| 1. |  | Ask HN: How do I learn practical electronic repair? | 
|  | 185 points by juanse 5 months ago  | 113 comments | 
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| 2. |  | Wow@Home – Network of Amateur Radio Telescopes (upr.edu) | 
|  | 196 points by visviva 5 months ago  | 35 comments | 
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| 3. |  | Design for 3D-Printing (rahix.de) | 
|  | 837 points by q3k 5 months ago  | 210 comments | 
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| 4. |  | How Janet's PEG module works (bakpakin.com) | 
|  | 81 points by behnamoh 6 months ago  | 14 comments | 
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| 5. |  | Satellogic's Open Satellite Feed (marksblogg.com) | 
|  | 256 points by marklit 8 months ago  | 13 comments | 
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| 6. |  | A $100 DIY muon tomographer (ieee.org) | 
|  | 283 points by Luc 8 months ago  | 44 comments | 
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| 7. |  | Turn your Android phone into a modern ham radio transceiver (kv4p.com) | 
|  | 537 points by thcipriani on Oct 12, 2024  | 191 comments | 
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| 8. |  | Show HN: Open-Source Software for Designing 3D-Printable Luneburg Lenses for RF (github.com/jboirazian) | 
|  | 73 points by jboirazian on Sept 2, 2024  | 35 comments | 
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| 9. |  | Rediscovering the Small Web (2020) (neustadt.fr) | 
|  | 256 points by colinprince on Aug 31, 2024  | 64 comments | 
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| 10. |  | R5N - Obfuscated mesh routing on hostile networks. (gnunet.org) | 
|  | 106 points by tinydev on Aug 3, 2024  | 14 comments | 
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| 11. |  | Radxa X4 low-cost, credit card-sized Intel N100 SBC goes for $60 and up (cnx-software.com) | 
|  | 86 points by todsacerdoti on July 19, 2024  | 55 comments | 
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| 12. |  | A Mini Monitor for a Pi (noamzeise.com) | 
|  | 208 points by nomza on July 8, 2024  | 61 comments | 
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| 13. |  | Planes in 3D Space (alexharri.com) | 
|  | 160 points by alexharri on April 27, 2024  | 49 comments | 
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| 14. |  | Radios, how do they work? (lcamtuf.substack.com) | 
|  | 641 points by todsacerdoti on March 25, 2024  | 109 comments | 
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| 15. |  | Receiving weather satellite images using SatDump (nooelec.com) | 
|  | 197 points by belter on Feb 8, 2024  | 36 comments | 
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| 16. |  | The ReMarkable Streaming Tool v2: Elevating Remote Work Efficiency (owulveryck.info) | 
|  | 588 points by owulveryck on Aug 20, 2023  | 114 comments | 
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| 17. |  | U.S. Marine Corps Antenna Handbook (1999) [pdf] (marines.mil) | 
|  | 310 points by joos3 on July 29, 2023  | 87 comments | 
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| 18. |  | Introduction to Data-Centric AI (csail.mit.edu) | 
|  | 272 points by jonbaer on Feb 23, 2023  | 29 comments | 
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| 19. |  | The Little Learner: A Straight Line to Deep Learning (mitpress.mit.edu) | 
|  | 405 points by dgarrett on Feb 15, 2023  | 96 comments | 
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| 20. |  | 80/20 Aluminum T-slot Building Systems – Build your Idea (8020.net) | 
|  | 333 points by thunderbong on Jan 29, 2023  | 140 comments | 
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| 21. |  | Motors for Makers: A Guide to Steppers, Servos, and Other Electrical Machines (2015) (motorsformakers.com) | 
|  | 262 points by teleforce on Jan 25, 2023  | 99 comments | 
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| 22. |  | Introduction to Locality-Sensitive Hashing (2018) (tylerneylon.com) | 
|  | 237 points by signa11 on Dec 23, 2022  | 36 comments | 
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| 23. |  | Simple Anomaly Detection Using Plain SQL (hakibenita.com) | 
|  | 512 points by harporoeder on Jan 11, 2021  | 47 comments | 
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| 24. |  | Homemade Heat Pump Manifesto (2009) (ecorenovator.org) | 
|  | 481 points by walterbell on Sept 24, 2022  | 247 comments | 
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| 25. |  | Ask HN: Working in tech for climate? | 
|  | 298 points by oljvhnwo on Aug 2, 2022  | 276 comments | 
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| 26. |  | Formulog: ML + Datalog + SMT (weaselhat.com) | 
|  | 129 points by matt_d on Aug 8, 2020  | 21 comments | 
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| 27. |  | Graph Isomorphism update: quasipolynomial claim restored (uchicago.edu) | 
|  | 200 points by tejtm on Jan 9, 2017  | 35 comments | 
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