Instructables: exploring - electronics - radio http://www.instructables.com Fri, 1 Aug 2014 08:57:38 PDT BLOX v1.01 Antique Radio as Bluetooth Speaker http://www.instructables.com/id/Antique-Radio-as-Bluetooth-Speaker/
Antique Radio as Bluetooth Speaker - More DIY How To Projects]]> http://cdn.instructables.com/FKY/0F37/HWKK27W5/FKY0F37HWKK27W5.SQUARE2.jpg http://cdn.instructables.com/FKY/0F37/HWKK27W5/FKY0F37HWKK27W5.SQUARE.jpg http://cdn.instructables.com/FKY/0F37/HWKK27W5/FKY0F37HWKK27W5.SMALL.jpg dermbrian UPDATE 7/1/2014 - See video at end of this Instructable that features a skin I created on DWJukebox...running on an 8 inch Windows 8.1 tablet...that allows use of this system as a home jukebox. I've always felt an affection for old radios. The fact that the United States of America used to lea...
By: dermbrian

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Wed, 18 Jun 2014 13:47:38 PDT
Mini Audio Transmitter http://www.instructables.com/id/Mini-Audio-Transmitter/
Mini Audio Transmitter - More DIY How To Projects]]> http://cdn.instructables.com/FPD/IL2V/HWDFC9TO/FPDIL2VHWDFC9TO.SQUARE2.jpg http://cdn.instructables.com/FPD/IL2V/HWDFC9TO/FPDIL2VHWDFC9TO.SQUARE.jpg http://cdn.instructables.com/FPD/IL2V/HWDFC9TO/FPDIL2VHWDFC9TO.SMALL.jpg ThisIsSteve In this instructable I'm going to show you how to build your own portable audio transmitter. This transmits FM waves so you could easily get the signals on your mobile phone, radios, etc. As the name and the picture indicates it is very small and is approximately the size of a 9v battery clip. This ...
By: ThisIsSteve

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Fri, 13 Jun 2014 07:52:07 PDT
Repair of exploded digital radio http://www.instructables.com/id/Repair-of-exploded-digital-radio/
Repair of exploded digital radio - More DIY How To Projects]]> http://cdn.instructables.com/FJZ/6OZ3/HVGXLTH6/FJZ6OZ3HVGXLTH6.SQUARE2.jpg http://cdn.instructables.com/FJZ/6OZ3/HVGXLTH6/FJZ6OZ3HVGXLTH6.SQUARE.jpg http://cdn.instructables.com/FJZ/6OZ3/HVGXLTH6/FJZ6OZ3HVGXLTH6.SMALL.jpg Milen Two years ago I bought a nice gadget - DAB+, Internet , Wi-Fi, FM radio and media player - all collected together in one device. The radio was sold under the trade mark "Medion". This is a German company selling cheap, but according my opinion, not reliable electronics. (From four their product...
By: Milen

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Wed, 21 May 2014 16:19:49 PDT
How to waterproof circuit boards (epoxy method). http://www.instructables.com/id/How-to-waterproof-circuit-boards-epoxy-method/
How to waterproof circuit boards (epoxy method). - More DIY How To Projects]]> http://cdn.instructables.com/F7O/CJ0X/HV9HODX2/F7OCJ0XHV9HODX2.SQUARE2.jpg http://cdn.instructables.com/F7O/CJ0X/HV9HODX2/F7OCJ0XHV9HODX2.SQUARE.jpg http://cdn.instructables.com/F7O/CJ0X/HV9HODX2/F7OCJ0XHV9HODX2.SMALL.jpg David97 In this instructable I will show you how to waterproof a circuit board. I will be waterproofing a cheap RC receiver from HobbyKing, but the same method can be applied to many different boards. I have used this technique for a few years now, and never had issues with it.This will void warranty! Do at...
By: David97

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Fri, 16 May 2014 15:51:23 PDT
Recycled Power Supply http://www.instructables.com/id/Recycled-Power-Supply/
Recycled Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FFW/9AMB/HV3Q30ZF/FFW9AMBHV3Q30ZF.SQUARE2.jpg http://cdn.instructables.com/FFW/9AMB/HV3Q30ZF/FFW9AMBHV3Q30ZF.SQUARE.jpg http://cdn.instructables.com/FFW/9AMB/HV3Q30ZF/FFW9AMBHV3Q30ZF.SMALL.jpg rjkorn I needed a 12V power supply for a ham radio. It needed to be able to supply 10A intermittently and be cheap. I didn't want to purchase one so I went to the junk pile. I found a nice case that used to be a satellite receiver and a bare power supply board from a discarded computer peripheral. I have ...
By: rjkorn

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Mon, 12 May 2014 12:15:28 PDT
Transistor Radio Upgrade http://www.instructables.com/id/Transistor-Radio-Upgrade/
Transistor Radio Upgrade - More DIY How To Projects]]> http://cdn.instructables.com/FC9/PE7X/HTN0V0UL/FC9PE7XHTN0V0UL.SQUARE2.jpg http://cdn.instructables.com/FC9/PE7X/HTN0V0UL/FC9PE7XHTN0V0UL.SQUARE.jpg http://cdn.instructables.com/FC9/PE7X/HTN0V0UL/FC9PE7XHTN0V0UL.SMALL.jpg BikeHacker Do you have an extra transistor radio collecting dust in your closet? This will give a new life your old radio! Get your supplies. 1. transistor radio 2. larger speakers (optional) 3. scrap wood 4. glue 5. drinking straws Remove the guts from the transistor radio. Build a wood box. ...
By: BikeHacker

