great job of recognizing faces, but it doesn’t know which faces I care about.”<p>But I wanted to augment, not completely take over the camera; keep the Nikon shooting ergonomics intact.<p>Even the latest and greatest cameras will lag the processing power of something like a Jetson Nano, or even a mobile chipset, and cameras are meant to have lifetimes of years, so I think a smart camera manufacturer (hopefully Nikon) should add an easy external processing loop to let users add some extra smarts and automation.</p>
]]></description><pubDate>Tue, 10 Feb 2026 01:53:21 +0000</pubDate><link>https://news.ycombinator.com/item?id=46954342</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=46954342</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=46954342</guid></item><item><title><![CDATA[New comment by jerich in "Ask HN: What are the best programmable holiday lights?"]]></title><description><![CDATA[
<p>This gets such a huge thumbs up that I had to scroll up and reread it to make sure this wasn’t my own post from a revived thread from last year!<p>I’ve been using a pixelblaze with a long string of cheap 2812 LEDs on my Christmas tree for three years now with tons of compliments from neighbors.<p>I’m an embedded software guy, and every year I mean to dig in and try roll my own, or do something clever with an RP2040 board (also a shoutout for the Pimoroni  Plasma), but the demands of life and “get the light show started” mean I keep using the Pixelblaze.<p>I even upgraded to their newer versions last year, and used some of the smaller ones to make some LED tutus for my girls that synced pattern with the tree (the tutus were synced with each other for a Christmas show, but it was trivial to then add the tree for fun afterwards).<p>The mapping is huge for the wow factor, and the pixelblaze makes it so much easier to get something fast and good enough.<p>There’s so many community-shared patterns to choose from, and it’s been easy to make small modifications to look better once mapped to a tree, though most work as-is.<p>My project I won’t get done this year is to try to make some calibration patterns and use ChatGPT to analyze some photos/videos to make a 3-D map, but I’ll realistically probably end up with the vaguely-triangular 2-D map again; I can get it done in about 30 minutes now.<p>The following is a couple years ago.  I think last year I was up to 1100 LEDs and the mapping was a bit better, but I didn’t take good videos.<p><a href="https://youtu.be/hu-RQx_NpAY?si=BMYbafbPAn2XAlU9" rel="nofollow">https://youtu.be/hu-RQx_NpAY?si=BMYbafbPAn2XAlU9</a></p>
]]></description><pubDate>Mon, 09 Dec 2024 18:56:56 +0000</pubDate><link>https://news.ycombinator.com/item?id=42369247</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=42369247</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=42369247</guid></item><item><title><![CDATA[New comment by jerich in "New iMac with M4"]]></title><description><![CDATA[
<p>Apple should hire a couple hackers to create “end-of-life” firmware for their obsolete devices; give them new life as super-specialized devices. Part green program, part customer delight, even some wacky art projects.<p>Maybe if an iMac doesn’t have a video input—have it boot as an AirPlay-only monitor.<p>I’ve got 2 old EOL appleTV boxes sitting in a drawer—again, one last firmware update to make them dedicated AirPlay receivers.<p>Take my 2011 MacBook Air and make it a dedicated Notes machine/word processor—all it does it run notes and sync with iCloud.<p>Obsolete iPad picture frame is an obvious one.<p>They can work on the “Reuse” side of the 3R’s of waste reduction (with reduce and recycle, right?)<p>PS, I’m available, 9 years embedded SW experience ;)</p>
]]></description><pubDate>Mon, 28 Oct 2024 22:01:56 +0000</pubDate><link>https://news.ycombinator.com/item?id=41976915</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=41976915</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=41976915</guid></item><item><title><![CDATA[New comment by jerich in "Earth rotation limits in-body image stabilization to 6.3 stops (2020)"]]></title><description><![CDATA[
<p>Anyone who’s read the short story “The Billiard Ball” by Asimov would have taken it into account.</p>
]]></description><pubDate>Thu, 16 May 2024 18:07:35 +0000</pubDate><link>https://news.ycombinator.com/item?id=40381382</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=40381382</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=40381382</guid></item><item><title><![CDATA[New comment by jerich in "Most to least common 4-digit PIN numbers from an analysis of 3.4M"]]></title><description><![CDATA[
