https://bsky.app/profile/pxdtech.bsky.socialhttps://bsky.app/profile/pxdtech.bsky.social/post/3mihjhb3aqh2gFrom Prompt to Print: Asking Claude to Design a Robot Chassis I've been working through Learn Robotics with Raspberry Pi by Matt Timmons-Brown — a wonderful hands-on guide that gets you building a wheeled robot step by step. One of the first tasks is sourcing or printing a chassis: at least 6… http://deangelis.tech/2026/04/01/from-prompt-to-print-asking-claude-to-design-a-robot-chassis/01 Apr 2026 20:23 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3mihjhb3aqh2ghttps://bsky.app/profile/pxdtech.bsky.social/post/3mesutxi35c2gWhat is a good alternative to YouTube?14 Feb 2026 11:05 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3mesutxi35c2ghttps://bsky.app/profile/pxdtech.bsky.social/post/3mcmj6crg2r2mEnsittification – Amazon Example At dinner last night, I talked to a young author about her book and in particular her sales on Amazon. As was indicated in Enshittification, Amazon takes an enormous percentage of the sales price, in addition to fees to have a store. Amazon sales lose money. But… http://deangelis.tech/2026/01/17/ensittification-amazon-example/17 Jan 2026 11:30 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3mcmj6crg2r2mhttps://bsky.app/profile/pxdtech.bsky.social/post/3maimcisu6k2iExit Farming: Survival in an Enshittified World Cory Doctorow gave us the word Enshittification. Sean Carlton gives us the manual. Exit Farming starts from a blunt recognition: the system is not broken. The exhaustion, the subscriptions, the debt, the fragility—these are successful outcomes. They… http://deangelis.tech/2025/12/21/exit-farming-survival-in-an-enshittified-world/21 Dec 2025 11:25 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3maimcisu6k2ihttps://bsky.app/profile/pxdtech.bsky.social/post/3mae5yesklj2mDining Room Table My friend Derek () and I have been working together on a dining room table. Cherry and purpleheart top, with steel legs. I worked on the top and Derek the legs. The parts are now together. In the photo the top is just resting on the legs. There is more finishing to go on the top,… http://deangelis.tech/2025/12/19/dining-room-table/19 Dec 2025 16:58 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3mae5yesklj2mhttps://bsky.app/profile/pxdtech.bsky.social/post/3m67l2feyqc2rThe world is watching @cop30brazil.bsky.social. Show leadership and add the fossil fuel phase-out roadmap to the #COP30 agreement. Listen to @lulaoficialbluesky.bsky.social and follow the 80+ countries that want justice!22 Nov 2025 10:18 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3m67l2feyqc2rhttps://bsky.app/profile/pxdtech.bsky.social/post/3m6564lscov2xArduino, Qualcomm, Enshittification I use Arduinos in many projects, including robotics. Recently, Qualcomm acquired Arduino. It did not take long for Qualcomm to update its Terms of Service to dramatically shift from one of the most open source platforms to a highly restricted one. Here is a link… http://deangelis.tech/2025/11/21/arduino-qualcomm-enshittification/21 Nov 2025 11:21 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3m6564lscov2xhttps://bsky.app/profile/pxdtech.bsky.social/post/3m5jmceypy22xHow Everything Gets Enshittified — and How We Can Fix It Cory Doctorow’s *Enshittification* isn’t just a rant about Big Tech. It’s a field guide to how our digital world curdles over time—and how we might reclaim it. Read more ... https://deangelis.tech/2025/11/13/how-everything-gets-enshittified-and-how-we-can-fix-it/13 Nov 2025 16:42 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3m5jmceypy22xhttps://bsky.app/profile/pxdtech.bsky.social/post/3m5jlvcghgs2pHow Everything Gets Enshittified — and How We Can Fix It Cory Doctorow’s Enshittification isn’t just a rant about Big Tech. It’s a field guide to how our digital world curdles over time—and how we might reclaim it. I purchased the Kindle version of this book. After I read the book, I started… http://deangelis.tech/2025/11/13/how-everything-gets-enshittified-and-how-we-can-fix-it/13 Nov 2025 16:35 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3m5jlvcghgs2phttps://bsky.app/profile/pxdtech.bsky.social/post/3lttmc5ytvu2fWhat Goethe Can Teach Us Today I had once read that there were three men who were geniuses in three distinct disciplines. Goethe was one, along with Albert Einstein and Albert Schweitzer. Goethe