tag:blogger.com,1999:blog-699164478012967002024-03-13T23:01:33.585+07:00E22ICQ's Blogo0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.comBlogger68125tag:blogger.com,1999:blog-69916447801296700.post-51386910673994475642019-03-16T12:02:00.000+07:002019-03-16T12:02:40.682+07:00มาออกแบบระบบทวนสัญญาณกันเถอะ<div>
ได้มาเป็นวิทยุสมัครเล่นเกือบปีเลยเกิดอาการคันสมอง อยากทำนู้นทำนี่ต่างๆน่า วันนี้มีความคิดออกมา ว่าทำเครือข่ายระบบทวนสัญญานไว้ใช้ก็ดีน่ะ เลยคันไม้คันมีเขียนเก็บไว้ดูบ้าง<br />
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ระบบทวนสัญญาน หรือ Repeater เป็นการนำสัญญานเสียงหรือสัญญาณข้อมูล จากจุดหนึ่งมาถ่ายทอด ณ อีกจุดหนึ่งที่คู่สนทนาสามารถ รับสัญญาณของเราได้ดีกว่าจุดของต้นสัญญาน</div>
o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-85461688378740771762018-03-11T10:13:00.001+07:002018-03-11T10:13:17.905+07:00LimeSDR Mini | เครื่องรับส่งวิทยุย่าน HFถึงSHF<div dir="auto" style="direction: ltr; margin: 0; padding: 0; font-family: sans-serif; font-size: 11pt; color: black; "> <a href="https://www.crowdsupply.com/lime-micro/limesdr-mini">https://www.crowdsupply.com/lime-micro/limesdr-mini</a><br> <br> </div> <div dir="auto" style="direction: ltr; margin: 0; padding: 0; font-family: sans-serif; font-size: 11pt; color: black; "> ผมมองหาอุปกรณ์SDR แบบที่สามารถรับส่งคลื่นวิทยุได้ limesdr ผมเห็นมาได้สักพักแล้วแต่ราคาสูงถึง300ดอลลาร์<br> <br> </div> <div dir="auto" style="direction: ltr; margin: 0; padding: 0; font-family: sans-serif; font-size: 11pt; color: black; "> ตอนนี้เห็นออกรุ่นมินิออกมา ราคาอยู่ที่200ดอลลาร์ทำให้ยังพอนำมาทดลองได้<br> <br> </div> <div dir="auto" style="direction: ltr; margin: 0; padding: 0; font-family: sans-serif; font-size: 11pt; color: black; "> คิดว่าน่าจะทดลองประมาณ2ตัว คงจะพอ กับการทดลอง เดียวถ้าได้ตัวอย่างแล้ว จะมารีวิวกัน<br> <br> <br> </div> o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-23223735349999803602016-01-30T10:53:00.001+07:002016-01-30T10:53:48.092+07:00More design for WSPR from W3PM's Project<div class="WordSection1"> <p class="MsoNormal">I reading data from web of W3PM. He has many experience project for wspr . Those project easy to build. This is a reference for me in next model. See links <a href="http://www.knology.net/~gmarcus/">http://www.knology.net/~gmarcus/</a><o:p></o:p></p> <p class="MsoNormal"><o:p> </o:p></p> <p class="MsoNormal">73 / E22ICQ<o:p></o:p></p> </div> o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-76988913688485438532015-04-03T12:52:00.001+07:002016-02-03T15:06:14.960+07:0074HCT74 simulation<span xmlns=""><p><br> </p><p>Simulation for 74HCT74 (or 74HC74) results in my circuit. <br></p><p>Simulation Program ; LTSpice </p></span>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-61584064605235094902015-04-02T12:10:00.001+07:002015-04-02T12:16:17.704+07:00【Daily project update】3D data for checking clearance of assembly<span xmlns=""><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9626XiSCeci7eB0FI5Hwbr54jUnZdhYBng9reiRFxheNqLHcZOLlEFBtV8NJZTeMmTwIsKDWZMHQxjw7CcMaKvmJ8aVP9nehqwZTwkG42wo3VRYINMnin3wnKvndm9qcldF0kbeV3CVc/s640/blogger-image--385389958.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9626XiSCeci7eB0FI5Hwbr54jUnZdhYBng9reiRFxheNqLHcZOLlEFBtV8NJZTeMmTwIsKDWZMHQxjw7CcMaKvmJ8aVP9nehqwZTwkG42wo3VRYINMnin3wnKvndm9qcldF0kbeV3CVc/s640/blogger-image--385389958.jpg"></a></div><br><p></p><p>3D data is a good feature for checking dimension of PC-Board in term of mechanical.<br>After make position of PCB such as assembly part to board. Some parts need area for those bodies.<br>Many parts are OK to plate on board if dimensions of parts are correctly.<br></p><p>PCB Program; Design Spark PCB<br></p><p>3D Program; Solidwork with Circuitwork feature.