<p>I think they’re over in line behind “The La Brea Tar Pits”</p>
]]></description><pubDate>Thu, 09 May 2024 20:43:59 +0000</pubDate><link>https://news.ycombinator.com/item?id=40312784</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=40312784</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=40312784</guid></item><item><title><![CDATA[New comment by jerich in "US Says Chinese Seizure of TSMC in Taiwan Would Be 'Absolutely Devastating'"]]></title><description><![CDATA[
<p>So the US sells some bonds, then slips a couple trillion into a brown envelope to buy Baja California from Mexico, then “lease-to-own” it on very favorable terms (0 down, 0% APR, 150 years) to New Taiwan, or Formosa II. Uproot TSMC and an entire culture and move them over, then let China wave the flag over the mound of dirt left behind. Pencil them in to NAFTA and watch the chips flow over to the new iPhone plant outside Mexicali. Tijuana to Ensenada remains Mexico and is a buffer between them and the USA, and the night markets there are the envy of all food-eating people on the planet—-I can’t wait to try the albondigas soup dumplings.</p>
]]></description><pubDate>Thu, 09 May 2024 20:31:14 +0000</pubDate><link>https://news.ycombinator.com/item?id=40312658</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=40312658</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=40312658</guid></item><item><title><![CDATA[New comment by jerich in "Almost no one pays a 6% real-estate commission except Americans"]]></title><description><![CDATA[
<p>I think AirBNB has the infrastructure to upend the Realtor market. If they just add an “AirBNB listings” buyers can search and scroll through pictures. They’d have to show exact location, but otherwise pretty much the same as what’s there. Seller pays an upfront listing fee, gets referrals for staging and photos if they want to stand out.<p>Simply add a “30 minute viewing” rental for $25-$50 (AirBNB keeps $10-25), available to registered users (with already-verified ID). Maybe rent the homeowner a bundle of cams for viewings for extra security.<p>If a buyer is really interested, have an above-market-rate nightly rental—I’d love to spend a night in a house before paying a million+ dollars for it (without the cams, of course). Maybe half refunded with an offer made thru AirBNB Listings; full refund with an accepted offer (again, less AirBNB fees). Maybe partner with Redfin or Zillow to set prices, provide school and property info, and finish the deals. Do it all cheap enough to make it worth sellers forgoing an MLS listing; should be a flat fee, a tiny fraction of 6% in most cases.<p>A startup couldn’t do it, but AirBNB has the name recognition, and the pieces already there, right? I’m available for consulting, or send me a fruit basket if it all works out, a nice one, without a lot of melon.</p>
]]></description><pubDate>Fri, 17 Nov 2023 18:47:12 +0000</pubDate><link>https://news.ycombinator.com/item?id=38308074</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=38308074</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=38308074</guid></item><item><title><![CDATA[New comment by jerich in "WLED Project"]]></title><description><![CDATA[
<p>I keep intending to reinvent my own controller with an RP2040, but life gets in the way, so for the second year in a row, I’m using a Pixelblaze to control the 950 LEDs on my Christmas tree. It’s a continuous string (well, 19 strands of 50 lights connected), put on the tree in a zigzag pattern and manually mapped to a vaguely triangular 2-D shape. The patterns are mostly as downloaded from the Pixelblaze repository.<p>I’d highly recommend Pixelblaze for getting a fairly complex setup working quickly.<p><a href="https://youtu.be/hu-RQx_NpAY" rel="nofollow">https://youtu.be/hu-RQx_NpAY</a></p>
]]></description><pubDate>Sat, 24 Dec 2022 04:32:28 +0000</pubDate><link>https://news.ycombinator.com/item?id=34114002</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=34114002</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=34114002</guid></item><item><title><![CDATA[New comment by jerich in "Why doesn't the Fed just hike 200bp all at once?"]]></title><description><![CDATA[
