http://www.instructables.com Thu, 23 May 2013 22:01:40 PDT BLOX v1.01 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://www.instructables.com/files/deriv/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SQUARE2.jpg http://www.instructables.com/files/deriv/FS6/Q2S5/HGU2JK8C/FS6Q2S5HGU2JK8C.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 19 May 2013 19:02:41 PDT 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://www.instructables.com/files/deriv/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SQUARE2.jpg http://www.instructables.com/files/deriv/FPL/GCTO/HFONDD4C/FPLGCTOHFONDD4C.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 19 Apr 2013 08:53:45 PDT http://www.instructables.com/id/How-To-Make-A-HomoPolar-Motor/
How To Make A HomoPolar Motor - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F0N/DLRL/HELXCXNW/F0NDLRLHELXCXNW.SQUARE2.jpg http://www.instructables.com/files/deriv/F0N/DLRL/HELXCXNW/F0NDLRLHELXCXNW.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 25 Mar 2013 08:38:04 PDT 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://www.instructables.com/files/deriv/FBH/2FRS/HD4VJRVY/FBH2FRSHD4VJRVY.SQUARE2.jpg http://www.instructables.com/files/deriv/FBH/2FRS/HD4VJRVY/FBH2FRSHD4VJRVY.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Wed, 13 Feb 2013 16:09:12 PST http://www.instructables.com/id/Turn-3-4-into-around-100-help-the-environment/ http://www.instructables.com/files/deriv/FKT/5BLM/HCJO4SI5/FKT5BLMHCJO4SI5.SQUARE2.jpg http://www.instructables.com/files/deriv/FKT/5BLM/HCJO4SI5/FKT5BLMHCJO4SI5.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 31 Jan 2013 19:06:06 PST 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://www.instructables.com/files/deriv/FVD/6YJM/HAUNN0FH/FVD6YJMHAUNN0FH.SQUARE2.jpg http://www.instructables.com/files/deriv/FVD/6YJM/HAUNN0FH/FVD6YJMHAUNN0FH.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 27 Dec 2012 10:48:26 PST http://www.instructables.com/id/Homemade-Coil-Dope/
Homemade Coil Dope - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FUM/YADL/H8AZS2J7/FUMYADLH8AZS2J7.SQUARE2.jpg http://www.instructables.com/files/deriv/FUM/YADL/H8AZS2J7/FUMYADLH8AZS2J7.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 15 Oct 2012 19:05:22 PDT http://www.instructables.com/id/PVC-Third-Monitor-Stand/ http://www.instructables.com/files/deriv/F0Y/Z2GW/H82UFS4Y/F0YZ2GWH82UFS4Y.SQUARE2.jpg http://www.instructables.com/files/deriv/F0Y/Z2GW/H82UFS4Y/F0YZ2GWH82UFS4Y.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 14 Oct 2012 16:33:58 PDT http://www.instructables.com/id/Stealth-Gutter-Antenna-for-Ham-Radio-or-Shortwave/ http://www.instructables.com/files/deriv/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SQUARE2.jpg http://www.instructables.com/files/deriv/FAR/6SYV/H6MEVVSM/FAR6SYVH6MEVVSM.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Wed, 5 Sep 2012 14:49:54 PDT http://www.instructables.com/id/Understanding-How-AM-Radios-work/
Understanding How AM Radios work. - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FSB/IOIK/H6MF2QRZ/FSBIOIKH6MF2QRZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FSB/IOIK/H6MF2QRZ/FSBIOIKH6MF2QRZ.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 3 Sep 2012 16:15:08 PDT 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://www.instructables.com/files/deriv/FOE/7MPT/H5TVBBBD/FOE7MPTH5TVBBBD.SQUARE2.jpg http://www.instructables.com/files/deriv/FOE/7MPT/H5TVBBBD/FOE7MPTH5TVBBBD.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 20 Aug 2012 11:30:08 PDT 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

