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Messages - jamie

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1
Omega Electrical and Audio Help / Re: Boot Lock Unit FOC
« on: 01 April 2007, 17:26:30 »
Just pm/email your delivery address and it will be on its way.

2
Omega Electrical and Audio Help / Boot Lock Unit FOC
« on: 01 April 2007, 15:50:08 »
Hi Guys

I have one unit complete working and cased, as I built 2 prototypes,
http://www.iecd.co.uk/ScratchPad/Projects/


Its FOC to someone with electronics knowledge and preferably someone who is an asset to this amazing forum.  As I have had loads of helpful advise from this place.

Source code is supplied, and hopefully someone has time to tie the design into the locking for lock on go.


3
Omega Electrical and Audio Help / Re: Exchange CCR2006 Head Unit
« on: 22 February 2007, 20:38:10 »

[/quote]

The ouput is already balanced (thre bridge amps), it just needs potting down to line levels....Transformers are to pricey and restrictive on the audio range....
[/quote]


Yes, but you have to use cool looking gold plated resistors in neon colours with water cooling to hold the tolerances,  :) :)  From an electronic design perspective you are of course completely correct.


Speakers in a tin box, then add mp3 formating to further reduce the original quality, but have loads of artificially boosted bass, way way beyond the original source, then throw in an internal combustion engine and  inherent resonance..... 90% of car "hifi" aftermarket hype/sales claims don't stand up, its a major rip off.


4
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 15 February 2007, 10:36:28 »
Yep, it should be fine, but I wasn't 100% on it, thinking the system may for some unknown reason , expect to see a change on the ign line.  

In fact from memory I think the TIS bulletin from years back, may have advocated a similar approach in removing the ign sense.

5
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 14 February 2007, 11:25:44 »
Kind of puts my "cut red wire"

Hi Hillper

Does your anti theft system still work correctly, with the ignition sense removed form the locking/anti theft interface?  I designed the system to always default  the wiring to the original oem implementation when ignition is off.

(I do remember a Vauxhall TIS bulletin some years ago (last time I had an Omega), and some reference was made to how service Dept's could  defeat the boot system if customers complained, but I cant remember what the method was).

6
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 13 February 2007, 15:34:58 »
I have got fed up awaiting the enclosure to arrive, so I have tried it out today without a box.

All works fine, can open boot only at standstill, and you can program all the aux speed outputs via holding the boot button in at ignition turn on and then pressing consecutively at each desired speed.

I will post a URL when the enclosure arrives with a full write up.

I ordered 5 blank PCBs as 5 cost the same as 1, (its how the PCB house work out a square decimeter of board).

If any one wants one, I will pass them on under cost at £10.00 each (this is for the blank PCB)
Admin, please delete if this is inappropriate.

7
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 11 February 2007, 16:29:56 »
I have had some time this afternoon, so have completed populating, programing and testing the board.  I have also put in all the wiring required, terminating in an automotive connector, similar to the style used within the Omega. (Amp).  LEDs in picture are just for testing, and are not fitted normally.

http://www.iecd.co.uk/ScratchPad/Projects/11-02-07_1612.jpg

http://www.iecd.co.uk/ScratchPad/Projects/11-02-07_1554.jpg

I am awaiting delivery on the abs enclosure for the board, should arrive in the next couple of days.  (I designed the board to fit the specific box, and guess what it was out of stock)

I have written the software so that, it allows you to open the boot via the dash button when the car is at rest and ignition is on (or off), also for future add ons the 6 speed set points can be set up:

PROGRAM MODE

Press the Boot Unlock button on the dash within 2 seconds of turning on ignition, boot will not open and unit goes into Program mode and beeps at you.

Drive to desired speed for Set Point 1, press boot unlock button (boot does not unlock :) unit beeps, drive to next speed for set point 2, press boot unlock unit beeps twice and so on for all 6 settings.

I was thinking about driving 6 LEDs behind the speedo, so they illuminate at different speeds.  Other uses are a Lock doors on go, Speed warning signal etc.

