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Thread: FM/DAB digital radio - THAT WORKS!!

  1. #111
    Variable Bitrate
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    226
    Thanks Craig.

    Since you have a semi-direct link to the manufacturer, can you find out some more details regarding the type of antenna we will need for both DAB+ and FM reception please ?

    Australia is a VAST place with some distances between towns and we would like to get the furthest reception we can from the units, rather than relying on always being in the city centre for reception.
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  2. #112
    Constant Bitrate
    Join Date
    Jun 2006
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    188
    if there is an amp, chances are it will have a filter on it so DAB frequencies won't work.

    if you basically have a pole like fitted to toyota starlets where you can move the thing in and out and its unamplified you should get a decent signal.

    If you've got a beesting aerial which is fitted to most Vauxhalls/Opels, Peugeots, Volkswagens, then almost guaranteed that you will need a new aerial.
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  3. #113
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    Join Date
    Apr 2010
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    1
    Everyone who's interested in purchasing a DAB radio may want to check the original thread on www.digital-car.co.uk where all the designs and technical knowledge detailing how to make your own dab/dab+ radio are there for free - even the support is free....

    Craig Brass may have had permission from nrgizerbunny to use the circuitboard design, but he certainly did not have permission from the rest of the collaborators on the diy-project. A huge of breach of trust if you will, certainly has created a LOT of ill feeling on the forum because nrgizerbunny has profitted (sold the design) from a lot of people's hard work.

    You'd be well advised to read the original thread, especially if you have all the parts and a bit of electrical knowledge, as it's quite expensive when it can be done for a lot less than that!! Definitely if you're abroad and have to factor in customs/shipping etc.

    http://www.digital-car.co.uk/forum/s...=8609&page=113

  4. #114
    Variable Bitrate
    Join Date
    Apr 2010
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    268
    @Carerra: Actually, I emailed Chris when I first was interested. He was fine with it based on a number of facts :-
    1. I was purchasing chips with the correct firmware on them rather than getting them from radios and flashing firmware from other companies.
    2. The software I was planning to use was 100% developed by our company and not anything to do with the software released on Digital Car.
    3. The design of the board is a custom design tuned specifically for Car PC use. It does not even resemble the one released by Chris.

    As such, me and Chris don't have a problem with each other.

    The units I am selling are aimed at people without the skills / time to solder components on, find a suitable radio for a Venice chip and sort it all out.

    I should have something available in the next few days. Just fine tuning everything including trying to get the production price as low as possible to reduce my initial price estimate.

  5. #115
    FLAC Griff1's Avatar
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    Nov 2005
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    Midlands
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    There's a lot of bitter ars**oles over there, i've never known such petty jealousy, you should all get a life.

    I think its high time the moderators banned half of you from Digital-Car.
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  6. #116
    Variable Bitrate
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    Apr 2010
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    I just have taken to ignoring it and so has nrgizerbunny. The facts are simple: People want a pre-built unit. I have had loads of emails, PMs, etc requesting one of these units and asking me when they will be ready. nrgizerbunny clearly has sold many in the past too. If there wasn't a market, people would not be buying them!

    Thanks for your support, though.

  7. #117
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    Mar 2010
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    22
    Somebody tells me there will be pre-built PCB's for sale at around the 10 mark for those not brave enough to make there own

  8. #118
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    Sydney Australia
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    Quote Originally Posted by Carerra View Post
    Everyone who's interested in purchasing a DAB radio may want to check the original thread on www.digital-car.co.uk where all the designs and technical knowledge detailing how to make your own dab/dab+ radio are there for free - even the support is free....
    Nope ... all gone.
    I have read ALL 115 pages of the referred thread on digital-car UK forum and the referenced other threads and both Chris31 and nrgb have removed all their posts which relate to the powersupply circuit and venice flasher board circuit and the firmware for flashing the venice was never posted as public information due to legalities related to reverse-engineering the venice module.

    @ Craig
    Related costs from digital-car UK forum thread ...
    20 for flashed venice module including original radio purchase
    10.50 for assembled circuit board (where did you get the 70 you quoted earlier ???)
    15 USB interface
    Software plugin FREE
    Total = 45.50 including postage in UK.
    Compare this with your 80-100 and that is around a 100% markup and most companies I know of (even the global comany I work for) usually think that a 35% markup on costs is a great margin with the break-even margin being around 15%. Ofcourse it all depends on volume and turn-over so I am very interested in your final released cost based on these figures.
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  9. #119
    Newbie
    Join Date
    Mar 2010
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    22
    All the info is still there, I looked at it yesterday. I will post links later.

    10.70 was for an unbuilt board (only ten were sold at that price).

    ALL the info you need is on DC!!

  10. #120
    Newbie
    Join Date
    Mar 2010
    Posts
    22
    http://www.digital-car.co.uk/forum/a...3&d=1264241512 - PCB design

    Parts List;

    QTY Item
    3 1000uF Capacitor
    1 10uH or 1uH Inductor
    1 390R Resistor Metal Film
    2 240R Resistor Metal Film
    3 0.1uF Capacitor (Tantalum)
    1 3300uF Capacitor
    2 10nF Capacitor (Optional)
    2 2.2uF Capacitor
    2 LM317T Regulator
    2 15 Way 0.1in housing
    2 6 way 0.1 in housing
    1 3.5mm audio jack

    Make a copy of the image before it disappears (Google cache will still have it, when it does disappear though).

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