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Sat, 5 Apr 2014 16:46:27 PDT
J-Pole Antennas For 144 and 440 http://www.instructables.com/id/J-Pole-Antennas-For-144-and-440/
J-Pole Antennas For 144 and 440 - More DIY How To Projects]]> http://cdn.instructables.com/FQV/1UAB/HSHDWIM0/FQV1UABHSHDWIM0.SQUARE2.jpg http://cdn.instructables.com/FQV/1UAB/HSHDWIM0/FQV1UABHSHDWIM0.SQUARE.jpg http://cdn.instructables.com/FQV/1UAB/HSHDWIM0/FQV1UABHSHDWIM0.SMALL.jpg rjkorn Since my rotor snapped and my 2m quad fell with it I needed a simple temporary antenna I made a couple of plumber's delight J-poles see here: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCoQFjAA&url=http%3A%2F%2Fharriscountyares.org%2Ftraining%2FKNW%2FKNW-110...
By: rjkorn

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Wed, 19 Mar 2014 00:18:09 PDT
Simple Dipole With A Balun Attached http://www.instructables.com/id/Simple-Dipole-With-A-Balun-Attached/
Simple Dipole With A Balun Attached - More DIY How To Projects]]> http://cdn.instructables.com/FB4/EKL2/HRWNGK3Z/FB4EKL2HRWNGK3Z.SQUARE2.jpg http://cdn.instructables.com/FB4/EKL2/HRWNGK3Z/FB4EKL2HRWNGK3Z.SQUARE.jpg http://cdn.instructables.com/FB4/EKL2/HRWNGK3Z/FB4EKL2HRWNGK3Z.SMALL.jpg rjkorn I was looking through this old box of parts and I came across an old set of TV rabbit ears my father modified to use with a SW radio. He replaced the twin lead with a PL-259 connector ignoring the mismatch since it was only for receiving. Even a receiver will benefit greatly from a good match and ...
By: rjkorn

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Sat, 22 Feb 2014 18:13:33 PST
EcoLink - The Echolink Compatible USB Interface http://www.instructables.com/id/EcoLink-The-Echolink-Compatible-USB-Interface/
EcoLink - The Echolink Compatible USB Interface - More DIY How To Projects]]> http://cdn.instructables.com/FT3/444Y/HRPBK3FH/FT3444YHRPBK3FH.SQUARE2.jpg http://cdn.instructables.com/FT3/444Y/HRPBK3FH/FT3444YHRPBK3FH.SQUARE.jpg http://cdn.instructables.com/FT3/444Y/HRPBK3FH/FT3444YHRPBK3FH.SMALL.jpg rjkorn I recently posted an instructable for an FLDigi compatible interface. It was largely based on a Hamcomm interface I designed as a hand out for a Ham / PC Usergroup talk I gave in 2005. The main difference between HamComm  and FLDigi is that FLDigi can use a tone on the right channel to key the ...
By: rjkorn

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Sun, 16 Feb 2014 10:10:06 PST
How to Make a Balun Or Unun http://www.instructables.com/id/How-to-Make-a-Balun-Or-Unun/
How to Make a Balun Or Unun - More DIY How To Projects]]> http://cdn.instructables.com/FHT/N61X/HRKR3EYX/FHTN61XHRKR3EYX.SQUARE2.jpg http://cdn.instructables.com/FHT/N61X/HRKR3EYX/FHTN61XHRKR3EYX.SQUARE.jpg http://cdn.instructables.com/FHT/N61X/HRKR3EYX/FHTN61XHRKR3EYX.SMALL.jpg rjkorn I needed a simple portable HF antenna. A long wire and some insulators is pretty easy to carry. To connect it to the radio I needed a Balun.These are such simple things but yet they cost so much from some places. I decided to make my own and did it for less than $5. A Balun is used to match a bala...
By: rjkorn

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Sat, 15 Feb 2014 07:23:49 PST
U.S.S. Constitution MP3 Radio http://www.instructables.com/id/USS-Constitution-MP3-Radio/ http://cdn.instructables.com/F57/EUO6/HRGNQW8L/F57EUO6HRGNQW8L.SQUARE2.jpg http://cdn.instructables.com/F57/EUO6/HRGNQW8L/F57EUO6HRGNQW8L.SQUARE.jpg http://cdn.instructables.com/F57/EUO6/HRGNQW8L/F57EUO6HRGNQW8L.SMALL.jpg AdventureS20 Hello, One day, while surfing the web I came across a hobbyist making dioramas of WWII battleships and displaying them in museums. I thought to my self, "that looks great so lets take it to another level". Behold, the world's first diorama MP3 radio! Due to copyright laws, I did not play music thro...
By: AdventureS20

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Sun, 9 Feb 2014 18:12:30 PST
How to make AM radio jammer? http://www.instructables.com/id/How-to-make-AM-radio-jammer/ http://cdn.instructables.com/FM1/U40B/HRBNC1QN/FM1U40BHRBNC1QN.SQUARE2.jpg http://cdn.instructables.com/FM1/U40B/HRBNC1QN/FM1U40BHRBNC1QN.SQUARE.jpg http://cdn.instructables.com/FM1/U40B/HRBNC1QN/FM1U40BHRBNC1QN.SMALL.jpg Taha Emara You can make Am radio jammer using simple components : 1 transistor 2n2222 1 resistor 1 mega ohm 1 resistor 470 ohm 1 ceramic capacitor 1 nf "102" 1 variable capacitor 5-250P from an old radio  center tap coil with ferrite core  90 turns "45 -45" as shown in picture 9 volt battery   
By: Taha Emara