Continue Reading »]]> Sat, 2 Jun 2012 14:25:41 PDT 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://www.instructables.com/files/deriv/FUU/2C9A/H19RNGBR/FUU2C9AH19RNGBR.SQUARE2.jpg http://www.instructables.com/files/deriv/FUU/2C9A/H19RNGBR/FUU2C9AH19RNGBR.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 20 Apr 2012 20:13:15 PDT http://www.instructables.com/id/Radio-Redux-Easy-Listening-Radio/
Radio Redux - Easy Listening Radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F0E/ERBK/GVOX0VU2/F0EERBKGVOX0VU2.SQUARE2.jpg http://www.instructables.com/files/deriv/F0E/ERBK/GVOX0VU2/F0EERBKGVOX0VU2.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Tue, 6 Dec 2011 03:54:25 PST 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://www.instructables.com/files/deriv/FCF/K9UQ/GVOWF1RH/FCFK9UQGVOWF1RH.SQUARE2.jpg http://www.instructables.com/files/deriv/FCF/K9UQ/GVOWF1RH/FCFK9UQGVOWF1RH.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Tue, 6 Dec 2011 03:44:32 PST http://www.instructables.com/id/Introduction-22/
Connection - Lift, Lock, Listen. - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SQUARE2.jpg http://www.instructables.com/files/deriv/FZ9/QKMK/GVP29B6G/FZ9QKMKGVP29B6G.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Tue, 6 Dec 2011 03:43:42 PST 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://www.instructables.com/files/deriv/FG9/1L68/GVSACY55/FG91L68GVSACY55.SQUARE2.jpg http://www.instructables.com/files/deriv/FG9/1L68/GVSACY55/FG91L68GVSACY55.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 5 Dec 2011 20:36:06 PST 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://www.instructables.com/files/deriv/FOI/KFWH/GVOW53TK/FOIKFWHGVOW53TK.SQUARE2.jpg http://www.instructables.com/files/deriv/FOI/KFWH/GVOW53TK/FOIKFWHGVOW53TK.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 5 Dec 2011 19:24:43 PST 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://www.instructables.com/files/deriv/F0O/M9TW/GVSUMMN0/F0OM9TWGVSUMMN0.SQUARE2.jpg http://www.instructables.com/files/deriv/F0O/M9TW/GVSUMMN0/F0OM9TWGVSUMMN0.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 5 Dec 2011 13:52:59 PST http://www.instructables.com/id/Simplest-Oscillator-Transmitter/
Simplest Oscillator (Transmitter) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FDE/UZML/GSUSPGYL/FDEUZMLGSUSPGYL.SQUARE2.jpg http://www.instructables.com/files/deriv/FDE/UZML/GSUSPGYL/FDEUZMLGSUSPGYL.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 3 Oct 2011 12:07:44 PDT http://www.instructables.com/id/Rebuilding-an-old-AM-radio/
Rebuilding an old AM radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SQUARE2.jpg http://www.instructables.com/files/deriv/F9V/ZUTR/GMVSCQEI/F9VZUTRGMVSCQEI.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 24 Apr 2011 16:36:21 PDT http://www.instructables.com/id/Radio-receivers-from-scratch-PART-2/
Radio receivers: from scratch - PART 2 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FNP/XL4Z/GJ7MURZF/FNPXL4ZGJ7MURZF.SQUARE2.jpg http://www.instructables.com/files/deriv/FNP/XL4Z/GJ7MURZF/FNPXL4ZGJ7MURZF.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 22 Apr 2011 08:45:16 PDT 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://www.instructables.com/files/deriv/F8C/T5DH/GKS0STJM/F8CT5DHGKS0STJM.SQUARE2.jpg http://www.instructables.com/files/deriv/F8C/T5DH/GKS0STJM/F8CT5DHGKS0STJM.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 4 Mar 2011 23:50:44 PST http://www.instructables.com/id/Radio-receivers-from-scratch/
Radio receivers part 1: from scratch - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FTZ/VYL5/GJ7MHFZV/FTZVYL5GJ7MHFZV.SQUARE2.jpg http://www.instructables.com/files/deriv/FTZ/VYL5/GJ7MHFZV/FTZVYL5GJ7MHFZV.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 23 Jan 2011 19:27:10 PST http://www.instructables.com/id/Build-a-very-simple-AM-Transmitter/
Build a very simple AM Transmitter. - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FV8/G5RX/GITI7A43/FV8G5RXGITI7A43.SQUARE2.jpg http://www.instructables.com/files/deriv/FV8/G5RX/GITI7A43/FV8G5RXGITI7A43.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 13 Jan 2011 17:01:06 PST http://www.instructables.com/id/Easy-AM-Transmitter/
Easy AM Transmitter! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FAM/XKTY/GIJG2GXO/FAMXKTYGIJG2GXO.SQUARE2.jpg http://www.instructables.com/files/deriv/FAM/XKTY/GIJG2GXO/FAMXKTYGIJG2GXO.SQUARE.jpg http://www.instructables.com/files/deriv/FAM/XKTY/GIJG2GXO/FAMXKTYGIJG2GXO.SMALL.jpg jensenr30 You are going to build an AM radio transmitter AND you will be shown how it works. When you finish your radio, it will look something like mine in the picture above. I have attached the PDF file in the last step to this Inst'able for those without a pro membership. Parts and Prep (Small Stuff) ...
By: jensenr30

