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if $$ weren't an issue, i would have a full-time laptop just for the car so i could permanently display the info!..

jst realised i have a serial connection on my laptop. may as well use nissan datascan as i have that loaded on my laptop

do i need to use the null modem when connecting to my laptop?

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no need for null modem for laptop. good to see uve got a laptop with serial port! btw sorry for not picking up on the normal vs mini xda, should have read more thoroughly.

Edited by NewKleer
  • 2 weeks later...

ive bought a couple cheap pocket pc 2000's off ebay, will see if they work with it, if so i can send one your way for you to try out

Edited by NewKleer

hey mate,

well i have your program working on my laptop now (can't get datascan to work properly...)

its an awesome program

i take my PDA everywhere as its a phone/diary/resource (i use it to store all the resource data i need for uni), so it would be quite handy if i could work it on my pda

...but having a full-time pda in the car would never be something i would do as my car isn't hardcore enough for that..

sadly, i have abandoned the idea :)

we'll ill see if they work well first. if so, u can have one for the cost of postage, and ill only hold you to provide some good feedback/suggestions for future improvements :)

u already have the null modem, all u would need for perm car setup would be to mount it somewhere, and get a car charger adaptor.

i gotta save some face after insisting it should work :)

also would be good to find out how cheap a pda can be gotten to run it. the pda i got is pretty much the lowest spec ive come across (133mhz, 16mb) so it will be interesting.

shouldnt count chickens just yet though, best learn from past failures :(

will let u know when ive got them and whether they work or not.

Edited by NewKleer

Pete that HP548 loaded .net cf and ecutalk successfully. Now I'm waiting on the null modem and sync cable.

So far:

DIY Consult $50

HP548 $90

Null modem $6

Serial Sync $8

We'll be in business by the end of the week for the princely sum of around $160. Giddyup.

got the two jornada 540's today, tested both and they work pretty well suprisingly, given its only 133 mhz cpu.

updates sensors about 1-3 times a second depending how many etc. basically its fast enough to be cool/useful.

pretty happy. they can be picked up for as little as $40 on ebay (http://cgi.ebay.com.au/ws/eBayISAPI.dll?Vi...item=9708012766). the racs_aus or whatever the seller is of that item regularly sells them.

Edited by NewKleer

Why is stuff always cheaper AFTER I've waited patiently and thought I paid a fair price. $40? Bugger.

Peter I'll paypal some money over to you and you can bid on my behalf when I upgrade the 548 :)

btw whereabouts in Western Sydney are you? I'm in Blaxland.

blacktown area.

surprisingly the 540's i got were actually 547's, ie 32mb memory. 547's supposed to be same as 548 except 547 dont have USB cradle, however this even came with a USB cradle :thumbsup:

one had a slightly duller backlight so im shipping it off to warren when he sends me his address :)

this one went for $30:

http://cgi.ebay.com.au/ws/eBayISAPI.dll?Vi...me=STRK:MEWA:IT

Edited by NewKleer

Ok Pete, next task: universal pda cradle/holder/something tidier than glue-on velcro to mount the pda on the dashboard.

Any ideas? I checked around but didn't find much. That said, I'm the guy that looked and looked and then paid twice what you did for a pda! :D

Nice score on the 547, sounds very nice. If it works as nicely like you've mentioned, perhaps I'll keep the HP and leave it in the car.

Good on you for shipping one to warren, there should be more of that in the world :D

something like this?

http://www.pda-mart.com/p/10001140/HP-Jorn...r---B-Type.html

i havent looked in to car mounts at this stage as i dont drive my car enough/long distances to use it

Nice! That's what I'll need to purchase.

I ceased procrastinating today. I pulled the laptop apart, cleaned the heatsink, re-pasted the CPU, loaded .net framework, loaded ECUTalk beta and plugged it all together.

10minutes later I traced the power loss to AFM1. The voltage drops to 0.8V whilst AFM2 is still outputting 2.0V+ :) The car actually stalled at the lights tonight, due to AFM1 dropping out and the ECU didn't catch it in time.

I came home from work half hour ago and played around for a bit, trying to suss out which one was AFM1. I worked it out when I managed to trigger limp-home mode when I pushed hard on one of the AFM plugs.

So, I found AFM1 and it appears it is a connector problem. I thought it might have been a bad/corroded earth - I'll do a little more fault finding over Easter and hopefully clear this up for good.

Pete if you let me know your PayPal email, I have $25 that would have gone to the Datascan people. You offered your program gratus and I appreciate it mate. ;)

  • 1 month later...

Successful operation on HP548. HP ActiveSync -> null modem -> Newkleer DIY interface -> ECU.

I felt that the display was much laggier than I am used to seeing on the P4 laptop. Then I read your PPC 'Known Issues' and I may have selected 6 or 7 bytes of data. That said, when only AFM and AFM(RH) were selected it did not refresh as fast as I would like. Price you pay for a 133MHz PDA :P

Peter the only other issue encountered was that the number of sensors available (R32 GTR) ran off the page and I was unable to scroll down to select.

I am very grateful for the time and effort you've put in to ECUTalk, hats off! Perhaps a nice Ipaq 4700 would do the trick :) I take my PDA everywhere I go so it is much handier than lugging the laptop and having it loose on the passenger seat.

Cheers,

Mark

and the AFM problem was dry joints inside the meter itself.

i dont think the slowness is due to known issue, its just that ppc u have. like on the now second news post on the site, the 548 is pretty much the crappest PDA speed wise u can get that it will 'work' on. the fact it works at all is pretty good - its a pocket pc 2000 (original ppc) which is now like 6-7 years old.

my testing was roughly 1-3 updates a second maybe, which isnt that fast obviously, but since the jornada 548's can be got off ebay for like $30-40, cant be expecting too much.

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