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Fri, 7 Feb 2014 07:49:17 PST
Ham / Shortwave SWL Radio to Computer USB Interface http://www.instructables.com/id/Ham-Shortwave-SWL-Radio-to-Computer-USB-Interface/
Ham / Shortwave SWL Radio to Computer USB Interface - More DIY How To Projects]]> http://cdn.instructables.com/FIR/ODSN/HR0ATXF3/FIRODSNHR0ATXF3.SQUARE2.jpg http://cdn.instructables.com/FIR/ODSN/HR0ATXF3/FIRODSNHR0ATXF3.SQUARE.jpg http://cdn.instructables.com/FIR/ODSN/HR0ATXF3/FIRODSNHR0ATXF3.SMALL.jpg rjkorn I was using Fldigi for some time but hated the long audio cables. Those 3.5mm plugs are pretty noisy when you rustle the cables and besides I didn't want to use my internal soundcard. I looked at the commercially available interfaces but none fit my needs. I weeded through a bunch of different DIY o...
By: rjkorn

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Fri, 31 Jan 2014 22:41:50 PST
The Tape Measure Antenna http://www.instructables.com/id/The-Tape-Measure-Antenna/
The Tape Measure Antenna - More DIY How To Projects]]> http://cdn.instructables.com/F8H/03UF/HQ5K2LOL/F8H03UFHQ5K2LOL.SQUARE2.jpg http://cdn.instructables.com/F8H/03UF/HQ5K2LOL/F8H03UFHQ5K2LOL.SQUARE.jpg http://cdn.instructables.com/F8H/03UF/HQ5K2LOL/F8H03UFHQ5K2LOL.SMALL.jpg jcoman Are you looking for an easy kid friendly project? Are you looking for a project to encourage a new generation of ham radio operators? This project is unusual, so it’s something that will certainly capture the attention of anyone, particularly a kid. It’s an antenna built out of PVC pipe, a tape mea...
By: jcoman

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Tue, 7 Jan 2014 14:33:37 PST
Correctly Install a CB Radio http://www.instructables.com/id/Correctly-Install-a-CB-Radio/
Correctly Install a CB Radio - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/84XO/HP1PV661/FJ184XOHP1PV661.SQUARE2.jpg http://cdn.instructables.com/FJ1/84XO/HP1PV661/FJ184XOHP1PV661.SQUARE.jpg http://cdn.instructables.com/FJ1/84XO/HP1PV661/FJ184XOHP1PV661.SMALL.jpg az√ľkiBEAN Installing your CB radio correctly isn't difficult, and a job worth doing is worth doing well! So get ready to enjoy the wonderful world of free communication in this super simple instructable! Hardware -CB radio (Mic included)-Antenna (may already have Coax cable)-Coax cable (may already be conn...
By: azükiBEAN

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Wed, 11 Dec 2013 08:47:07 PST
Re-Transmitter http://www.instructables.com/id/Re-Transmitter-1/
Re-Transmitter - More DIY How To Projects]]> http://cdn.instructables.com/FTY/Y3HP/HNXRLMFT/FTYY3HPHNXRLMFT.SQUARE2.jpg http://cdn.instructables.com/FTY/Y3HP/HNXRLMFT/FTYY3HPHNXRLMFT.SQUARE.jpg http://cdn.instructables.com/FTY/Y3HP/HNXRLMFT/FTYY3HPHNXRLMFT.SMALL.jpg thiagohersan I wanted to see if I could modify one of those cheap car transmitters that people use to send music from an mp3 player to a car stereo and use it to send music from my computer to the kitchen radio. The cheap transmitter: I picked one up that had both USB and line-in input possibilities. These are...
By: thiagohersan

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Fri, 15 Nov 2013 01:45:25 PST
2 transistor am shortwave radio http://www.instructables.com/id/2-transistor-am-shortwave-radio/ http://cdn.instructables.com/FBB/64FQ/HM8DDZ5Q/FBB64FQHM8DDZ5Q.SQUARE2.jpg http://cdn.instructables.com/FBB/64FQ/HM8DDZ5Q/FBB64FQHM8DDZ5Q.SQUARE.jpg http://cdn.instructables.com/FBB/64FQ/HM8DDZ5Q/FBB64FQHM8DDZ5Q.SMALL.jpg halamka Step 1 would be cut a circuit board for the project. This is about 2 " by 3 inch. Clean the copper. Then put masking tape on. Draw the circuit on the tape. Then cut the tape with a razor. There could be a problem. I just found 50 box cutters. For these radios , I put the positive line on top and the...
By: halamka

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Tue, 22 Oct 2013 18:03:43 PDT
Varicap Controlled 555 Oscillator and Varicap Diode Tutorial http://www.instructables.com/id/Varactor-Controlled-555-Oscillator-and-Varactor-Di/
Varicap Controlled 555 Oscillator and Varicap Diode Tutorial - More DIY How To Projects]]> http://cdn.instructables.com/FRC/2GUY/HK1DG16E/FRC2GUYHK1DG16E.SQUARE2.jpg http://cdn.instructables.com/FRC/2GUY/HK1DG16E/FRC2GUYHK1DG16E.SQUARE.jpg http://cdn.instructables.com/FRC/2GUY/HK1DG16E/FRC2GUYHK1DG16E.SMALL.jpg gavargas I ordered some Varicap Diodes for radio experiments but decided to learn how to use them by making a Varicap LED 555 Flasher. You should think of getting Varicaps they are really fascinating. My Hackerspace got an awesome package of really awesome Electronics Components, among them several 555 whic...
By: gavargas