</p></span>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-18563711178135786692015-03-26T12:36:00.001+07:002015-03-26T12:36:12.784+07:00Eagle data convert to DesignSpark dataMany ham radio designer just make a equipment by them-self. Most favorite software for they design is Eagle PCB Design. I start an learn and use Design Spark PCB design. When I find data by other ham design, I need convert to use in my software. Design spark can open a intermediate data from Eagle format. <div><br></div><div>I try to convert data (Data from www.qro.cz below ) . Open its, and run ULP then use template from Design spark for convert to intermediate data (*.eip for PCB, *.eis for Schematic) , Final open on Design spark and little modification (If data correctly ). That its.</div><div><br></div><div># This process just you have both software in PC. </div><div><br><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4-P_7Ig-wTfzSYcLn9ex-R8MllWzuPgG4a7UP-BoxhA66JCTNevtr1kbwlYuIUyDvtY0cDnz-wgzQsWAx7_W8ayQ8KCtC-cYBGMhJg4r-KpXcyyY_agmh1n2mv88n07bXztHkxcgVA_8/s640/blogger-image-47577023.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4-P_7Ig-wTfzSYcLn9ex-R8MllWzuPgG4a7UP-BoxhA66JCTNevtr1kbwlYuIUyDvtY0cDnz-wgzQsWAx7_W8ayQ8KCtC-cYBGMhJg4r-KpXcyyY_agmh1n2mv88n07bXztHkxcgVA_8/s640/blogger-image-47577023.jpg"></a></div></div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-42405472263921254012015-03-24T07:59:00.001+07:002015-03-24T20:55:20.105+07:00【Daily project update】draft pcb actual side issuedCompleted a lay all components to 100x120mm. PC-Board. This side was small, components will close and track are difficult wiring. It's may clause interference between signal. Next check all components in market.<br />
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o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-27312058749230273662015-02-27T18:55:00.001+07:002015-03-24T21:40:34.173+07:00Update PCB for sdrAfter revised circuit of SDR. Circuit idea from YU1LM and I improve a oscillator for using AD9850 module. Side of PCB applied for aluminum case 100 x120 mm.<br />
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And idea for Font-end may I separated box for control</div>
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o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-37893909851979165242014-11-14T21:19:00.001+07:002014-11-14T21:19:28.677+07:00Building SDR Board.This is SDR circuit base on Softrock TX/RX ensemble but find a local components. Target a project for using in VHF band. So step by step for design.<br><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2Jg3y1-BtLFnHrvaCM02dMDrrDvOLS3-vVizMBtl-sEGvECaeOnWg2i8dH5seFar8vhZ2LiTBWR-CDR0wibYTakVTOfQiuNWhPX5KeFAsUPFan6r-5lXNFSEuA1mJzT2D4R3heWN9UrQ/s640/blogger-image--723644816.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2Jg3y1-BtLFnHrvaCM02dMDrrDvOLS3-vVizMBtl-sEGvECaeOnWg2i8dH5seFar8vhZ2LiTBWR-CDR0wibYTakVTOfQiuNWhPX5KeFAsUPFan6r-5lXNFSEuA1mJzT2D4R3heWN9UrQ/s640/blogger-image--723644816.jpg"></a></div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-67454428947402647512014-11-10T17:10:00.001+07:002014-11-12T08:06:38.349+07:00Interface a headset for yeasuI promise my friend to make a headset and foot switch. He like a contesting and he give a foot switch to me and request to build interface. Now a first design a PCB was inform to him. <div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1A779VlJ_DCDb5HU4-TlRKqvmShqEDzECNTQank6kBQgKXCJWAe4yXVXVdegN8yr-X9LkEqcwzaPWSR2rwccoy8MChyUgQ5C8JWhnD_JE4gaWawM1_HyfgNnpWf9OKe5l944Lfj4jSWY/s640/blogger-image-830725067.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1A779VlJ_DCDb5HU4-TlRKqvmShqEDzECNTQank6kBQgKXCJWAe4yXVXVdegN8yr-X9LkEqcwzaPWSR2rwccoy8MChyUgQ5C8JWhnD_JE4gaWawM1_HyfgNnpWf9OKe5l944Lfj4jSWY/s640/blogger-image-830725067.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Foot swith can connect with RJ45 at font of tranceiver. The interface's design to connect headphone and external mic. The foot switch connection with paralle to the PTT pin and ground.</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Hopefully my friend and his son enjoy the contesting.