Continue Reading »]]> Fri, 7 Jan 2011 13:53:14 PST http://www.instructables.com/id/Recycled-Cardboard-Radio/
Recycled Cardboard Radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FBQ/6P32/GI0TJECP/FBQ6P32GI0TJECP.SQUARE2.jpg http://www.instructables.com/files/deriv/FBQ/6P32/GI0TJECP/FBQ6P32GI0TJECP.SQUARE.jpg http://www.instructables.com/files/deriv/FBQ/6P32/GI0TJECP/FBQ6P32GI0TJECP.SMALL.jpg PeckLauros Hello! This was a radio that I did for my daughter play Video running radio: http://www.youtube.com/user/PeckGenGibre?feature=mhum#p/a/u/0/fH7RgwhX8xQ The radio was made with old cardboard box, bottle caps, hot glue and some electronic components salvaged from broken appliances. But they are eas...
By: PeckLauros

Continue Reading »]]> Wed, 29 Dec 2010 06:06:25 PST http://www.instructables.com/id/Vintage-Tube-Radio-Restoration-MP3-Upgrade/
Vintage Tube Radio & MP3 Upgrade - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F17/55NR/GFRWQJB5/F1755NRGFRWQJB5.SQUARE2.jpg http://www.instructables.com/files/deriv/F17/55NR/GFRWQJB5/F1755NRGFRWQJB5.SQUARE.jpg http://www.instructables.com/files/deriv/F17/55NR/GFRWQJB5/F1755NRGFRWQJB5.SMALL.jpg M3talhead This i'ble will take you though the restoration of a vintage tube radio to near-original condition and in the process, upgrade it to play to MP3s with a low cost, easy to build AM transmitter. This project does not rely on making permanent changes or modifications beyond cosmetic repair and is a gr...
By: M3talhead

Continue Reading »]]> Fri, 5 Nov 2010 05:10:45 PDT http://www.instructables.com/id/Using-a-Telephone-as-a-handset-for-a-Handheld-Radi/
Using a Telephone as a handset for a Handheld Radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FUH/XMUM/GC4G8QZD/FUHXMUMGC4G8QZD.SQUARE2.jpg http://www.instructables.com/files/deriv/FUH/XMUM/GC4G8QZD/FUHXMUMGC4G8QZD.SQUARE.jpg http://www.instructables.com/files/deriv/FUH/XMUM/GC4G8QZD/FUHXMUMGC4G8QZD.SMALL.jpg LargeMouthBass This instructable shows how to build an adaptter which allows a telephone to be used a handset for a two way radio. The benefit is that may be more ergonomically pleasing to the user than a headset mic arrangement. It also has the advantage that it can be used to transmit DTMF tones via the keypad. ...
By: LargeMouthBass