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Mon, 12 Aug 2013 15:56:38 PDT
Crate Radio/Portable Radio/ Boombox http://www.instructables.com/id/Crate-RadioPortable-Radio-Boombox/
Crate Radio/Portable Radio/ Boombox - More DIY How To Projects]]> http://cdn.instructables.com/FKO/U6KP/HK1DFPQF/FKOU6KPHK1DFPQF.SQUARE2.jpg http://cdn.instructables.com/FKO/U6KP/HK1DFPQF/FKOU6KPHK1DFPQF.SQUARE.jpg http://cdn.instructables.com/FKO/U6KP/HK1DFPQF/FKOU6KPHK1DFPQF.SMALL.jpg dackermans84 Hello everybody This is my first instructable! I usually end up with a ton of stuff i purchase over the year. Speakers, radio's amplifiers you name it, i have it. So what to do if you have all that bstuff laying around? Make a portable radio for your workshop! Because with some music, your other p...
By: dackermans84

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Sun, 11 Aug 2013 07:03:03 PDT
Build a Foxhole Radio! http://www.instructables.com/id/Build-a-Foxhole-Radio/ http://cdn.instructables.com/FI4/3O6W/HJKBZ8VG/FI43O6WHJKBZ8VG.SQUARE2.jpg http://cdn.instructables.com/FI4/3O6W/HJKBZ8VG/FI43O6WHJKBZ8VG.SQUARE.jpg http://cdn.instructables.com/FI4/3O6W/HJKBZ8VG/FI43O6WHJKBZ8VG.SMALL.jpg rickosgood It's an Instructable with a story!  What happens when RickGyver suddenly finds himself in the middle of a zombie apocalypse?  He jury rigs his way around the problem of course!  This series puts a fun fictional situation around a DIY project video.  The project featured in this video actually works ...
By: rickosgood

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Tue, 30 Jul 2013 19:37:15 PDT
Simple CB base station antenna http://www.instructables.com/id/Simple-CB-base-station-antenna/
Simple CB base station antenna - More DIY How To Projects]]> http://cdn.instructables.com/FF0/THSY/HJKC3VL3/FF0THSYHJKC3VL3.SQUARE2.jpg http://cdn.instructables.com/FF0/THSY/HJKC3VL3/FF0THSYHJKC3VL3.SQUARE.jpg http://cdn.instructables.com/FF0/THSY/HJKC3VL3/FF0THSYHJKC3VL3.SMALL.jpg rbodell This is a simple base station CB antenna You can make in 30 minutes out of a bit of PVC pipe and fittings, some wire and a SO239 coax connector and a piece of coax to connect it to your radio. You should have a 1.5 SWR on this. You should be able to build this for about 10 to 15 dollars. Materials...
By: rbodell

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Thu, 25 Jul 2013 17:25:19 PDT
How to run a radio show at Aggie Radio http://www.instructables.com/id/How-to-run-a-radio-show-at-Aggie-Radio/
How to run a radio show at Aggie Radio - More DIY How To Projects]]> http://cdn.instructables.com/FV7/2KR0/HIYWQ6F2/FV72KR0HIYWQ6F2.SQUARE2.jpg http://cdn.instructables.com/FV7/2KR0/HIYWQ6F2/FV72KR0HIYWQ6F2.SQUARE.jpg http://cdn.instructables.com/FV7/2KR0/HIYWQ6F2/FV72KR0HIYWQ6F2.SMALL.jpg tcran23 If you have attended Utah State University in the past few years, then you probably have been inside the Taggart Student Center. If you've been inside the TSC, then you may have walked by the glass window booth on the first floor. This booth is home to Aggie Radio's sound equipment and broadcasting....
By: tcran23

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Wed, 10 Jul 2013 16:16:26 PDT
how to revive a first generation Olympic 447 portable transistor radio http://www.instructables.com/id/how-to-revive-a-first-generation-Olympic-447-trans/
how to revive a first generation Olympic 447 portable transistor radio - More DIY How To Projects]]> http://cdn.instructables.com/FYR/MPT6/HHMHQRIQ/FYRMPT6HHMHQRIQ.SQUARE2.jpg http://cdn.instructables.com/FYR/MPT6/HHMHQRIQ/FYRMPT6HHMHQRIQ.SQUARE.jpg http://cdn.instructables.com/FYR/MPT6/HHMHQRIQ/FYRMPT6HHMHQRIQ.SMALL.jpg ke4mcl **this instructable assumes that you have basic electronics knowledge, you can solder, and you have the ability to use basic hand tools.** in this instructable we'll be covering the basic rebuild of an early portable transistor radio. these big transistor radios where called "lunchbox radios" and w...
By: ke4mcl

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Fri, 7 Jun 2013 07:53:28 PDT
how to revive an antique GE P780B lunchbox AM transistor radio from 1959 http://www.instructables.com/id/reviving-an-antique-GE-P780B-lunchbox-AM-transisto/
how to revive an antique GE P780B lunchbox AM transistor radio from 1959 - More DIY How To Projects]]> http://cdn.instructables.com/FS4/6LTJ/HHJOCCVB/FS46LTJHHJOCCVB.SQUARE2.jpg http://cdn.instructables.com/FS4/6LTJ/HHJOCCVB/FS46LTJHHJOCCVB.SQUARE.jpg http://cdn.instructables.com/FS4/6LTJ/HHJOCCVB/FS46LTJHHJOCCVB.SMALL.jpg ke4mcl **this instructable takes into account that you have some basic electronics knowledge, you can solder, and you can use basic hand tools.** i have quite a few radios in my collection and no other basic AM portable has the heft or the classy looks of the GE P-780B! this radio has an all metal, chrome...
By: ke4mcl