</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">73 </div><br></div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-31096010462788588222014-11-09T06:51:00.001+07:002014-11-09T06:52:50.103+07:00SDR tranceiver<div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8qW8uYdaHWSRNVcGOlpnRAEOI_YtmHliGZaJLAsY40JriyyMZEVN9bkI-h7v6RccDY3pumUkLU36-ygRsf-96MrG_QvzK0gVo-3awhtMITk1yLGckpSkDJwQgCVsl2kPQFgtRAWj4Pfg/s640/blogger-image--2045868243.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8qW8uYdaHWSRNVcGOlpnRAEOI_YtmHliGZaJLAsY40JriyyMZEVN9bkI-h7v6RccDY3pumUkLU36-ygRsf-96MrG_QvzK0gVo-3awhtMITk1yLGckpSkDJwQgCVsl2kPQFgtRAWj4Pfg/s640/blogger-image--2045868243.jpg"></a></div><br></div>SDR for ham radio is growth to recommend in shack. I have a peaberrySDR and home-brew SDR HF receiver. Now I try do a build my own design. target is for using in VHF band that is for moon bounce experiment. o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-75068012416192455622014-02-21T16:01:00.001+07:002014-02-21T16:01:52.091+07:00iAPRS v2.0 new update for tracking your mobile phone.<div><br></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaD7O8TaFRuF2QU89onuuLfx5sdYdrZ-wWBLBg55whaGJ3-tNqa4jFpShI0kYDSUjKI5CdX4I8wAI0hfWUKykqvIppNCGdnisFEZig1-iYoqpVw5QN6l0qeGxspR_rq43PzYol0PhI4-k/s640/blogger-image--2038920692.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaD7O8TaFRuF2QU89onuuLfx5sdYdrZ-wWBLBg55whaGJ3-tNqa4jFpShI0kYDSUjKI5CdX4I8wAI0hfWUKykqvIppNCGdnisFEZig1-iYoqpVw5QN6l0qeGxspR_rq43PzYol0PhI4-k/s640/blogger-image--2038920692.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">After I updated iAPRS in my iphone.</div><div class="separator" style="clear: both;">I found new feature for tracking my Iphone and send data to openAPRS.org server. I can change add massage and disable a sleep mode for continue tracking position. Checking again two and three days for more new feature. </div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-21867675284060841202014-01-21T11:20:00.000+07:002014-01-29T23:23:53.208+07:00Project the Shack room ; Starting a plan (1)<div class="mobile-photo">
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<span style="font-family: MS Gothic; font-size: x-small;"><span style="font-size: 11pt;">Happy a new year. It's will late to say that but it's OK.</span></span></div>
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<span style="font-family: MS Gothic; font-size: x-small;"><span style="font-size: 11pt;">This month I just a big plan to making a shack room in my house.</span></span></div>
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<span style="font-family: MS Gothic; font-size: x-small;"><span style="font-size: 11pt;">I read a presentation from AB1OC in <a href="http://stationproject.wordpress.com/2013/03/19/amateur-radio-station-design-and-construction/"><span style="color: blue;"><u>http://stationproject.wordpress.com</u></span></a>.</span></span></div>
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<span style="font-family: MS Gothic; font-size: x-small;"><span style="font-size: 11pt;">This is a good reference for building a Shack room.</span></span></div>
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When I draft the room for 3 x 2.2 m. area and paste a tower near room on top floor.</div>
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I just design my room on the top because I live in residential and my landscape has a flood in some year.</div>
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This position is better. I guess a problem of ground wiring but I find a best solution.</div>
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Around my home is clear view and near a river. Expect north view was tall house.</div>
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Next we just plan all rig in my station.</div>
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73 / E22ICQ</div>
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<span style="font-family: Times New Roman;"><a href="http://www.facebook.com/e22icq"><span style="color: blue; font-family: MS Gothic;"><u>facebook.com/e22icq</u></span></a></span></div>
