home made fault code reader, how to make one
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Re: home made fault code reader, how to make one
yea no wories mate, i got shed loads of it i'll throw a strip in for ya
pm me you address ( one where someone will be in as needs a signature) and i'll get it sent out to you on tuesday so you'll get it wednesday...
pm me you address ( one where someone will be in as needs a signature) and i'll get it sent out to you on tuesday so you'll get it wednesday...
- AW0L
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Re: home made fault code reader, how to make one
pm'ing ya now mate
- jayrs
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Re: home made fault code reader, how to make one
Don't short the back light to supply, you need to insert a current limiting resistor (or modulate the brightness through a transistor and pwm) or it will go pop.
Talking to a lambda probe isn't too hard, but reading from a modern wb probe realistically requires a support ic (IMHO not worth reverse engineering it) as there are other functions including calibration to deal with.
Sent from my HTC One X using Tapatalk 2
Talking to a lambda probe isn't too hard, but reading from a modern wb probe realistically requires a support ic (IMHO not worth reverse engineering it) as there are other functions including calibration to deal with.
Sent from my HTC One X using Tapatalk 2
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Re: home made fault code reader, how to make one
the back light will be via a resistor mate, theres one installed on the board for contrast, so i'll prob spur off from that
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Re: home made fault code reader, how to make one
You should add one; there's a reason brightness and contrast are connected seperately. You will also need to consider the impact of increased current consumption too, the backlight will significantly increase that, which would have an impact on the the regulator (heat dissipation for one) and battery life.
Personally I'd use something like this with a 100r range. Connect positive leg to one side and the feed to the anode on the backlight to the middle leg. Twist the pot all the way to one side, away from the leg you connected to then power on and wind it back until you're happy with the backlight. Not all LCDs are created equal so what suits one may not suit another.
I'd also consider replacing or adding a dc jack (mono headphone jack works just fine and easy to mount to the plastic) to the box, to replace the pp3 connection. If you have power in the car to power the ecu and diagnostics, you may as well use it to power the tool. I think that's what I was getting at at one point ages ago, probably tired, stressed or pissed when I originally posted tbh.
Personally I'd use something like this with a 100r range. Connect positive leg to one side and the feed to the anode on the backlight to the middle leg. Twist the pot all the way to one side, away from the leg you connected to then power on and wind it back until you're happy with the backlight. Not all LCDs are created equal so what suits one may not suit another.
I'd also consider replacing or adding a dc jack (mono headphone jack works just fine and easy to mount to the plastic) to the box, to replace the pp3 connection. If you have power in the car to power the ecu and diagnostics, you may as well use it to power the tool. I think that's what I was getting at at one point ages ago, probably tired, stressed or pissed when I originally posted tbh.
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- andymac
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Re: home made fault code reader, how to make one
true, i might add one then, just checked maplin stock on the island, none...
as for the dc jack, i wont bother mate, for what little use it will have ill keep it battery powered, i might even take the pp3 connector out as i dont think ill ever use it, or maybe ill box mount it like awol has
as for the dc jack, i wont bother mate, for what little use it will have ill keep it battery powered, i might even take the pp3 connector out as i dont think ill ever use it, or maybe ill box mount it like awol has
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Re: home made fault code reader, how to make one
jayrs wrote:true, i might add one then, just checked maplin stock on the island, none...
as for the dc jack, i wont bother mate, for what little use it will have ill keep it battery powered, i might even take the pp3 connector out as i dont think ill ever use it, or maybe ill box mount it like awol has
PM me a postal address Jay, I think I got some in the study.
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Re: home made fault code reader, how to make one
the biggest problems i have with these if getting the 3 pin plugs... all scrap yards around here are well strict and don't allow you to walk around anymore, some BS about health and safety...
any one know where i can get the triangle plugs new???
any one know where i can get the triangle plugs new???
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Re: home made fault code reader, how to make one
there is a site, but i cant think of its name
next time im at the scrappy i'll see if i can get a few of them
next time im at the scrappy i'll see if i can get a few of them
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Re: home made fault code reader, how to make one
good man!!!
- AW0L
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Re: home made fault code reader, how to make one
well, i put a new battery in mine today and just had blocks across the screen, it done this years ago too.
i did send it to the guy that designed it and he said the chip was fine but the screen could be iffy
tried new screen few mins ago (soldering iron still cooling down ), still blocks across it, minds fcuked, thats the end of that then
i did send it to the guy that designed it and he said the chip was fine but the screen could be iffy
tried new screen few mins ago (soldering iron still cooling down ), still blocks across it, minds fcuked, thats the end of that then
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Re: home made fault code reader, how to make one
ahh that sucks mate
just a thought... try changing the voltage regulator...
just a thought... try changing the voltage regulator...
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Re: home made fault code reader, how to make one
might do if maplins have one, but tbh mate i think the chip is dead
- jayrs
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Re: home made fault code reader, how to make one
might have burnt out being on for long period!!!
you could send it to me mate and i'll try the chip in my mk2 reader lol
lol maplins have stock?? yea that will be a first lol
you could send it to me mate and i'll try the chip in my mk2 reader lol
lol maplins have stock?? yea that will be a first lol
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Re: home made fault code reader, how to make one
thats true, it did get turned on and i didnt find it untill, well fcuk knows when, the battery was well dead
this is all i get
i didnt solder it on, it sort of sat on fairly tight, enough to all to make a connection (i tested it) and i thought, fcuk it, i aint soldering it on, wrecked the old screen getting it out, not happy really, wasted a screen
this is all i get
i didnt solder it on, it sort of sat on fairly tight, enough to all to make a connection (i tested it) and i thought, fcuk it, i aint soldering it on, wrecked the old screen getting it out, not happy really, wasted a screen
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Re: home made fault code reader, how to make one
i might send it mate, i did think about asking about trying a different chip to see if it was that
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Re: home made fault code reader, how to make one
not fully soldered might be why you only get half the screen...
iirc i got the squares on mine when i first built mine before i got the chip so it could be the chip...
iirc i got the squares on mine when i first built mine before i got the chip so it could be the chip...