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Wed, 5 Jun 2013 20:52:16 PDT
Custom Acrylic Tube Radio http://www.instructables.com/id/Most-Awesome-Tube-Radio/
Custom Acrylic Tube Radio - More DIY How To Projects]]> http://cdn.instructables.com/FNW/HEAD/HH2LJKE9/FNWHEADHH2LJKE9.SQUARE2.jpg http://cdn.instructables.com/FNW/HEAD/HH2LJKE9/FNWHEADHH2LJKE9.SQUARE.jpg http://cdn.instructables.com/FNW/HEAD/HH2LJKE9/FNWHEADHH2LJKE9.SMALL.jpg Sparker94 I got this old tube radio off of Craigslist a little over a year ago. The case was pretty bad, the lady I got it from said it had been left out in a old school bus in the desert for some time. That story was a new one for me but I figured I could restore this old thing. Eventually I got time to mess...
By: Sparker94

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Thu, 23 May 2013 20:52:34 PDT
How to Build and Tune an AM Radio http://www.instructables.com/id/How-to-Build-and-Tune-an-AM-Radio/
How to Build and Tune an AM Radio - More DIY How To Projects]]> http://cdn.instructables.com/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SQUARE2.jpg http://cdn.instructables.com/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SQUARE.jpg http://cdn.instructables.com/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SMALL.jpg nyc640 Introduction and Motivation The purpose of this Instructable is to demonstrate how to design and build a resonator circuit that will let us tune to a given AM radio frequency. We will also briefly discuss how radio frequencies are transmitted and how amplitude modulation (AM) works. Equipment ...
By: nyc640

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Sun, 19 May 2013 19:02:41 PDT
How to Make a $19 Police Radio Scanner http://www.instructables.com/id/How-to-Make-a-19-Police-Radio-Scanner/
How to Make a $19 Police Radio Scanner - More DIY How To Projects]]> http://cdn.instructables.com/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SQUARE2.jpg http://cdn.instructables.com/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SQUARE.jpg http://cdn.instructables.com/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SMALL.jpg harrysand In this guide I will explain how to build an inexpensive SDR (software defined radio) that can be used to receive police, fire, taxi, and other digital radio transmissions. I will do my best to explain the steps in detail, and provide further resources to help along the way. For the radio enthusias...
By: harrysand

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Fri, 19 Apr 2013 08:53:45 PDT
How To Make A HomoPolar Motor http://www.instructables.com/id/How-To-Make-A-HomoPolar-Motor/
How To Make A HomoPolar Motor - More DIY How To Projects]]> http://cdn.instructables.com/F0N/DLRL/HELXCXNW/F0NDLRLHELXCXNW.SQUARE2.jpg http://cdn.instructables.com/F0N/DLRL/HELXCXNW/F0NDLRLHELXCXNW.SQUARE.jpg http://cdn.instructables.com/F0N/DLRL/HELXCXNW/F0NDLRLHELXCXNW.SMALL.jpg GalacticsTutorials You can watch the video, but If you want then check out the steps Materials You're going to need; - 1 3/4 inch circular neodymium magnet http://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Daps&field-keywords=neodymium+magnets+3%2F4&rh=i%3Aaps%2Ck%3Aneodymium+magnets+3%2F4 -  20 gauge soli...
By: GalacticsTutorials

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Mon, 25 Mar 2013 08:38:04 PDT
How to repair and revive an american made Zenith transistor radio. http://www.instructables.com/id/How-to-repair-and-revive-an-american-made-Zenith-t/
How to repair and revive an american made Zenith transistor radio. - More DIY How To Projects]]> http://cdn.instructables.com/FBH/2FRS/HD4VJRVY/FBH2FRSHD4VJRVY.SQUARE2.jpg http://cdn.instructables.com/FBH/2FRS/HD4VJRVY/FBH2FRSHD4VJRVY.SQUARE.jpg http://cdn.instructables.com/FBH/2FRS/HD4VJRVY/FBH2FRSHD4VJRVY.SMALL.jpg ke4mcl this instructable takes for granted that you can solder, work with small parts, read values on capacitors, and have a basic understanding of electricity. transistor radios have been in production for over 50 years now. even early ones are common finds at yard sales and fleamarkets. they were the ip...
By: ke4mcl

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Wed, 13 Feb 2013 16:09:12 PST
Turn $3-$4 into around $100, help the environment, learn something, and do so in under 5 minutes!! http://www.instructables.com/id/Turn-3-4-into-around-100-help-the-environment/ http://cdn.instructables.com/FKT/5BLM/HCJO4SI5/FKT5BLMHCJO4SI5.SQUARE2.jpg http://cdn.instructables.com/FKT/5BLM/HCJO4SI5/FKT5BLMHCJO4SI5.SQUARE.jpg http://cdn.instructables.com/FKT/5BLM/HCJO4SI5/FKT5BLMHCJO4SI5.SMALL.jpg ofrayray Okay, so the title may be a bit misleading, but in a sense it is true. All you need to accomplish the parlay of $3 into $100 is: 1) Thrift shop 2) Screw driver 3) Internet access 4) Desire and/or will 5) Creativity 6) Soldering Iron 7) scissors 8) something more "Pro" than scissors and soldering to...
By: ofrayray

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Thu, 31 Jan 2013 19:06:06 PST
Instalar estero de automovil con 110 v http://www.instructables.com/id/Instalar-estero-de-automvil-con-110-v/
Instalar estero de automovil con 110 v - More DIY How To Projects]]> http://cdn.instructables.com/FVD/6YJM/HAUNN0FH/FVD6YJMHAUNN0FH.SQUARE2.jpg http://cdn.instructables.com/FVD/6YJM/HAUNN0FH/FVD6YJMHAUNN0FH.SQUARE.jpg http://cdn.instructables.com/FVD/6YJM/HAUNN0FH/FVD6YJMHAUNN0FH.SMALL.jpg ber3gf Instalacion estero de automovil con 110 v Adaptador de corriente de 110v a 12 v Generalmente los antiguos televisores convencionales tienen un transformador de energia que te puede servir, consulta con un tecnico o compralo en una tienda. Identificar los cables del estereo y el adaptador Resul...
By: ber3gf