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</span></span> o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-53788229112555863362013-10-10T07:55:00.001+07:002013-10-10T08:33:44.996+07:003 axis CNC for milling PCB - Part 2From the draft of CNC machine. I cutting and drilling the woods. Assembly all cut wood for checking dimension and area of Plan working. It's reduce to 140 x 190 mm. Next jobs find the milling motor and assemble the Axis motors.<div><br><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1t7VoRNCRTpQbDF0pqX_8Y6koPxSb26WG-ZOhOMLdFIVuknKMpzmLiN3zASV86fmfKJsWXMil3zQM0zyOusnc5fJyT8Ep3LXWHlRsLrvemW_uQvGiL9ZUj0u1RNE13tPkBlPWADNSyY4/s640/blogger-image--829004364.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1t7VoRNCRTpQbDF0pqX_8Y6koPxSb26WG-ZOhOMLdFIVuknKMpzmLiN3zASV86fmfKJsWXMil3zQM0zyOusnc5fJyT8Ep3LXWHlRsLrvemW_uQvGiL9ZUj0u1RNE13tPkBlPWADNSyY4/s640/blogger-image--829004364.jpg"></a></div></div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-32149620005958616692013-08-20T22:21:00.001+07:002013-10-10T08:33:48.940+07:003 axis CNC for milling PCB - Part 1<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEju1VWxenKokUXsITiJpJnDJJM3tWooTQh4K7ww-Zd4ZTTESXXGr8Zb-__R87_e-mSGimtcr-Yn2-5Puc4P5mRMFtXblK54rGEgQYpeppih7SHrW55WlMcTNRpr-SLa_yJr5wNOgqsFz6s/s640/blogger-image--196049950.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEju1VWxenKokUXsITiJpJnDJJM3tWooTQh4K7ww-Zd4ZTTESXXGr8Zb-__R87_e-mSGimtcr-Yn2-5Puc4P5mRMFtXblK54rGEgQYpeppih7SHrW55WlMcTNRpr-SLa_yJr5wNOgqsFz6s/s640/blogger-image--196049950.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Draft the Rubber Woods for making CNC Machine. This will be using 14 parts for assemble. Rubber woods found in local store. This design can working area in 200x250 mm. Enough for milling PCB.</div><div class="separator" style="clear: both;">Now! We will order the woods. Estimate cost for woods is ฿800.</div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-72840063123784707312013-07-15T22:53:00.001+07:002013-07-15T22:53:11.802+07:00SDR received JT65 on 20mSunday I test my homebrew SDR. I get information from YU2LM's Website. Select design single LO Frequency at 140625 kHz generate from Crystal Oscillator. JT65 operating in 140760kHz. This is on range of my SDR. While operate with long wire antenna. I received first QSO between BV7RJ and JA1PLT and signal at -24db. So I think very weak but it good for experiment. It first time.<div><br><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDllKWud7fT-sTEvhEWSjJF_pwH98xtdWriXCTu9wSh2Z7nd4aug0H1EbOiMyVAtPCg8c5WC-BmVknGL1Z-ayCtXRMSigbk5k2yMOsxC1d2-LlHvbOtZi0tpiCkRRybj4-1s7AAGL-8h0/s640/blogger-image--93400669.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDllKWud7fT-sTEvhEWSjJF_pwH98xtdWriXCTu9wSh2Z7nd4aug0H1EbOiMyVAtPCg8c5WC-BmVknGL1Z-ayCtXRMSigbk5k2yMOsxC1d2-LlHvbOtZi0tpiCkRRybj4-1s7AAGL-8h0/s640/blogger-image--93400669.jpg"></a></div></div></div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-34147283877688526552013-05-18T07:19:00.001+07:002013-05-18T07:21:02.785+07:00DDS with AD9850 and Basic Stamp microcontroller..(part 1)<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCr1VyEa9BD5BwCTPF9L057ayTtyOEuvHNlMIMrthKDizdDmet_h4Fb5PIfMlL3KzmbUQFrDIgV8yJ93gCAn0p7XG6l833h_FcGmBJgpK7qBnhyphenhyphen7cr_blGmHALvGZ1wcD-L-1ueoSCU0c/s640/blogger-image--1283350378.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCr1VyEa9BD5BwCTPF9L057ayTtyOEuvHNlMIMrthKDizdDmet_h4Fb5PIfMlL3KzmbUQFrDIgV8yJ93gCAn0p7XG6l833h_FcGmBJgpK7qBnhyphenhyphen7cr_blGmHALvGZ1wcD-L-1ueoSCU0c/s640/blogger-image--1283350378.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">I and my friend in group "Thailand Amateur Radio Group" will dicuss at RAST meeting in May. We talk about make DDS project. After we buy a DDS AD9850 module. We go back to a workbeanch for starting our jobs. Somebody used RasberryPi foe control, somebody use adurino and I select Basic Stamp. This for start to re-learning a basic language again (I lean at grade 1 in High school). So shall be lean step by step.