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Re: home made fault code reader, how to make one
its deffo not that mate, the old screen done the same before i removed it.
wouldnt be no good me sending you the complete fcr, as the screen aint on it, i could send you the chip though.
maplins web site is crap, the part number for that voltage regulator dont even work anymore
how much you reckon parts would be if i ordered them from rs to build a new board?
no screen, case, led's, switches etc needed, but all the other little bits on the board? might be easier just to build a new board
wouldnt be no good me sending you the complete fcr, as the screen aint on it, i could send you the chip though.
maplins web site is crap, the part number for that voltage regulator dont even work anymore
how much you reckon parts would be if i ordered them from rs to build a new board?
no screen, case, led's, switches etc needed, but all the other little bits on the board? might be easier just to build a new board
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Re: home made fault code reader, how to make one
i'll work it out mate and set up the first kit form for ya :)
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Re: home made fault code reader, how to make one
nice one mate.
its only a thought at the mo, i might cut my losses and not bother fixing it yet
its only a thought at the mo, i might cut my losses and not bother fixing it yet
- jayrs
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Re: home made fault code reader, how to make one
lol could just buy my mk2 when i finish it lol
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Re: home made fault code reader, how to make one
before my discount and because most of it are multiple packs the cost on the site for all the bits minus the 9 way socket comes in at £64.39 + VAT :S
but in the kit forms i will price acording to individual costs... so would work out a lot cheaper, and the strip board would get me 4 boards
but in the kit forms i will price acording to individual costs... so would work out a lot cheaper, and the strip board would get me 4 boards
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Re: home made fault code reader, how to make one
damn thats a lot
wouldnt be looking to buy another tbh mate, if i cant get mine working i wont bother with it anymore, ive done this long without one
wouldnt be looking to buy another tbh mate, if i cant get mine working i wont bother with it anymore, ive done this long without one
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Re: home made fault code reader, how to make one
lol fair enough... could always lend you mine if it comes to it..., but send me your chip and i'll test it in mine then you will know for sure
kits work out at £55 (inc. £12 for the chip from Graham) in parts before my SD and doesnt include the wires as will be such small lengths so will be FOC and wont include the 3 pin plug as they are a pain to find lol
kits work out at £55 (inc. £12 for the chip from Graham) in parts before my SD and doesnt include the wires as will be such small lengths so will be FOC and wont include the 3 pin plug as they are a pain to find lol
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Re: home made fault code reader, how to make one
to bring this back from the depths, the owner of the chips has changed his web address it is now
http://homepage.ntlworld.com/a.harby2/ggpfcrpg.html
http://homepage.ntlworld.com/a.harby2/ggpfcrpg.html
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Re: home made fault code reader, how to make one
nice one dude ive changed it on the first page
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Re: home made fault code reader, how to make one
:) nice one
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Re: home made fault code reader, how to make one
here is my mk2 version of the FCR, not completed yet but switches are wired.
still got a few bits to work out, i am planning to fit a URT - USB adaptor to upgrade the serial coms link
still got a few bits to work out, i am planning to fit a URT - USB adaptor to upgrade the serial coms link
Last edited by AW0L on Wed Feb 20, 2013 6:19 pm, edited 1 time in total.
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Re: home made fault code reader, how to make one
Nice mate
The code is off to stop pics in here or some thing, I've altered it though to display the pic
Still ain't got mine working since it broke, I still reckon the chips gone
The code is off to stop pics in here or some thing, I've altered it though to display the pic
Still ain't got mine working since it broke, I still reckon the chips gone
- jayrs
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Re: home made fault code reader, how to make one
[quote="jayrs"]Nice mate
The code is off to stop pics in here or some thing, I've altered it though to display the pic
Still ain't got mine working since it broke, I still reckon the chips gone[/quote]
do you wanna send it to me mate and i'll test everything on it for ya????
i was talking about this in another thread and its made me want to work on it again, i have removed the ABS part of the circuit as i'm not gonna use it and my mk1 has it so i have it if i do need it lol
The code is off to stop pics in here or some thing, I've altered it though to display the pic
Still ain't got mine working since it broke, I still reckon the chips gone[/quote]
do you wanna send it to me mate and i'll test everything on it for ya????
i was talking about this in another thread and its made me want to work on it again, i have removed the ABS part of the circuit as i'm not gonna use it and my mk1 has it so i have it if i do need it lol
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Re: home made fault code reader, how to make one
Yeah can mate but the screens not soldered on though
- jayrs
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Re: home made fault code reader, how to make one
no worries mate, send me the whole thing and i'll see what i can do with it will pm you my address to send to
oh yea, my pics gone again too lol
oh yea, my pics gone again too lol
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Re: home made fault code reader, how to make one
Ok mate nice one when I get a chance to dig it out I will get it sent mate but up to my eyes in stuff at the mo
Did you edit the post at all with the pics?
Did you edit the post at all with the pics?
- jayrs
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Re: home made fault code reader, how to make one
I activated it again mate
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Re: home made fault code reader, how to make one
nice one mate, no rush, i corrected a spelling error on the post lol
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156 posts • Page 4 of 5 • 1, 2, 3, 4, 5
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