has also been cited in several of my other, recent readings. Johann Wolfgang von Goethe was no ordinary… http://deangelis.tech/2025/07/13/what-goethe-can-teach-us-today/13 Jul 2025 09:56 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lttmc5ytvu2fhttps://bsky.app/profile/pxdtech.bsky.social/post/3lssxaq43ny2kHype, Hope, and Hard Truths: What Smil Teaches Us About Innovation I am a fan of Bill Gates. His solutions to some of the world's greatest problems are thoughtful and interesting and on a grand scale. Not solutions available at a personal level. One of his favorite authors is Vaclav Smil, which… http://deangelis.tech/2025/06/30/hype-hope-and-hard-truths-what-smil-teaches-us-about-innovation/30 Jun 2025 10:15 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lssxaq43ny2khttps://bsky.app/profile/pxdtech.bsky.social/post/3lrurjlbcch26Adventures in Computation: Stephen Wolfram’s Vision of the Future I have always been interested in computation and information, which attracted me to this book. I found Adventures of a Computational Explorer, interesting, though Wolfram's style and egotism wore thin after a while. Towards the end… http://deangelis.tech/2025/06/18/adventures-in-computation-stephen-wolframs-vision-of-the-future/18 Jun 2025 10:12 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lrurjlbcch26https://bsky.app/profile/pxdtech.bsky.social/post/3lruoipe6h22dAn Exciting Collaboration! https://lifesfinewhine.ca/2025/06/17/an-exciting-collaboration/18 Jun 2025 09:18 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lruoipe6h22dhttps://bsky.app/profile/pxdtech.bsky.social/post/3lrd767ysc72sRichard Feynman: Revolutionizing 20th Century Physics In reading or listening to anything on 20th century physics, Richard Feynman and his physics play a prominent role. With this in mind, I listened to Genius: The Life and Science of Richard Feynman. When we think of scientific genius in the 20th… http://deangelis.tech/2025/06/11/richard-feynman-revolutionizing-20th-century-physics/11 Jun 2025 10:29 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lrd767ysc72shttps://bsky.app/profile/pxdtech.bsky.social/post/3lr27pbib6224Exploring Chaos Theory: From Niagara Falls to Science My wife and I recently took a trip to Niagara Falls, staying on the Canadian side. I also just finished reading Chaos: Making a New Science, by James Gleick. As I looked at the falls and the rushing Niagara River, thinking about all of that… http://deangelis.tech/2025/06/07/exploring-chaos-theory-from-niagara-falls-to-science/07 Jun 2025 20:44 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lr27pbib6224https://bsky.app/profile/pxdtech.bsky.social/post/3lqrlnlnbm62fObserving Dryad’s Saddle: The Forest’s Spotted Surprise A Welcome Sight in Spring Today’s woodland walk brought a delightful surprise: a beautiful cluster of Dryad’s Saddle mushrooms, also known as Polyporus squamosus. This impressive bracket fungus often appears on dead or dying hardwood… http://deangelis.tech/2025/06/04/observing-dryads-saddle-the-forests-spotted-surprise/04 Jun 2025 10:24 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lqrlnlnbm62fhttps://bsky.app/profile/pxdtech.bsky.social/post/3lqezxg4ezz2gDerek’s Stuff I have mentioned Derek in an earlier post about my cherry/purpleheart dining room table. In this short clip from his most recent YouTube video, you see his stone kitchen sink. I have been impressed by Derek's metalworking and blacksmithing, and am amazed by his stoneworking skills.… http://deangelis.tech/2025/05/30/dereks-stuff/30 May 2025 10:35 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lqezxg4ezz2ghttps://bsky.app/profile/pxdtech.bsky.social/post/3lq7yukfgsb2fExploring the Evolution of Information in James Gleick’s Work I have found "information" fascinating. It seems to tie everything together. That is what attracted me to The Information. James Gleick’s The Information traces the evolution of human understanding of information—from oral traditions… http://deangelis.tech/2025/05/28/exploring-the-evolution-of-information-in-james-gleicks-work/28 May 2025 10:33 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lq7yukfgsb2fhttps://bsky.app/profile/pxdtech.bsky.social/post/3lq5if4jxom26🌿 Hyssop: The Sacred Herb with Healing Power A few years back, I enjoyed making mead. My son, who also makes mead, suggested using hyssop in my mead. I also noticed at the store