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Thu, 27 Dec 2012 10:48:26 PST
Homemade Coil Dope http://www.instructables.com/id/Homemade-Coil-Dope/
Homemade Coil Dope - More DIY How To Projects]]> http://cdn.instructables.com/FUM/YADL/H8AZS2J7/FUMYADLH8AZS2J7.SQUARE2.jpg http://cdn.instructables.com/FUM/YADL/H8AZS2J7/FUMYADLH8AZS2J7.SQUARE.jpg http://cdn.instructables.com/FUM/YADL/H8AZS2J7/FUMYADLH8AZS2J7.SMALL.jpg Re-design If you wind your own coils whether they are for an electric motor, electromagnet, radio coil or tesla coil or whatever, when you've wound it and have it the way you want it if you paint it with coil dope it will hold it's shape and won't hum in use. If you're winding an rf coil for a radio receiver...
By: Re-design

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Mon, 15 Oct 2012 19:05:22 PDT
PVC Third Monitor Stand http://www.instructables.com/id/PVC-Third-Monitor-Stand/ http://cdn.instructables.com/F0Y/Z2GW/H82UFS4Y/F0YZ2GWH82UFS4Y.SQUARE2.jpg http://cdn.instructables.com/F0Y/Z2GW/H82UFS4Y/F0YZ2GWH82UFS4Y.SQUARE.jpg http://cdn.instructables.com/F0Y/Z2GW/H82UFS4Y/F0YZ2GWH82UFS4Y.SMALL.jpg stangtime I am in the process of building a new computer system and wanted to have a separate dedicated monitor for an SDR (Software Defined Radio) station.  A friend gave me an old monitor that I thought would be great for this use.  My problem was that my desk area is pretty limited.  I initially designed a...
By: stangtime

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Sun, 14 Oct 2012 16:33:58 PDT
Stealth Gutter Antenna for Ham Radio or Shortwave http://www.instructables.com/id/Stealth-Gutter-Antenna-for-Ham-Radio-or-Shortwave/ http://cdn.instructables.com/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SQUARE2.jpg http://cdn.instructables.com/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SQUARE.jpg http://cdn.instructables.com/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SMALL.jpg stangtime I have wanted to try this for a while, but never got around to it until today. I did a quick coax run to the outside gutter and grounded the braided side, then connected the feedline to an old MFJ tuner. I was surprised that the gutter tuned up at all on any bands. 10, 15 and 20 meters could be tune...
By: stangtime

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Wed, 5 Sep 2012 14:49:54 PDT
Understanding How AM Radios work. http://www.instructables.com/id/Understanding-How-AM-Radios-work/
Understanding How AM Radios work. - More DIY How To Projects]]> http://cdn.instructables.com/FSB/IOIK/H6MF2QRZ/FSBIOIKH6MF2QRZ.SQUARE2.jpg http://cdn.instructables.com/FSB/IOIK/H6MF2QRZ/FSBIOIKH6MF2QRZ.SQUARE.jpg http://cdn.instructables.com/FSB/IOIK/H6MF2QRZ/FSBIOIKH6MF2QRZ.SMALL.jpg Re-design If you have an understanding of how AM radio work then you have a basic understanding of how radio and even TV works. In an effort to make all this understandable to the novice some of the explanation may be oversimplified. For now just read this next part and don't try too hard to understand too ...
By: Re-design

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Mon, 3 Sep 2012 16:15:08 PDT
Downloading NOAA satellite images cheaply and easily http://www.instructables.com/id/Downloading-NOAA-satellite-images-cheaply-and-easi/
Downloading NOAA satellite images cheaply and easily - More DIY How To Projects]]> http://cdn.instructables.com/FOE/7MPT/H5TVBBBD/FOE7MPTH5TVBBBD.SQUARE2.jpg http://cdn.instructables.com/FOE/7MPT/H5TVBBBD/FOE7MPTH5TVBBBD.SQUARE.jpg http://cdn.instructables.com/FOE/7MPT/H5TVBBBD/FOE7MPTH5TVBBBD.SMALL.jpg sdobbie This will show you how to download weather satellite images really cheaply and easily using easy to obtain parts. For this you will need: RTL SDR USB software defined radio. It costs around 20 pounds. get it here:http://www.ebay.co.uk/itm/140803976327?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2...
By: sdobbie

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Mon, 20 Aug 2012 11:30:08 PDT
Desk Stand For A Little Ham Radio (Baofeng UV-5R) http://www.instructables.com/id/Desk-Stand-For-A-Little-Ham-Radio-Baofeng-UV-5R/ http://cdn.instructables.com/FYK/Z6GO/H2WEPVHO/FYKZ6GOH2WEPVHO.SQUARE2.jpg http://cdn.instructables.com/FYK/Z6GO/H2WEPVHO/FYKZ6GOH2WEPVHO.SQUARE.jpg http://cdn.instructables.com/FYK/Z6GO/H2WEPVHO/FYKZ6GOH2WEPVHO.SMALL.jpg stangtime Attached is a little video for a desk stand for a little radio.  I like to have this little rig next to my keyboard but it flops over easily and the angle is not great for seeing the screen.  So I put this little stand together in about 20 minutes.   The metal is a bent and curved aluminum yardstic...
By: stangtime

