https://twiar.net North America's Premiere Amateur Radio News Magazine Mon, 09 Feb 2026 00:25:55 +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/2026/02/22/via-hackaday-555-based-square-wave-and-triangle-wave-function-generator-build-for-beginners/ Sun, 22 Feb 2026 07:45:40 +0000 https://twiar.net/?p=39603 Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos...]]> https://twiar.net/2025/09/20/via-hackaday-the-555-as-youve-never-seen-it-in-textile/ Sat, 20 Sep 2025 13:17:00 +0000 https://twiar.net/?p=35469 The Diné (aka Navajo) people have been using their weaving as trade goods at least...]]> https://twiar.net/2025/08/18/via-hackaday-2025-one-hertz-challenge-555-timer-gets-a-signal-from-above/ Mon, 18 Aug 2025 18:45:48 +0000 https://twiar.net/?p=34113 One of the categories we chose for the One Hertz Challenge is “Could Have Used...]]> https://twiar.net/2025/08/14/via-hackaday-2025-one-hertz-challenge-a-555-but-not-as-we-know-it/ Thu, 14 Aug 2025 20:45:43 +0000 https://twiar.net/?p=34093 We did explicitly ask for projects that use a 555 timer for the One Hertz...]]> https://twiar.net/2025/07/18/via-hackaday-the-555-writ-large/ Fri, 18 Jul 2025 12:37:12 +0000 https://twiar.net/?p=33690 Few electronic ICs can claim to be as famous as the 555 timer. Maybe part...]]> https://twiar.net/2025/05/23/via-hackaday-five-oddest-op-amp-applications/ https://twiar.net/2025/05/23/via-hackaday-five-oddest-op-amp-applications/#comments Fri, 23 May 2025 23:45:44 +0000 https://twiar.net/?p=31835 You think of op amps as amplifiers because, no kidding, it is right in the...]]> https://twiar.net/2025/05/23/via-hackaday-five-oddest-op-amp-applications/feed/ 1 https://twiar.net/2025/01/05/via-hackaday-555-timers-bring-christmas-charm-to-miniature-village/ https://twiar.net/2025/01/05/via-hackaday-555-timers-bring-christmas-charm-to-miniature-village/#comments Mon, 06 Jan 2025 03:45:44 +0000 https://twiar.net/?p=27043 The miniature Christmas village is a tradition in many families — a tiny idyllic world...]]> https://twiar.net/2025/01/05/via-hackaday-555-timers-bring-christmas-charm-to-miniature-village/feed/ 1 https://twiar.net/2024/12/14/via-hackaday-flashy-paper-christmas-tree-does-it-with-a-555/ Sun, 15 Dec 2024 00:45:48 +0000 https://twiar.net/?p=26465 ‘Tis the season for holiday hacks, and [Ben Emmett] is here to remind us that...]]> https://twiar.net/2024/10/27/via-hackaday-using-the-555-for-everything/ Sun, 27 Oct 2024 23:45:00 +0000 https://twiar.net/?p=24586 The 555 timer is one of the most versatile integrated circuits available. It can generate...]]> https://twiar.net/2022/09/22/via-hackaday-big-noise-from-a-555-and-a-little-embroidery/ Thu, 22 Sep 2022 15:57:00 +0000 https://twiar.net/?p=11893 [Sam Topley] specializes in making textile based, electronic instruments and sculptures using embroidery, and this little...]]> https://twiar.net/2022/01/14/via-hackaday-work-the-world-on-a-555/ Fri, 14 Jan 2022 21:27:00 +0000 https://twiar.net/?p=7174 Over the years the humble 555 timer has been used in so many unexpected places, but...]]> https://twiar.net/2021/06/22/via-hackaday-vacuum-tube-magic-comes-to-the-741/ Tue, 22 Jun 2021 17:22:00 +0000 https://twiar.net/?p=3974 Some of you may remember a recent project that featured on these pages, a 555...]]>