of a Bucks County PA distillery, hyssop-infused bourbon. I tried unsuccessfully for a few years to grow it, but last… http://deangelis.tech/2025/05/27/%f0%9f%8c%bf-hyssop-the-sacred-herb-with-healing-power/27 May 2025 10:32 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lq5if4jxom26https://bsky.app/profile/pxdtech.bsky.social/post/3lq2v5j4rpm2sThe Philosophy of The One-Straw Revolution When we sold our Pennsylvania house, we had to install a new septic system as a condition of the sale. The only place on the property that suited the installation was at the location of my garden, so the garden had to be destroyed. I had gardened for 16… http://deangelis.tech/2025/05/26/the-philosophy-of-the-one-straw-revolution/26 May 2025 09:43 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lq2v5j4rpm2shttps://bsky.app/profile/pxdtech.bsky.social/post/3lpwvlw6uto22Slow-Carb Diet: Make Your Own Vinaigrette I generally follow the slow-carb diet as prescribed by Tim Ferriss in The 4-hour Body. When using salad dressings, I try to use no sugar varieties, and especially with no sugar added. These have been almost exclusively store-bought and almost always use… http://deangelis.tech/2025/05/24/slow-carb-diet-make-your-own-vinaigrette/24 May 2025 19:40 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lpwvlw6uto22https://bsky.app/profile/pxdtech.bsky.social/post/3lpthci2s5v2kMasanobu Fukuoka’s Guide to Sustainable Gardening Yesterday spent time in the annual garden putting in plants purchased from a local garden center. It is the time of year to think about the garden, and nature. That brings to mind the One-Straw Revolution. Introduction Masanobu Fukuoka’s The… http://deangelis.tech/2025/05/23/masanobu-fukuokas-guide-to-sustainable-gardening/23 May 2025 10:46 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lpthci2s5v2khttps://bsky.app/profile/pxdtech.bsky.social/post/3lplsb4bpta2zResolving AI Download Errors on Windows and Ubuntu As I have blogged in the past, I work with AI for my various activities, including my book summaries. I ask the AI for the book analyses in various files to download. In my last effort, when I went to download the files, I got an error message… http://deangelis.tech/2025/05/20/resolving-ai-download-errors-on-windows-and-ubuntu/20 May 2025 09:41 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lplsb4bpta2zhttps://bsky.app/profile/pxdtech.bsky.social/post/3lpjgaxqkof2mGaia’s Garden With the start of gardening season, I thought it appropriate to summarize what I believe to be the best introductory book on permaculture. Gaia's Garden: A Guide to Home-Scale Permaculture. Gaia's Garden by Toby Hemenway is widely regarded as the most accessible and inspiring… http://deangelis.tech/2025/05/19/gaias-garden/19 May 2025 11:01 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lpjgaxqkof2mhttps://bsky.app/profile/pxdtech.bsky.social/post/3lpbsvbhwk72zThe Start of the Gardening Season I have set up a small annual garden at our place in Vermont. I had four operational beds last year and added two more for this year. Yesterday the garden soil arrived to fill and top off the beds. The garden is operational and ready for planting! The six beds are… http://deangelis.tech/2025/05/16/the-start-of-the-gardening-season/16 May 2025 10:26 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lpbsvbhwk72zhttps://bsky.app/profile/pxdtech.bsky.social/post/3loxrhagtod24Overcoming Challenges in Learning Electronics I have always been interested in learning electronics, including robotics and sensors. I have started numerous times, acquiring books and kits, but never got any momentum going. Often the reason was stopping was time commitments to work and family. Now… http://deangelis.tech/2025/05/12/overcoming-challenges-in-learning-electronics/12 May 2025 10:33 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3loxrhagtod24https://bsky.app/profile/pxdtech.bsky.social/post/3lovbqomhbr2zUltralearning: A New Approach to Self-Education I recently finished this book and found it very helpful. Ultralearning by Scott H. Young is a compelling guide to mastering hard skills in a focused, self-directed manner. Drawing on personal experience and numerous case studies, Young outlines a… http://deangelis.tech/2025/05/11/ultralearning-a-new-approach-to-self-education/11 May 2025 10:47 +0000at://did:plc:avw37t5r752mt22d3v6waetc/app.bsky.feed.post/3lovbqomhbr2z