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Sat, 2 Jun 2012 14:25:41 PDT
A Dynamite Antenna for an AM Radio http://www.instructables.com/id/A-Dynamite-Antenna-for-an-AM-Radio/
A Dynamite Antenna for an AM Radio - More DIY How To Projects]]> http://cdn.instructables.com/FUU/2C9A/H19RNGBR/FUU2C9AH19RNGBR.SQUARE2.jpg http://cdn.instructables.com/FUU/2C9A/H19RNGBR/FUU2C9AH19RNGBR.SQUARE.jpg http://cdn.instructables.com/FUU/2C9A/H19RNGBR/FUU2C9AH19RNGBR.SMALL.jpg RangerJ I am probably not the only person who listens to AM radio, so this might come in handy for somebody else. Back in the day, radios were AM only, and if you wanted to listen to your favorite programs you had to have an outside antenna. With the advent of the transistor radio, there soon ceased to be ...
By: RangerJ

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Fri, 20 Apr 2012 20:13:15 PDT
Radio Redux - Easy Listening Radio http://www.instructables.com/id/Radio-Redux-Easy-Listening-Radio/
Radio Redux - Easy Listening Radio - More DIY How To Projects]]> http://cdn.instructables.com/F0E/ERBK/GVOX0VU2/F0EERBKGVOX0VU2.SQUARE2.jpg http://cdn.instructables.com/F0E/ERBK/GVOX0VU2/F0EERBKGVOX0VU2.SQUARE.jpg http://cdn.instructables.com/F0E/ERBK/GVOX0VU2/F0EERBKGVOX0VU2.SMALL.jpg ellenconstable I am a second year product design student from the University of Dundee. This year, our task was to hack into an existing radio, select a new target market and build a radio accordingly. The character I chose suffered from Rheumatoid arthritis so I knew it had to be something easy to use and somethi...
By: ellenconstable

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Tue, 6 Dec 2011 03:54:25 PST
Beats Radio: Hacking a radio for traveling business man/designer. http://www.instructables.com/id/Beats-Radio-Hacking-a-radio-for-traveling-busines/
Beats Radio: Hacking a radio for traveling business man/designer. - More DIY How To Projects]]> http://cdn.instructables.com/FCF/K9UQ/GVOWF1RH/FCFK9UQGVOWF1RH.SQUARE2.jpg http://cdn.instructables.com/FCF/K9UQ/GVOWF1RH/FCFK9UQGVOWF1RH.SQUARE.jpg http://cdn.instructables.com/FCF/K9UQ/GVOWF1RH/FCFK9UQGVOWF1RH.SMALL.jpg swlivingstone Beats by Dr Dre bring you high quality music through very comfortable headphones. Beats Radio brings this same quality of music but through all your favourite radio channels. The radio is small and compact and can be transported via the handle at the top. The three types of headphones that Dr Dre ma...
By: swlivingstone

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Tue, 6 Dec 2011 03:44:32 PST
Connection - Lift, Lock, Listen. http://www.instructables.com/id/Introduction-22/
Connection - Lift, Lock, Listen. - More DIY How To Projects]]> http://cdn.instructables.com/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SQUARE2.jpg http://cdn.instructables.com/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SQUARE.jpg http://cdn.instructables.com/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SMALL.jpg jleslie2 In this instructable I will run through step by step how I created my radio for my Second Year University project. We were given a brief to hack a small portable sony radio and create a re-designed radio to accommodate for a specific chosen user. This radio is designed for my 93 year old grandmother...
By: jleslie2

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Tue, 6 Dec 2011 03:43:42 PST
Altitune: Hacking a radio for climbing and adventure activities http://www.instructables.com/id/Hacking-a-radio-for-climbing-and-adventure-activit/
Altitune: Hacking a radio for climbing and adventure activities - More DIY How To Projects]]> http://cdn.instructables.com/FG9/1L68/GVSACY55/FG91L68GVSACY55.SQUARE2.jpg http://cdn.instructables.com/FG9/1L68/GVSACY55/FG91L68GVSACY55.SQUARE.jpg http://cdn.instructables.com/FG9/1L68/GVSACY55/FG91L68GVSACY55.SMALL.jpg fish.fingercorp The Following Intractable will guide you through the steps to making a robust compact radio. The radio was made for a second year product design project at the University of Dundee. The Sony Radio The Radio I hacked was the "Sony ICFS22" which is a "Personal Radio" it's a pretty cheap radio (abou...
By: fish.fingercorp

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Mon, 5 Dec 2011 20:36:06 PST
Basic Hand Held Radio Hack For a Motorcyclist. http://www.instructables.com/id/Basic-Hand-Held-Radio-Hack-For-a-Motorcyclist/
Basic Hand Held Radio Hack For a Motorcyclist. - More DIY How To Projects]]> http://cdn.instructables.com/FOI/KFWH/GVOW53TK/FOIKFWHGVOW53TK.SQUARE2.jpg http://cdn.instructables.com/FOI/KFWH/GVOW53TK/FOIKFWHGVOW53TK.SQUARE.jpg http://cdn.instructables.com/FOI/KFWH/GVOW53TK/FOIKFWHGVOW53TK.SMALL.jpg sswanton As part of our Industrial design module in university we were given the brief of hacking a basic handheld radio (sony icf-s22) with the view to designing a radio for a specific user. I chose to design a handlebar mounted radio for a motorcyclist that would connect wirelessly to a headset within the ...
By: sswanton

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Mon, 5 Dec 2011 19:24:43 PST
DIY Radio: Hacking a radio for use in developing countries http://www.instructables.com/id/DIY-Radio-Hacking-a-radio-for-use-in-developing-c/
DIY Radio: Hacking a radio for use in developing countries - More DIY How To Projects]]> http://cdn.instructables.com/F0O/M9TW/GVSUMMN0/F0OM9TWGVSUMMN0.SQUARE2.jpg http://cdn.instructables.com/F0O/M9TW/GVSUMMN0/F0OM9TWGVSUMMN0.SQUARE.jpg http://cdn.instructables.com/F0O/M9TW/GVSUMMN0/F0OM9TWGVSUMMN0.SMALL.jpg lewis212 The DIY Radio is designed to be produced and sold as a flat-pack unit, consisting of three parts. An electronics module, the main body, and a cover. All of these components are designed to fit neatly together, using Velcro to attach the cover, which holds the structure together. The DIY Radio is an ...
By: lewis212