8
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 08 February 2007, 22:57:08 »
Blank PCBs arrived last week http://www.iecd.co.uk/ScratchPad/Projects/08-02-07_2251.jpg , I have written the code so hope to try out this weekend, if I can get some time away from paying jobs.

9
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 23 January 2007, 19:03:26 »

PCB layouts (non scale exports from gerbers)  at http://www.iecd.co.uk/ScratchPad/Projects/

Showing top with silk screen and bottom.

They are about +300%.size.


PCB past EMC sim, so should go to pcb house Friday.

Jamie

10
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 23 January 2007, 12:15:26 »
Hi

Yep, the aux o/p are just open collector outputs, designed to connect to external automotive relays.  So are fine with bipolar ULN and without pull ups.


 "Inputs are diode protected against going below -0.6V (approx) but, not against going above VDD"

uproc contains internal bipolar clamping diodes for this, the current limited via the external resistors.  The external BZA462 only really protects against serious misuse/incorrect connections on the inputs.


 "For layout, follow the LM2671"
LOL  Yep, don't tell me about it. :)  

This particular basic PIC has an internal CR oscillator option, no good for timing critical but for this no problem, as using internal hardware counter.

Thanks for your comments, if you think its worth adding any functions or you would like fet's for some other purpose let me know, as I wont be sending the gerbers to the pcb house until tomorrow.

Cheers

Jamie

11
Omega Electrical and Audio Help / Re: Boot Lock at standstill
« on: 23 January 2007, 11:52:13 »
Hi

When the car is at 0mph you can press the original boot button and the boot will unlock with the engine running.  (It has a few other optinal features such as an audible chime and some user set outputs, if you want to switch things on/off etc at different car speeds).

It needs a couple of wires.


1. Conector X8 PIN 40 Speed Sig


Break into
2. K37 Central Locking Unit X62 PIN 3 IGN12V
3. And Back Out

4. GND

5. Also X61 Pin 3 if you want chime when you press button and some programmable functions.

So minimum 4 Wires, 3 of them form the Central Locking unit Connector, driver’s side and 1 from X8 passenger side (rhd).

Cheers

12
Omega Electrical and Audio Help / Boot Lock at standstill
« on: 22 January 2007, 22:39:17 »
I have completed some prototype trials for a modification I have designed for  boot popping when stationary.

Will be having some ds, th professional blank PCBs run off in the near future.


UNTESTED initial schematics are at http://www.iecd.co.uk/ScratchPad/Projects/Lock.TIF

Jamie

13
Omega Electrical and Audio Help / Re: Car Kit/Tm lead
« on: 14 February 2007, 16:10:29 »
Thanks for that, all clear now.

 I can now fit the Parrot MK600 hands free with mp3 over bluetooth, and keep the not always so useful Traffic Master.

Thanks

14
Omega Electrical and Audio Help / Car Kit/Tm lead
« on: 14 February 2007, 11:29:40 »
Hi

Does anybody know details of the required adapter harness, to allow mobile phone car kit (mute/ audio) to connect to the oem car kit connector, AND allow the existing Traffic master to remain connected.

It would be much easier if I can buy a ready made one.

15
Omega General Help / Re: Getting the grime off my engine
« on: 14 March 2007, 20:29:52 »
Jet wash, steam wash are all very bad ideas for the engine bay.  They cause damage that might not be immediately detectable.  

Paraffin is cheaper and more effective than gunk, will not damage any rubber or plastic.  It can be brushed on with a stiff brush until the crap dissolves.  Put some old news papers under the engine bay. Spend and hour or so with 2.5L of paraffin and your brush.  

If you use any gunk, chemical cleaners or solvents including paraffin, you will need to re protect any paint work you clean.  Waxoyl can be used but doesn't look nice, Comma or some manufacturer does a lighter type product in aerosol format.  

You can then use a silicon water born product to coat everything, to give a shiny finish.

But dont Karcher your engine!  

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