Continue Reading »]]> Thu, 7 Oct 2010 10:58:32 PDT http://www.instructables.com/id/Big-Bad-Battery-Box/
Big Bad Battery Box - More DIY How To Projects]]> http://cdn.instructables.com/F0W/NRH1/G1BBC2P4/F0WNRH1G1BBC2P4.SQUARE2.jpg http://cdn.instructables.com/F0W/NRH1/G1BBC2P4/F0WNRH1G1BBC2P4.SQUARE.jpg http://cdn.instructables.com/F0W/NRH1/G1BBC2P4/F0WNRH1G1BBC2P4.SMALL.jpg z0rb For those experimenters that are continually on the go, and need a mobile power source that could be lugged about. I offer you the Big Bad Battery Box. Finally getting around to filling the decade long need for power A number of years ago I started toying with homemade VLF (Very Low Frequenc...
By: z0rb

Continue Reading »]]> Sat, 11 Sep 2010 09:39:14 PDT http://www.instructables.com/id/Restoring-an-old-radio/
Restoring an old radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFY/GOO9/GFRWRAES/FFYGOO9GFRWRAES.SQUARE2.jpg http://www.instructables.com/files/deriv/FFY/GOO9/GFRWRAES/FFYGOO9GFRWRAES.SQUARE.jpg http://www.instructables.com/files/deriv/FFY/GOO9/GFRWRAES/FFYGOO9GFRWRAES.SMALL.jpg fender-electric-guitar            You have just got a tube radio from grandma or saw it at an estate sale for a good price. These little radios take you back to a time before TVs, computers, video games, cds and many more things. This was when shows where broadcast on a radio not TV. This will show you how to restore yo...
By: fender-electric-guitar

Continue Reading »]]> Thu, 26 Aug 2010 13:25:35 PDT http://www.instructables.com/id/Radio-Rediscovery-part-1-Info/
Radio Rediscovery- part 1- Info - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FCS/4Z8Q/GD0R0WQV/FCS4Z8QGD0R0WQV.SQUARE2.jpg http://www.instructables.com/files/deriv/FCS/4Z8Q/GD0R0WQV/FCS4Z8QGD0R0WQV.SQUARE.jpg http://www.instructables.com/files/deriv/FCS/4Z8Q/GD0R0WQV/FCS4Z8QGD0R0WQV.SMALL.jpg deastructionator Radio's as a whole aren't an old technology, and yet we still seem to consiter them just a relic of the past. There is still alot you can learn from the technology of the past, but we're catching the last of a generation for whom radios were a much bigger part of life. It won't be long before we wil...
By: deastructionator

Continue Reading »]]> Tue, 24 Aug 2010 11:02:48 PDT http://www.instructables.com/id/A-neat-invisible-indoor-aerial/
A neat invisible indoor aerial - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FIX/SCX2/GD0R0NDS/FIXSCX2GD0R0NDS.SQUARE2.jpg http://www.instructables.com/files/deriv/FIX/SCX2/GD0R0NDS/FIXSCX2GD0R0NDS.SQUARE.jpg http://www.instructables.com/files/deriv/FIX/SCX2/GD0R0NDS/FIXSCX2GD0R0NDS.SMALL.jpg gruffalo child I wanted to build an aerial for a very long time, but a roof or outdoor one doesn't suit me, as there are no trees near my window and it is impossible to climb on the roof, so I had to make do with an indoor one. I made some research into indoor aerials, but the only type I found in a bunch of old b...
By: gruffalo child

Continue Reading »]]> Tue, 24 Aug 2010 03:12:41 PDT http://www.instructables.com/id/Simple-OP-Amp-radio/
Simple OP Amp radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FU6/8FI2/GB3XJ95R/FU68FI2GB3XJ95R.SQUARE2.jpg http://www.instructables.com/files/deriv/FU6/8FI2/GB3XJ95R/FU68FI2GB3XJ95R.SQUARE.jpg http://www.instructables.com/files/deriv/FU6/8FI2/GB3XJ95R/FU68FI2GB3XJ95R.SMALL.jpg MacDynamo This is just what you think it is, a radio made with an op amp. This is just as accidental and simplistic as my other radio instructable (the 555 radio) and actually made me ask myself if I was just an RF magnet or something. There is only about a handful of parts you need and while somewhat pricey ...
By: MacDynamo

