https://twiar.net North America's Premiere Amateur Radio News Magazine Tue, 24 Feb 2026 04:04:52 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://twiar.net/wp-content/uploads/2020/05/cropped-twiarlogo512px-32x32.jpg https://twiar.net 32 32 https://twiar.net/2026/03/11/via-hackaday-calculus-by-oscilloscope/ Wed, 11 Mar 2026 11:45:49 +0000 https://twiar.net/?p=40027 Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels....]]> https://twiar.net/2026/02/25/via-hackaday-a-higher-end-pico-based-oscilloscope/ Wed, 25 Feb 2026 21:45:42 +0000 https://twiar.net/?p=39432 Hackers have been building their own basic oscilloscopes out of inexpensive MCUs and cheap LCD...]]> https://twiar.net/2026/01/15/via-hackaday-a-compact-browser-based-esp32-oscilloscope/ https://twiar.net/2026/01/15/via-hackaday-a-compact-browser-based-esp32-oscilloscope/#comments Thu, 15 Jan 2026 16:45:41 +0000 https://twiar.net/?p=38268 An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s...]]> https://twiar.net/2026/01/15/via-hackaday-a-compact-browser-based-esp32-oscilloscope/feed/ 1 https://twiar.net/2025/11/13/via-hackaday-simplest-oscilloscope-is-a-cunning-vector-display/ https://twiar.net/2025/11/13/via-hackaday-simplest-oscilloscope-is-a-cunning-vector-display/#comments Thu, 13 Nov 2025 12:45:40 +0000 https://twiar.net/?p=35771 Superlatives are tricky things. [mircemk]’s guide “How to make Simplest ever Oscilloscope Clock” falls into...]]> https://twiar.net/2025/11/13/via-hackaday-simplest-oscilloscope-is-a-cunning-vector-display/feed/ 1 https://twiar.net/2025/10/06/via-hackaday-the-oscilloscope-from-1943/ Mon, 06 Oct 2025 05:45:48 +0000 https://twiar.net/?p=34943 [Thomas] comes up with some unusual gear. In his latest teardown and repair video, he...]]> https://twiar.net/2025/10/04/via-hackaday-fnirsi-ips3608-a-bench-power-supply-with-serious-flaws/ Sat, 04 Oct 2025 20:45:00 +0000 https://twiar.net/?p=35770 Fnirsi is one of those brands that seem to pop up more and more often,...]]> https://twiar.net/2025/06/24/via-hackaday-kludge-compensates-for-kaput-component-with-contemporary-capacitor/ Tue, 24 Jun 2025 18:46:26 +0000 https://twiar.net/?p=33083 It is a well-known reality of rescuing certain older electronic devices that, at some point,...]]> https://twiar.net/2025/05/22/via-hackaday-oscilloscope-digital-storage-1990s-style/ https://twiar.net/2025/05/22/via-hackaday-oscilloscope-digital-storage-1990s-style/#comments Thu, 22 May 2025 15:45:42 +0000 https://twiar.net/?p=31876 You’re designing an oscilloscope with modest storage — only 15,000 samples per channel. However, the...]]> https://twiar.net/2025/05/22/via-hackaday-oscilloscope-digital-storage-1990s-style/feed/ 1 https://twiar.net/2025/05/14/via-hackaday-amazing-oscilloscope-demo-scores-the-win-at-revision-2025/ Wed, 14 May 2025 08:45:44 +0000 https://twiar.net/?p=31561 Classic demos from the demoscene are all about showing off one’s technical prowess, with a...]]> https://twiar.net/2025/02/24/via-hackaday-your-favorite-basic-oscilloscope-operation-guide/ Mon, 24 Feb 2025 15:45:00 +0000 https://twiar.net/?p=28158 Like many pieces of lab equipment, oscilloscopes are both extremely useful and rather intimidating to...]]> https://twiar.net/2025/02/19/via-hackaday-repairing-an-old-heathkit-scope/ Wed, 19 Feb 2025 06:45:41 +0000 https://twiar.net/?p=28162 With so many cheap oscilloscopes out there, the market for old units isn’t what it...]]> https://twiar.net/2025/01/28/via-hackaday-a-look-inside-a-modern-mixed-signal-oscilloscope/ Tue, 28 Jan 2025 06:45:46 +0000 https://twiar.net/?p=27581 High-speed bench equipment has become so much more affordable in the last decade that naturally...]]