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  1. Replies
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    Nice one E. Having played with it last night,...

    Nice one E.

    Having played with it last night, it seems that the microchip new HID USB stack is not compatible with robby's old software. It works fine on CF and not on RR, Driveline or TPMS...
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    Standalone is not a problem, it would be just...

    Standalone is not a problem, it would be just basic sw showing how it works. As above E would probably make it all look pretty and all.
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    Yup its generic, it is actually based on the...

    Yup its generic, it is actually based on the silicon labs chip. Configuration is via SPI and you set the centre frequency, bandwidth, expected baudrate, gain, etc etc. You do this each time you...
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    Thanks for the offer. Ill rather start from...

    Thanks for the offer. Ill rather start from scratch and use a smaller MCU. The new PIC16F1454 can work without a crystal so that will be 2 caps + 1 crystal less, as well as less legs to solder.
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    Im using RFM01 receiver module > ...

    Im using RFM01 receiver module >

    http://www.hoperf.co.uk/shop/info-RFM01-433-S1-Receiver-Module-433MHz.html

    The incoming signal from the receiver is decoded on the fly by the MCU. Im actually...
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    Just realised this thread is for Portal Media...

    Just realised this thread is for Portal Media stuff. Is he still around? or robby?

    Ill probably create a new thread for this hack instead.
  7. Replies
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    Yup, its very doable. I haven't decided on which...

    Yup, its very doable. I haven't decided on which sensor to go for yet. My aim is to build a unit based on common branded sensors readily available on ebay.

    The Schrader TPMS sensor seems like a...
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    You can now buy a set of 4 VDO TPMS sensors for...

    You can now buy a set of 4 VDO TPMS sensors for ford/jaguar/landrover for under 50 on UK ebay. These sensors are easy to hack using programmable ISM receiver costing roughly 5. So far Im able to...
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    A typical packet would look something like this >...

    A typical packet would look something like this >

    Preamble
    Sensor ID
    Tyre pressure
    Tyre temperature
    Flags
    Checksum
  10. Replies
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    A 315Mhz or 433Mhz receiver module would be more...

    A 315Mhz or 433Mhz receiver module would be more suitable for the hack.
  11. Replies
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    For those who want to make their own board. ...

    For those who want to make their own board.

    The T2-L4A-8650C DAB module is available here for 16.79 inc VAT >
    ...
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    Sticky: Im quite surprised they are selling this unit...

    Im quite surprised they are selling this unit using a 433MHz radio. Maybe because the original design was based on a TPMS kit sold in the UK (supplied by Enforcer I think).
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    Sticky: Seeing that this thread have not been updated for...

    Seeing that this thread have not been updated for a while I guess its not moving forward any soon. Anyway bluetooth TPMS for iphone/android hardware kits have been around, available in external or...
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    I agree, interference can be the cause. I was...

    I agree, interference can be the cause. I was once playing with a homebrew plasma ignition / CDI for a single cylinder engine using a non res plug. The ECU is a pic micro and each time I revved it up...
  15. How did it goes? any luck?

    How did it goes? any luck?
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    Anyone tried to adapt this with electromagnetic...

    Anyone tried to adapt this with electromagnetic parking sensors? and what are the results? I got one right here but haven't had a chance to hack it yet.
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    OK thanks, will wait for your report. I have seen...

    OK thanks, will wait for your report. I have seen someone made a dual Silab USB FM tuner a while back but Im not sure what the end result was.

    If the improvement is significant I may go through...
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    Sounds good, is the digital power amp closed or...

    Sounds good, is the digital power amp closed or open loop? with thermal/short circuit protection...

    I have something in mind but its no where as complex as what you have there, ie it is meant for...
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    Did I read somewhere that you were gonna go...

    Did I read somewhere that you were gonna go digital all the way until it hit the speakers? or did you change the design?
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    Nice How effective is it in real life testing?...

    Nice

    How effective is it in real life testing? and which antenna are you using?
  21. Sound interesting let us know how it goes For...

    Sound interesting let us know how it goes

    For anyone interested Windows Vista and above support microphone array and the driver does all the cool stuff. I haven't found a mic that is compatible...
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    A quick image google and I found a similar switch...

    A quick image google and I found a similar switch to yours which is another clue
    ...
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    Did you say you applied +12V to TERMINAL 1 and...

    Did you say you applied +12V to TERMINAL 1 and GND to TERMINAL 2? and you where getting 12V across it when you press the button?

    Assuming its a weak supply or has some sort of protection it...
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    dabp-fm-sermmi.ref.ven7_V4.1.14.32300-1

    dabp-fm-sermmi.ref.ven7_V4.1.14.32300-1
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    I think it is time for an official statement from...

    I think it is time for an official statement from developer if this project is dead or not. Technology move so fast and a project like this cannot take forever. Given that there is no demo to this...
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