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Mon, 5 Dec 2011 13:52:59 PST
Simplest Oscillator (Transmitter) http://www.instructables.com/id/Simplest-Oscillator-Transmitter/
Simplest Oscillator (Transmitter) - More DIY How To Projects]]> http://cdn.instructables.com/FDE/UZML/GSUSPGYL/FDEUZMLGSUSPGYL.SQUARE2.jpg http://cdn.instructables.com/FDE/UZML/GSUSPGYL/FDEUZMLGSUSPGYL.SQUARE.jpg http://cdn.instructables.com/FDE/UZML/GSUSPGYL/FDEUZMLGSUSPGYL.SMALL.jpg jazzzzzz If you’re looking for an incredibly simple(4 component), no inductor no IC oscillator this is it. It works great for Audio Frequencies. It is a little unstable, a tradeoff for simplicity. RF frequencies are hard to get working, but possible. Step 1: Build It Building is very strait forward. ...
By: jazzzzzz

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Mon, 3 Oct 2011 12:07:44 PDT
Rebuilding an old AM radio http://www.instructables.com/id/Rebuilding-an-old-AM-radio/
Rebuilding an old AM radio - More DIY How To Projects]]> http://cdn.instructables.com/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SQUARE2.jpg http://cdn.instructables.com/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SQUARE.jpg http://cdn.instructables.com/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SMALL.jpg knife141 What could be better this Fall than listening to the ball game on an old vintage AM radio?  This instructable focuses on how I rebuilt an old, non-working pre-1942 AM radio. I won't attempt to get into radio theory in this instructable, nor attempt to provide troubleshooting info on all that can go...
By: knife141

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Sun, 24 Apr 2011 16:36:21 PDT
Radio receivers: from scratch - PART 2 http://www.instructables.com/id/Radio-receivers-from-scratch-PART-2/
Radio receivers: from scratch - PART 2 - More DIY How To Projects]]> http://cdn.instructables.com/FNP/XL4Z/GJ7MURZF/FNPXL4ZGJ7MURZF.SQUARE2.jpg http://cdn.instructables.com/FNP/XL4Z/GJ7MURZF/FNPXL4ZGJ7MURZF.SQUARE.jpg http://cdn.instructables.com/FNP/XL4Z/GJ7MURZF/FNPXL4ZGJ7MURZF.SMALL.jpg Goodhart In this segment, we will be adding a meter to measure the voltage and the amperage of the radio, and using it as a signal strength meter. We will also build a variable capacitor, a "film" static capacitor, and a few sensitive point diodes (detectors) all except the meters will be from common house...
By: Goodhart

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Fri, 22 Apr 2011 08:45:16 PDT
Adding Auxiliary Input (for an mp3 player) to an Old AM Truck Radio http://www.instructables.com/id/Adding-Auxiliary-Input-for-an-mp3-player-to-an-O/
Adding Auxiliary Input (for an mp3 player) to an Old AM Truck Radio - More DIY How To Projects]]> http://cdn.instructables.com/F8C/T5DH/GKS0STJM/F8CT5DHGKS0STJM.SQUARE2.jpg http://cdn.instructables.com/F8C/T5DH/GKS0STJM/F8CT5DHGKS0STJM.SQUARE.jpg http://cdn.instructables.com/F8C/T5DH/GKS0STJM/F8CT5DHGKS0STJM.SMALL.jpg nonoodlez This is a very simple hack that will allow your older radio to play from an auxiliary input. In my case, I am using the radio from my '66 Ford truck and using the input to listen to music from an mp3 player. The radio is about as simple as it can get: AM only, mono output but this can be done for s...
By: nonoodlez

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Fri, 4 Mar 2011 23:50:44 PST
Radio receivers part 1: from scratch http://www.instructables.com/id/Radio-receivers-from-scratch/
Radio receivers part 1: from scratch - More DIY How To Projects]]> http://cdn.instructables.com/FTZ/VYL5/GJ7MHFZV/FTZVYL5GJ7MHFZV.SQUARE2.jpg http://cdn.instructables.com/FTZ/VYL5/GJ7MHFZV/FTZVYL5GJ7MHFZV.SQUARE.jpg http://cdn.instructables.com/FTZ/VYL5/GJ7MHFZV/FTZVYL5GJ7MHFZV.SMALL.jpg Goodhart This will be a collection of simple instructions on building an actual radio or two with household items.  It will further demonstrate building one's own capacitor(s), and detector diode...again, from household items. Some care will need to be taken when soldering and when working with items like r...
By: Goodhart

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Sun, 23 Jan 2011 19:27:10 PST
Build a very simple AM Transmitter. http://www.instructables.com/id/Build-a-very-simple-AM-Transmitter/
Build a very simple AM Transmitter. - More DIY How To Projects]]> http://cdn.instructables.com/FV8/G5RX/GITI7A43/FV8G5RXGITI7A43.SQUARE2.jpg http://cdn.instructables.com/FV8/G5RX/GITI7A43/FV8G5RXGITI7A43.SQUARE.jpg http://cdn.instructables.com/FV8/G5RX/GITI7A43/FV8G5RXGITI7A43.SMALL.jpg SciToys If a crystal radio is the distilled essence of a radio, this transmitter is the matching distilled essence of transmitters. The transmitter goes together in about 10 minutes, and is small enough to fit in the palm of your hand. Depending on the antenna, the transmitter can send voice and m...
By: SciToys

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Thu, 13 Jan 2011 17:01:06 PST