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1. [TowerTalk] synchro to RS232 (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Mon, 19 Nov 2018 11:09:13 -0800; Just how common are synchro/selsyns in ham applications.. I'd be willing to do a Arduino thing that can read one and generate USB serial/RS232 output or a display. I think I gave away my box of motor; /archives//html/Towertalk/2018-11/msg00205.html (7,414 bytes)
2. Re: [TowerTalk] synchro to RS232 (score: 1): Author: "Charles Gallo" <charlie@thegallos.com>; Date: Mon, 19 Nov 2018 14:20:20 -0500; At the price I see for synchros out there, you might be better off buying a used standard https://www.ebay.com/itm/ASTRO-SYSTEMS-INC-A-202S-5-SYNCHRO-STANDARD/123438349514?hash=item1cbd7fbcca:g:qLEAA; /archives//html/Towertalk/2018-11/msg00206.html (8,419 bytes)
3. Re: [TowerTalk] synchro to RS232 (score: 1): Author: Ken K6MR <k6mr@outlook.com>; Date: Mon, 19 Nov 2018 19:50:57 +0000; Surplus Sales of Nebraska has the 2J1G1 400 Hz unit for $55. Ken K6MR Just how common are synchro/selsyns in ham applications.. I'd be willing to do a Arduino thing that can read one and generate USB; /archives//html/Towertalk/2018-11/msg00207.html (7,703 bytes)
4. Re: [TowerTalk] synchro to RS232 (score: 1): Author: Wes Stewart <wes_n7ws@triconet.org>; Date: Mon, 19 Nov 2018 13:39:01 -0700; https://fairradio.com/product/23cx6/ I'd be willing to do a Arduino thing that can read one and generate USB serial/RS232 output or a display. I think I gave away my box of motors to some ambitious s; /archives//html/Towertalk/2018-11/msg00208.html (7,807 bytes)
5. Re: [TowerTalk] synchro to RS232 (score: 1): Author: "Charles Gallo" <charlie@thegallos.com>; Date: Mon, 19 Nov 2018 16:26:30 -0500; BTW, don't forget any time you need a synchro (Unless you are actually using it as a selsyn - aka driving the motor half as a motor), you can use a Resolver and a Scott-T transformer Synchro - 3 phas; /archives//html/Towertalk/2018-11/msg00209.html (8,149 bytes)
6. Re: [TowerTalk] synchro to RS232 (score: 1): Author: Al Kozakiewicz <akozak@hourglass.com>; Date: Mon, 19 Nov 2018 21:41:59 +0000; The defeat of the Nazi's assisted by this analog technology has almost passed completely from living memory. Rotary encoders are a fraction of the price and already signal compatible with digital sys; /archives//html/Towertalk/2018-11/msg00210.html (8,240 bytes)
7. Re: [TowerTalk] synchro to RS232 (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Mon, 19 Nov 2018 15:16:16 -0800; If you do it on Arduino, I'd be interested. Analog Devices chips: https://www.analog.com/en/parametricsearch/10890 The ones that actually do a synchro (with 3 inputs, etc.) are pretty pricey (>$2000); /archives//html/Towertalk/2018-11/msg00211.html (10,058 bytes)
8. Re: [TowerTalk] synchro to RS232 (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Mon, 19 Nov 2018 15:18:58 -0800; BTW, don't forget any time you need a synchro (Unless you are actually using it as a selsyn - aka driving the motor half as a motor), you can use a Resolver and a Scott-T transformer Synchro - 3 phas; /archives//html/Towertalk/2018-11/msg00212.html (9,084 bytes)
9. Re: [TowerTalk] synchro to RS232 (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Mon, 19 Nov 2018 15:28:27 -0800; Or maybe I am missing something? Al Synchros (and these days, resolvers) are still widely used as sensors - they're really rugged, inherently a balanced ratiometric device, so wire length isn't a big; /archives//html/Towertalk/2018-11/msg00213.html (10,127 bytes)
10. Re: [TowerTalk] synchro to RS232 (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Wed, 21 Nov 2018 09:09:33 +0700; Jim (and others), I'm moving away from the selsyn idea I think. I've had some good encouragement from Jeff at Green Heron and I think there are better alternatives today, without getting too fancy. M; /archives//html/Towertalk/2018-11/msg00231.html (10,471 bytes)
11. Re: [TowerTalk] synchro to RS232 (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Thu, 6 Dec 2018 14:05:21 -0800; Not sure who was looking for the voltage/current equations for synchros but some data is in MIT Rad Lab Vol 25 Chapter 3. Found by accident. https://www.jlab.org/ir/MITSeries/V25.PDF Grant KZ1W On 11; /archives//html/Towertalk/2018-12/msg00136.html (10,216 bytes)
12. Re: [TowerTalk] synchro to RS232 (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Fri, 7 Dec 2018 09:16:11 +0700; Hi Grant, that was me, and I think Jim Lux. Many thanks for the link. Martin, HS0ZED Grant KZ1W On 11/19/2018 15:28 PM, jimlux wrote: On 11/19/18 1:41 PM, Al Kozakiewicz wrote: The defeat of the Nazi; /archives//html/Towertalk/2018-12/msg00138.html (10,603 bytes)

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