> https://twiar.net/2025/01/13/via-hackaday-making-sure-your-patch-cables-are-ready-for-rf-work/ Mon, 13 Jan 2025 21:45:00 +0000 https://twiar.net/?p=27217 How do you know that your patch cables are good? For simple jumper wires, a...]]> https://twiar.net/2024/11/26/via-hackaday-dont-forget-your-curve-tracer/ Tue, 26 Nov 2024 18:45:47 +0000 https://twiar.net/?p=25240 As cheap microcontrollers have given us an impressive range of test equipment trinkets to play...]]> https://twiar.net/2024/11/16/via-hackaday-classic-heathkit-ol-1-scope-gets-some-tlc/ https://twiar.net/2024/11/16/via-hackaday-classic-heathkit-ol-1-scope-gets-some-tlc/#comments Sat, 16 Nov 2024 09:45:00 +0000 https://twiar.net/?p=24905 These days, not only are oscilloscopes very common, but even a cheap instrument today would...]]> https://twiar.net/2024/11/16/via-hackaday-classic-heathkit-ol-1-scope-gets-some-tlc/feed/ 1 https://twiar.net/2024/11/06/via-hackaday-signal-processing-shenanigans-the-createc-sc-01-pocket-oscilloscope/ Wed, 06 Nov 2024 07:57:00 +0000 https://twiar.net/?p=24909 If you’re passionate about signal processing and retro tech, you’ll want to check out the...]]> https://twiar.net/2024/10/26/via-hackaday-tearing-down-a-digital-scope-from-78/ Sat, 26 Oct 2024 05:46:00 +0000 https://twiar.net/?p=24345 If you’re a fan of vintage electronics and DIY tinkering, you’ll find this teardown by...]]> https://twiar.net/2024/08/21/via-hackaday-handheld-oscilloscope-meter-reviewed/ Wed, 21 Aug 2024 13:07:00 +0000 https://twiar.net/?p=22539 We live in a time where there’s virtually no excuse not to have some kind...]]> https://twiar.net/2024/04/25/via-hackaday-measuring-an-unknown-velocity-factor/ Thu, 25 Apr 2024 14:32:00 +0000 https://twiar.net/?p=20860 When is the speed of light not the speed of light? Of course, that’s a...]]> https://twiar.net/2024/04/04/via-hackaday-a-nanovna-as-a-dip-meter/ Thu, 04 Apr 2024 20:23:35 +0000 https://twiar.net/?p=20561 A staple of the radio amateur’s arsenal of test equipment in previous decades was the...]]> https://twiar.net/2023/07/26/via-hackaday-remote-code-execution-on-an-oscilloscope/ https://twiar.net/2023/07/26/via-hackaday-remote-code-execution-on-an-oscilloscope/#comments Wed, 26 Jul 2023 18:52:41 +0000 https://twiar.net/?p=16716 There are a huge number of products available in the modern world that come with...]]> https://twiar.net/2023/07/26/via-hackaday-remote-code-execution-on-an-oscilloscope/feed/ 1 https://twiar.net/2023/05/26/via-hackaday-own-more-than-one-scope-youve-got-nothing-on-this-guy/ Fri, 26 May 2023 18:47:18 +0000 https://twiar.net/?p=15902 We’re guessing that quite a few of our readers have a surprising amount of redundant...]]> https://twiar.net/2023/04/18/via-hackaday-retro-gadgets-the-1983-pocket-oscilloscope/ Tue, 18 Apr 2023 17:12:14 +0000 https://twiar.net/?p=15266 In the 1980s, an oscilloscope was typically a bulky affair with a large CRT, and...]]> https://twiar.net/2021/11/04/via-hackaday-vcf-east-2021-preserving-heathkits-8-bit-computers/ Thu, 04 Nov 2021 17:27:00 +0000 https://twiar.net/?p=5750 To say the Heathkit name is well known among Hackaday readers would be something of...]]> https://twiar.net/2021/06/13/via-hackaday-ham-radio-traffic-logger-using-a-bug-in-baofeng-electronics/ Sun, 13 Jun 2021 04:44:00 +0000 https://twiar.net/?p=3850 A Baofeng radio is often one of the first purchases a new ham radio operator...]]> https://twiar.net/2020/09/07/via-hackaday-antique-oscilloscope-gets-new-home-and-purpose/ Mon, 07 Sep 2020 23:16:00 +0000 http://twiar.net/?p=1077 As the pace of technology charges blindly forward, a lot of older tools or products...]]>