<p>Although I know financial markets are extremely complex and driven by human psychology, I can’t help thinking about thinking about it in terms of classical control systems.<p>Do you want a smooth input, or an abrupt step input? Psychologically, I’ve got to believe there would be a quicker response by consumers if rates shot up overnight vs “boiling the frog” with a gradual increases.<p>In simpler dynamic systems, you get a faster response with overshoot and ripple, maybe this would be similar? But would it be better? I wish the article author had been able to find more discussion by economists talking about the potential effects.<p>Could you pull out of a recession or pop a forming bubble in months instead of years? Maybe it could lead to a smoother Macro-macroeconomics. But maybe the overshoot is too much; maybe the system is just too chaotic to control effectively.<p>Financial markets dislike abrupt changes, but I think if the central bank was perfectly transparent about their goals and responses (“To maintain a annual growth rate of 1.9%, Fed decisions will be made based on a PID controller with the following parameters…”), some smart financial engineers should be able to account for the rapid changes in their own models. Maybe there’s even some profit potential anticipating the overshoot and ripple that could provide some dampening effects.<p>I’m sure I’ve completely Dunning-Kruger’d this and millions of lives would be ruined, but since I’m not the Fed Chairman, we’re all safe.</p>
]]></description><pubDate>Tue, 26 Jul 2022 21:19:10 +0000</pubDate><link>https://news.ycombinator.com/item?id=32244190</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=32244190</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=32244190</guid></item><item><title><![CDATA[New comment by jerich in "New MacBook Air with M2"]]></title><description><![CDATA[
<p>After growing up on a Mac SE and going off to college with a Centris 650, I went through a string of windows PCs until the 2013 MacBook Air brought me back into the fold.<p>I still use the 2013 MBA almost daily—mostly as an external keyboard and screen for my iPhone notes, but it really slowed down with Mojave, so I’m trying to decide whether to pick up a cheap replacement M1 model now, or wait for sales on the M2. I think I can hold out a little, but won’t quite make the 10 year mark.<p>BTW, the c. 1993 Mac Centris was able to boot up last year (at 28 years old!), and thanks to an Ethernet adapter I dumpster-dived from work in the early 2000s, I was even able to get online with it without any extra configuration. Netscape Navigator doesn’t do too well with modern websites (and probably made for a baffling entry in some server logs), but I could at least load the Dole/Kemp ‘96 site.</p>
]]></description><pubDate>Wed, 06 Jul 2022 19:31:13 +0000</pubDate><link>https://news.ycombinator.com/item?id=32005680</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=32005680</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=32005680</guid></item><item><title><![CDATA[New comment by jerich in "H.264 is Magic (2016)"]]></title><description><![CDATA[
<p>For the first question, I ended up using this trick for a video editing app on Android phones about 10 years ago in order to cut video together on low end, out of date (Android 2.3) phones. They couldn’t handle video compression in a reasonable time and we didn’t want to upload/download to process on a server.<p>The point of the app was to sync the cuts to music cues, so each clip had a defined length. I ended up doing it all through file manipulation. You can cut into a video file starting at any arbitrary I-frame then trim it to the desired length. I would cut the input videos down to size then concatenate the files, replacing the audio with the new soundtrack at the end.<p>It worked great, only took a few seconds to create the final edit. Of course you couldn’t overlay text or filter video, but I still think it was a valid solution.<p>With the requirement of starting each clip on an I-frame, there was some imprecision in where your cut would actually start—an arteur might have a problem with their masterpiece being butchered that way, but it would certainly work well for some special cases like efficient distribution or being able to show a diff that a video was unaltered outside of timing cuts.</p>