</div><div class="separator" style="clear: both;">The Basic Stamp 2p24 has feature for I2C communicate to module ,16 I/O ports for connect Encoder, Buzzer etc. and include feature for LCD command.</div><div class="separator" style="clear: both;">Now I can write a program for up and down a data and output to screen. Next step make a program for control DDS.</div>o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-67677147313034029142013-04-20T16:18:00.001+07:002013-04-20T16:18:27.162+07:00New 20m Invert V Antenna test in 5Watts WSPR<div class="WordSection1"> <p class="MsoNormal">Last week I made my antenna for 14 Mhz band. I gone to Japan in March and brought the Balun BU-50 back to Thailand. When I were making antenna by cut a wire 1 mm dia and ½ wavelength.<o:p></o:p></p> <p class="MsoNormal">Propose for this antenna for using in portable station. I test in WSPR mode at 5 watts because I’m busy, I can’t monitors in 24 hrs. After open the wspr.org to check a result.<o:p></o:p></p> <p class="MsoNormal">My station and new antenna can spots over 700 station. That is good result for new antenna. Next I will try in portable station and other mode.<o:p></o:p></p> <p class="MsoNormal"><o:p> </o:p></p> <p class="MsoNormal"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKtAZTDoHIruHTqpyqYtXXwnRHahsjT42flAiQ6rvlUliXgIIG2plXrXDWuPL55cNHIhfk2EJAePwk9Fx_F2w9ZeKTL9FGWA4Rd7ZjwGmjoYwejKABK82dgpL4bY_GuExetEnzPnfWM88/s1600/image003-707163.jpg"><img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKtAZTDoHIruHTqpyqYtXXwnRHahsjT42flAiQ6rvlUliXgIIG2plXrXDWuPL55cNHIhfk2EJAePwk9Fx_F2w9ZeKTL9FGWA4Rd7ZjwGmjoYwejKABK82dgpL4bY_GuExetEnzPnfWM88/s320/image003-707163.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5868855947137866962" /></a><o:p></o:p></p> </div> o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-84512935892902410102013-03-28T23:00:00.001+07:002013-03-28T23:00:24.710+07:00Today QSO result ; 6 QSOs on 20m JT6514:01 1 -15 -0.3 -22 K E22ICQ JH3IMR -10 <br><div>14:28 4 -9 -0.5 794 B E22ICQ RA9JK -12 </div> <div>14:36 4 -17 0.9 571 B E22ICQ JA1BZJ -08</div><div>14:42 1 -15 0.7 544 B E22ICQ JH1QKG -17</div> <div>15:07 3 -8 -0.8 388 B E22ICQ 9V1LX -09</div><div>15:24 2 -3 -0.7 388 B E22ICQ RA0CHK -09</div><div><br></div><div>TNX for QSO.</div><div>Now operating WSPR. 73</div> <div><br></div> o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-9992473193292959192013-02-09T15:43:00.000+07:002013-02-09T15:43:20.732+07:00Weekend Project ; Peaberry SDR by AE9RBDec 2012, I order a electronic kits from internet. The kits is Software Define Radio and design by Mr.David Turnbull (AE9RB). I got its from a post box in Jan 2, 2013. Then I checked all parts in package and learn instruction in <a href="http://makeprojects.com/Project/Software+Defined+Radio+Transceiver/2439/1#.UOd8n-SE37Y">http://makeprojects.com/</a><br />
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After I received a kits from I order in <a href="http://ae9rb.com/">ae9rb.com</a><a href="http://www.blogger.com/blogger.g?blogID=69916447801296700"></a> I saw a good packaged for protect a mistake parts. SMD parts are difficult to check in parts if you have a instruments at you workbench. My order is a set for my first do its yourself.<br />
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First step follow as <a href="http://makeprojects.com/Project/Software+Defined+Radio+Transceiver/2439/1#.UOd8n-SE37Y">http://makeprojects.com/</a> print a table for select the bands. I selected 80/30/40 meter bands. A fig show I mark portion of value for those parts.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggAF6ujpiHF4IDRg9Kjvz5CTtsgGlAWkhyphenhyphenrBEXnpKKK-g5w6XSyKea9pA8lbXdNMLGkO0sr11cXT9bHKogtsRJrREvjcB5Wcv5FfFUMbeDVXn8jxaMR63gyI_O3z-z2obmXKHoWLjIkN8/s640/blogger-image-1709193040.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggAF6ujpiHF4IDRg9Kjvz5CTtsgGlAWkhyphenhyphenrBEXnpKKK-g5w6XSyKea9pA8lbXdNMLGkO0sr11cXT9bHKogtsRJrREvjcB5Wcv5FfFUMbeDVXn8jxaMR63gyI_O3z-z2obmXKHoWLjIkN8/s640/blogger-image-1709193040.jpg" /></a></div>