Continue Reading »]]> Sat, 3 Jul 2010 20:08:58 PDT http://www.instructables.com/id/Dual-NE555-Beeper/
Dual NE555 Beeper - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F0B/RT9M/GAA0EKIX/F0BRT9MGAA0EKIX.SQUARE2.jpg http://www.instructables.com/files/deriv/F0B/RT9M/GAA0EKIX/F0BRT9MGAA0EKIX.SQUARE.jpg http://www.instructables.com/files/deriv/F0B/RT9M/GAA0EKIX/F0BRT9MGAA0EKIX.SMALL.jpg aldude999 Annoy factor: 7/10 Modularity: 6/10 Abstraction: 3/10 This guide is not a follow the lines exactly guide, but a use what parts you have, but there are a few things you need to follow and have LETS START! Get your parts together Gather the parts Breadboard (Soderless or preforated, either one will...
By: aldude999

Continue Reading »]]> Tue, 8 Jun 2010 20:43:21 PDT http://www.instructables.com/id/10-Minute-Variable-Capacitor/
10 Minute Variable Capacitor - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FUH/VH7J/G962OC4Z/FUHVH7JG962OC4Z.SQUARE2.jpg http://www.instructables.com/files/deriv/FUH/VH7J/G962OC4Z/FUHVH7JG962OC4Z.SQUARE.jpg http://www.instructables.com/files/deriv/FUH/VH7J/G962OC4Z/FUHVH7JG962OC4Z.SMALL.jpg dloranger Supplies you will need: 1.) Sharpie 2.) Superglue 3.) CD case (slim) 4.) 2 CD's 5.) Wire (26 AWG) 6.) Heavy Paper 7.) Glue Stick 8.) Tinfoil sheet 9.) Pocket or Exacto knife 10.) Plastic bottle cap PREPAIR "PLATES" a.) Turn both CD's upside down and cover them half-way with glue from the glue sti...
By: dloranger

Continue Reading »]]> Thu, 13 May 2010 15:20:31 PDT http://www.instructables.com/id/Glowbugs-Homebrew-Amateur-Radio-Transmitters-and/ http://www.instructables.com/files/deriv/F2S/94GY/G5W7J4JN/F2S94GYG5W7J4JN.SQUARE2.jpg http://www.instructables.com/files/deriv/F2S/94GY/G5W7J4JN/F2S94GYG5W7J4JN.SQUARE.jpg http://www.instructables.com/files/deriv/F2S/94GY/G5W7J4JN/F2S94GYG5W7J4JN.SMALL.jpg Andy UU1CC Glowbugs - homebrew (DIY) tube gadgets, receivers and transmitters, dedicated to the Golden Era of Amateur Radio. Generally, any small, home-built tube-type transmitter or receiver may be referred to as a glowbug. The majority of glowbug transmitters are designed to be used in the CW radiotelegraphy...
By: Andy UU1CC

Continue Reading »]]> Sun, 21 Feb 2010 09:06:36 PST http://www.instructables.com/id/Assembling-a-Niftymitter-v024/
Assembling a Niftymitter v0.24 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FHK/O314/G33OY1IE/FHKO314G33OY1IE.SQUARE2.jpg http://www.instructables.com/files/deriv/FHK/O314/G33OY1IE/FHKO314G33OY1IE.SQUARE.jpg http://www.instructables.com/files/deriv/FHK/O314/G33OY1IE/FHKO314G33OY1IE.SMALL.jpg royshearer This instructable will guide you through assembling a Niftymitter v.0.24, a small open source FM transmitter. More information on the design can be found at www.openthing.org/products/niftymitter. For this you will need an assembled Niftymitter v0.24 PCB, switch and the lasercut nets for the c...
By: royshearer

Continue Reading »]]> Tue, 15 Dec 2009 06:05:15 PST http://www.instructables.com/id/Assembling-a-Niftymitter-board-a-short-range-FM-/
Assembling a Niftymitter v0.24 board - a short range FM transmitter - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F91/SLQ8/G2HE02AZ/F91SLQ8G2HE02AZ.SQUARE2.jpg http://www.instructables.com/files/deriv/F91/SLQ8/G2HE02AZ/F91SLQ8G2HE02AZ.SQUARE.jpg http://www.instructables.com/files/deriv/F91/SLQ8/G2HE02AZ/F91SLQ8G2HE02AZ.SMALL.jpg royshearer This Instructable will guide you through assembling the circuit for Niftymitter, an open source mini FM transmitter. The circuit uses a free running oscillator and is based on Tetsuo Kogawa's Simplest FM transmitter. The project is housed at www.openthing.org/products/niftymitter What you need ...
By: royshearer