]]></description><pubDate>Thu, 17 Mar 2022 21:05:24 +0000</pubDate><link>https://news.ycombinator.com/item?id=30715875</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=30715875</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=30715875</guid></item><item><title><![CDATA[New comment by jerich in "The First Granny Square Pattern"]]></title><description><![CDATA[
<p>I thought it was most interesting to see how clearly crocheting was “generation-skipping” with the 40-year periods between peaks in popularity:
1890s->1930s->1970s->2010s<p>Maybe the latest peak is pushing out due to having kids later in life (i.e., grandparents now 50-60 years older than grandkids, rather than 40-50)</p>
]]></description><pubDate>Mon, 14 Mar 2022 16:22:31 +0000</pubDate><link>https://news.ycombinator.com/item?id=30674347</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=30674347</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=30674347</guid></item><item><title><![CDATA[New comment by jerich in "Ask HN: What caused the Olympics to become so terrible?"]]></title><description><![CDATA[
<p>The best Olympic coverage I’ve seen was the NBC HD broadcast of the 2002 Salt Lake City  winter games. HD was still pretty new in the US. They didn’t have many HD cameras and they didn’t have an HD workflow integrated with the SD broadcast, so it was completely separate from the “overcoming adversity USA athlete” coverage.<p>For example, they set up the HD cameras and trailer at the ski jumping venue. They showed ski jumping start to finish—all the competitors real-time without editing. The commentators were ski jumping experts, since the professional commentators were all off on the SD feeds. Almost no breaks because they only had one HD commercial.<p>I learned so much about the sport and cheered for competitors from random countries. It was miles beyond the standard NBC coverage and probably even better than watching it in person.<p>20 years later and it’s the most memorable Olympics-watching experience of my life, going back my earliest memory of the jetpack in ‘84.</p>
]]></description><pubDate>Sun, 06 Feb 2022 18:20:48 +0000</pubDate><link>https://news.ycombinator.com/item?id=30235284</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=30235284</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=30235284</guid></item><item><title><![CDATA[New comment by jerich in "3-D printing new houses in a Mexican village"]]></title><description><![CDATA[
<p>What about 3-D printing for backyard hardscape for higher-end consumers, not homes for refugees?<p>Mass customization for benches, sculptures, playhouses, fountains. The value is in getting something unique, not speed or cost.<p>Or does that only make sense after my getting a $4k quote to build a rectangular concrete bench in coastal California? (Actually, I just went back and checked—it was $14.5k for an 18 foot concrete block bench with a plaster finish to look like poured concrete, with an actual concrete version even more expensive).<p>I made an outline of a business doing this a few years ago: sell yard printers, proprietary media, and object library digital subscriptions to contractors, along with training/certification, but I never went down the rabbit hole to figure out a cement mixture and scale up my Ender-3.</p>
]]></description><pubDate>Sun, 14 Nov 2021 17:08:55 +0000</pubDate><link>https://news.ycombinator.com/item?id=29218555</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=29218555</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=29218555</guid></item><item><title><![CDATA[New comment by jerich in "Apple has a secret team working on internet satellites"]]></title><description><![CDATA[
<p>Take a look at what Teledesic was planning in the late 90s. Elon’s a great guy, but nothing I see about Starlink is innovative over what they were working on over 20 years ago.</p>
]]></description><pubDate>Sat, 21 Dec 2019 08:13:55 +0000</pubDate><link>https://news.ycombinator.com/item?id=21850284</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=21850284</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=21850284</guid></item><item><title><![CDATA[New comment by jerich in "Burger King is rolling out meatless Impossible Whoppers nationwide"]]></title><description><![CDATA[
<p>After a month of Whole30 eating a couple years ago, I've completely switched from dairy in my coffee. Previously, I always used sugar and half-and-half, but a month was enough to make a permanent change.<p>My favorite by far is unsweetened cashew milk, followed by hazelnut and coconut, but I'm using it as a creamer or latte substitute, not looking for foam. I can't stand the nutty grittiness of almond milk in my coffee, but I now generally prefer nut milks to cow milk and cream.</p>