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Then I prepare a inductor and transforme (L1-L7, T1-T5). and next solder an 0.1uF capacitors on PCB.<br />
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Warning ; SMD parts easy to broken. Carefully a assembly. <br />
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After assemble 0.1uF capacitor should be checking an parts don't fail. <br />
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Add D1 , R1, C1, C2, C3, C4 and Socket J2. Be careful a pin of capacitor and pan have small area to solder.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhI1g75xtkaYWGDL7h03bnBpvjBm1m1-4OkpHJemTgMUbn6NPHDrCooW-j1o6MwoH3MQMxA12GiijNzusPcasfOHqpuHYBQTlN-aemEksfZH0bWZDTUDV1SVUILmckkeuETZY5l3gO2OTA/s640/blogger-image--1936972163.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhI1g75xtkaYWGDL7h03bnBpvjBm1m1-4OkpHJemTgMUbn6NPHDrCooW-j1o6MwoH3MQMxA12GiijNzusPcasfOHqpuHYBQTlN-aemEksfZH0bWZDTUDV1SVUILmckkeuETZY5l3gO2OTA/s640/blogger-image--1936972163.jpg" /></a></div>
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next solder U1 and U2. Instruction inform parts name "NX1117CExxZ". I saw on package indecate "W257CExxZ". Check in datasheet is corrected.<br />
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Supply 12-15V for check both regulator. I supply 13V and voltage output are 5.0 and 3.3 V. <br />
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Soldering J3, R14, R15, R16, C21, Q3 and check voltage at collector should be 2.0-2.5V. I measure 2.2V. Then soldering U3, U4, R2, R3, R12, R13, R4, R5, J4, J5, J6 <br />
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This portion carefully a solder. U10, U11 and P1 are small pitch and small pad. My technique add a little Lead-fee on pad before solder an SMD parts. A flux is helpful for easy soldering. <br />
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Follow the instruction for assembly parts then a step 20. I can connect to computer by USB and supply a power. The computer should be detect Peaberry SDR. I install driver for download from AE9RB.com and receiver can operate. <br />
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Setting on HDSDR. A peaberry SDR should be show in sound card selection. <br />
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Step 24 ; Don't forget a mark on transformer T4, T5. May be made misstake assembly. <br />
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Final parts Q6, Q7, Q8 after bend I tick a screw and nut before soldering. Just not finish, must be make external LPF. <br />
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Weekend job and now a midnight in Thailand. Must be going to sleep.o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-34402264484315624232013-02-09T09:30:00.001+07:002013-02-09T10:02:03.163+07:00Thailand field day contest a alone contest for ThailandLast weekend in Thailand a ham radio enjoy a alone of contesting in Thailand. Thailand field day. Contest is sponsor by 100watts Magazine. I gone contesting at my home. In condition QRP home station (Transmit lower 5 watts) . In 24 hours i made 36 QSOs as below.<br />
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Band Mode. QSOs<br />
2m. FM voice. 29<br />
2m. SSTV. 6<br />
2m. CW. 1<br />
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Good experiment last weekend QRPer. <br />
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o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-85899436064886407962013-01-02T23:55:00.002+07:002013-01-02T23:56:02.726+07:00Homebrew Long wire antenna<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge7TuZVRiNl-_ljnFoQkH7A5HP3GkA6gs_dBQuhQzQu6KFqJe8EQk_I0jueNvNybG7af0fj5Qha-n1HhAa4bigbTGmIpi__5O1BEmOiIbgTUdNlxs-FPrfqLo-HDiEVCUcJMz8wHmMiaQ/s1600/IMG_4670.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge7TuZVRiNl-_ljnFoQkH7A5HP3GkA6gs_dBQuhQzQu6KFqJe8EQk_I0jueNvNybG7af0fj5Qha-n1HhAa4bigbTGmIpi__5O1BEmOiIbgTUdNlxs-FPrfqLo-HDiEVCUcJMz8wHmMiaQ/s1600/IMG_4670.JPG" height="213" width="320" /></a></div>