Continue Reading »]]> Mon, 14 Dec 2009 10:53:32 PST http://www.instructables.com/id/air-variable-capacitor-from-scrap-aluminum-sheets/
air variable capacitor from scrap aluminum sheets - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FWD/IOE6/FYTCOV8U/FWDIOE6FYTCOV8U.SQUARE2.jpg http://www.instructables.com/files/deriv/FWD/IOE6/FYTCOV8U/FWDIOE6FYTCOV8U.SQUARE.jpg http://www.instructables.com/files/deriv/FWD/IOE6/FYTCOV8U/FWDIOE6FYTCOV8U.SMALL.jpg Jezan I was building a crystal set for my son, but it came to a halt. When i found out that i have no variable capacitor in my pile of junk.Scavenging one from an old radio was not an option. Since most of new radios uses analog tuning. And the ones with air variable capacitors are very rare, and are coll...
By: Jezan

Continue Reading »]]> Wed, 26 Aug 2009 17:46:31 PDT http://www.instructables.com/id/555-timer-radio/
555 timer radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZV/PLOW/FXETSD13/FZVPLOWFXETSD13.SQUARE2.jpg http://www.instructables.com/files/deriv/FZV/PLOW/FXETSD13/FZVPLOWFXETSD13.SQUARE.jpg http://www.instructables.com/files/deriv/FZV/PLOW/FXETSD13/FZVPLOWFXETSD13.SMALL.jpg MacDynamo Changes have been made to this instructable, these changes are denoted by asterisks ( * ) A single station 555 timer radio from a few simple and common parts. Switches between an oscillator and AM radio receiver. A few things I should warn you about before you get too excited... 1. This ...
By: MacDynamo

Continue Reading »]]> Fri, 24 Jul 2009 10:13:56 PDT http://www.instructables.com/id/Mod-a-Ricochet-radio-modem-to-take-an-external-ant/
Mod a Ricochet radio modem to take an external antenna - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FV1/XZR1/F8Y3UEHY/FV1XZR1F8Y3UEHY.SQUARE2.jpg http://www.instructables.com/files/deriv/FV1/XZR1/F8Y3UEHY/FV1XZR1F8Y3UEHY.SQUARE.jpg http://www.instructables.com/files/deriv/FV1/XZR1/F8Y3UEHY/FV1XZR1F8Y3UEHY.SMALL.jpg Myself The product of a before-its-time business model, Ricochet modems are great technology with a surprisingly low price tag. They act just like regular modems, but with an RF layer instead of a phone line. Build your own dial-in access server, control a microcontroller project, or do other serial tricks...
By: Myself

Continue Reading »]]> Wed, 14 Nov 2007 19:04:15 PST http://www.instructables.com/id/How-to%3a-Make-a-simple-Crystal-Radio/
How to: Make a simple Crystal Radio - More DIY How To Projects]]> http://cdn.instructables.com/FS1/Z2O6/F6B7Q6X9/FS1Z2O6F6B7Q6X9.SQUARE2.jpg http://cdn.instructables.com/FS1/Z2O6/F6B7Q6X9/FS1Z2O6F6B7Q6X9.SQUARE.jpg http://cdn.instructables.com/FS1/Z2O6/F6B7Q6X9/FS1Z2O6F6B7Q6X9.SMALL.jpg microman171 I know there is many on this topc but this is slightly different. Instead of using magnet wire, gelana, iron pyrite, germanium diodes, I have used a rusty knife blade (A craft knife with the snap of blades) and a pencil lead as a detector, a crystal Earphone as an earphone, Solid Cat 6 wire as the ...
By: microman171

Continue Reading »]]> Sun, 16 Sep 2007 01:34:47 PDT