]]></description><pubDate>Mon, 29 Apr 2019 21:30:18 +0000</pubDate><link>https://news.ycombinator.com/item?id=19782784</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=19782784</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=19782784</guid></item><item><title><![CDATA[New comment by jerich in "FCC approves SpaceX plan for satellite broadband network"]]></title><description><![CDATA[
<p>My first job in 1998 was working on the integration and test plans for Teledesic’s Optical Inter-Satellite Link Tracking (or OISLT, pronounced “oyselt”—probably the worst acronym I ever used). The design wasn’t done yet, but we were already planning integration tests to prove them out before anything was launched.<p>We were planning on tracking satellites in adjacent orbital planes (which were orbiting in the opposite direction) as well as in-plane. So, yeah, moving parts.<p>Whenever this topic comes up, I wonder what happened to all the work we did at Motorola in 98-99. There were several hundred engineers in Tempe generating thousands of pages of design documents for over a year. We archived all our work in spring 1999 sand were all shuffled off to other projects.</p>
]]></description><pubDate>Sat, 07 Apr 2018 21:29:08 +0000</pubDate><link>https://news.ycombinator.com/item?id=16783096</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=16783096</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=16783096</guid></item><item><title><![CDATA[New comment by jerich in "Show HN: Build A Personal Power Plant for $200"]]></title><description><![CDATA[
<p>This article and its predecessor made me think about smaller-scale solar, and I actually bought a 100W panel out of the Amazon gold box last week to start playing around myself.<p>My first plan is to use the panel and battery to run a set of 12V led outdoor lights, but I'm also thinking about trying to tie into the existing 12V system that I never bother turning on.<p>That's got me thinking about taking it a step further and adding some capacity to power my Christmas lights this year. Now that they're LEDs as well, it seems it should be possible, but probably not cost effective.<p>I keep thinking there must be a decent market in between tiny panels powering path lights and a full rooftop system. Like a standalone patio cover or pergola that has solar panels for a roof. That should give a decent amount of power, and it could be an easier sell to people instead of permanently attaching something to their roof.<p>Actually, I was trying to think of a way to run a small air conditioner from solar—like one of those split systems. The AC could run when the sun is out, which is when the upstairs of my house gets hot. It would be a supplement to my central AC, so I wouldn't be worried about it not running at night or cloudy days. So, I don't need a lot of storage or even worry about tying into the grid.<p>Again, though, it's probably not cost effective piecing it together, but still the solar patio cover seems like something that should available in a big box at Home Depot or Costco these days.</p>
]]></description><pubDate>Tue, 12 Sep 2017 16:41:52 +0000</pubDate><link>https://news.ycombinator.com/item?id=15228835</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=15228835</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=15228835</guid></item><item><title><![CDATA[New comment by jerich in "Raspberry Pi Zero W, with Wi-Fi and Bluetooth, priced at $10"]]></title><description><![CDATA[
<p>To be fair, the tinker board is only 50% more and does include additional features (some extra speed and GbE). The US release is happening right now, so that could affect availability worldwide as Asus tries to launch with sufficient quantities. I somehow was able to order one, sold by Amazon US no less, and get it last week; there's not even a listing anymore.<p>Not too bad for a product that was announced late January.</p>
]]></description><pubDate>Tue, 28 Feb 2017 19:43:06 +0000</pubDate><link>https://news.ycombinator.com/item?id=13757117</link><dc:creator>jerich</dc:creator><comments>https://news.ycombinator.com/item?id=13757117</comments><guid isPermaLink="false">https://news.ycombinator.com/item?id=13757117</guid></item></channel></rss>