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A new Homebrew Long wire antenna. For big holiday in happy new year 2013. I made a antenna replacement old dipole antenna 10 meter band. This antenna I use 1.5mm dia wire around 15 meter long. The wire connect to balun 9:1. I made this balun for longwire antenna.<br />
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This is homemade Balun 9:1. I measure by spectrum analyzer, It's Cover 1.8-20 band. I will be test on the air</div>
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o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-38580214996028486762012-11-18T20:32:00.000+07:002012-11-18T23:12:04.695+07:00Sound card interface by cheap USB sound card.<div class="mobile-photo">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-dAXiguMaCUE18ceZLQEHSmrBX_UE1-dq1JPuXjbeJLcW_f5Qfdts7Wr-0ToBrIkyr8jgVhV-kmdKi-1oNJ6gWYozFphoptvItiqo1HmiBzM-V4F7DIeCWjDpIbCa35XmZWy0pFU3k1c/s1600/______-756140.JPG"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5812145838497830498" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-dAXiguMaCUE18ceZLQEHSmrBX_UE1-dq1JPuXjbeJLcW_f5Qfdts7Wr-0ToBrIkyr8jgVhV-kmdKi-1oNJ6gWYozFphoptvItiqo1HmiBzM-V4F7DIeCWjDpIbCa35XmZWy0pFU3k1c/s320/______-756140.JPG" /></a></div>
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Sound card interface is a equipment for communication. Any mode using a computer for encode or decode data should be interface for control transceiver. I brought a cheap USB sound card at computer store. Then come to my workbench to making its.</div>
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A circuit is simple. Audio output from USB sound card direct to port for connect to mic of transceiver. At a same time audio signal going to control NPN transistor. A transistor I use 2n3904 for switch or control PTT port for transceiver.</div>
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I can find many circuit on internet. VOX control is use for this sound card interface.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgv2RZSkf-0wofQgN5FAQC5KvexBgMjZRyp4NzQZF-sZPqd_UrIfw21eXKpmf6PAf6J8cfeRSOteQXol0Z1HKUZG5ZUI_gbH0Z_v1xfUYd0cdQqbj1bvO5iJi8TZKu8pE_2toUrPBvc2Vo/s1600/image-762139.jpeg"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5812145863352172290" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgv2RZSkf-0wofQgN5FAQC5KvexBgMjZRyp4NzQZF-sZPqd_UrIfw21eXKpmf6PAf6J8cfeRSOteQXol0Z1HKUZG5ZUI_gbH0Z_v1xfUYd0cdQqbj1bvO5iJi8TZKu8pE_2toUrPBvc2Vo/s320/image-762139.jpeg" /></a><br />
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Referance ; The USBlink - a home-brew digital modes interface <a href="http://www.g4ilo.com/usblink.html">http://www.g4ilo.com/usblink.html</a></div>
o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-14726140156123404602012-11-06T21:57:00.001+07:002012-11-06T21:57:24.597+07:00Day two with Andriod<p>2nd day for try a using andriod. After I using glSDR, I thinking why any hhavve information for use RTLSDR with andriod. Andriod is a compact hardwere and some softwere.</p> <p>If I can used RtlSDR with tablate I think is vary compact for portable station. Many ham like my idea.</p> o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0tag:blogger.com,1999:blog-69916447801296700.post-88891339286227335512012-11-06T10:45:00.001+07:002012-11-06T14:40:26.887+07:00Sdr on Android tablet<div class="mobile-photo">
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I have a android tablet for test in 2 or 3 days. Now I have a first time for using android. A testing today I added a SDR application into tablet. Application is glSDR.<br />
In the app have a many share server You can select once for listening from him/her location. About all station share in HF band. If you haven't a amateur licence you can try to listens on this.o0ToTOm0ohttp://www.blogger.com/profile/00936399193401078217noreply@blogger.com0