2009.04.25, 02:44 PM
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#46
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Registered User
Join Date: Mar 2006
Location: Kuala Lumpur, Malaysia
Posts: 659
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Quote:
Originally Posted by LED
Ub02... did you download the manual on the same link I gave earlier ?
Read the bit about how to check wich com port you should use.
If that doesnt help then I suppose its the usb- serial convertor holding you back.
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yep, i did check which comm port assigned but still no luck...do i need to set the ports setting?
Bits Persecond
Data bits
Parity
stop bits
flow control
__________________
Mini-Z AWD 2.4Ghz 94mm
Mini-Z AWD DWS PN A-Arm 2.4Ghz MR03 board 98mm
Mini-Z MR-02 2.4Ghz
Mini-Z MR-03
FX-101 Dnano 360 Modena
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2009.05.11, 06:03 PM
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#47
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Registered User
Join Date: Apr 2009
Posts: 38
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hm.. i'm having similar problem, built the cable but can't read back values and no idea if anything i've written has taken effect...
Looking at the circuit however, how does it generate the +/-12V signal levels for the RS232 serial port for read back?
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2009.06.16, 06:20 PM
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#48
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Painter Guy
Join Date: Sep 2007
Location: NY
Posts: 357
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been working on this with no luck, 1st issue is I could only get 47k resistors, is this too much in place of the 39k?
2nd, I built the circuit wrong once and don't have a meter to test the transistors, could I have blown them easily? I bought the last 2 they had, I'll check another store for more.
Is there a simpler version of this if I don't mind using batteries in the car, I just want to connect to 2.4 via regular serial, no USB interface.
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2009.06.16, 11:27 PM
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#49
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Registered User
Join Date: Jun 2002
Location: Redwood City, CA
Posts: 562
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Look for a maker's mark on your transistors if you don't know what they are. Go to the company's website and look for the data sheet. Be SURE you know which legs are base, collector and emitter. The transistors I used had the base and collector reversed from the physical positions shown in Dabinn's freehand drawing (page 1), so be sure you've got that right. Check the polarity of the diode; a heavy black line on the piece matches the line on the schematic. Check continuity everywhere (and check for shorts). Check resistances. I don't know whether 47K will work in the circuit; I used 39K, but had to combine two resistors in series to do it.
Procedure I follow is this:
1) Make sure you've got a computer with a working COM port and you know what port number it is. Put batteries in the car.
2) Start the program and set the appropriate COM port.
3) Plug the connector into the car's ICS port, push the pairing button and turn the car on while holding it.
The LED will turn bright red. Release the pairing button. If the light turns dim, you've got a comunication or wiring problem. If the light stays bright after releasing the pairing button, you're good to go (you will not need to repair with your TX after this).
Try changing a value and click the 'program' button. Click 'Reset' and the displayed values return to the defaults. Click 'Read'. If the changed value you programmed initially is read back and displayed, things are as they should be.
This is with V1.02 of the ICS Manager program.
I finished putting this together last night using two Fairchild 2N3904's for the transistors and it worked a treat. Kicking up the punch and reducing the dead zone worked great for reducing wander on my AWD. Thanks for the info Dabinn; you rock!
ianc
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2009.06.17, 07:21 AM
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#50
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Painter Guy
Join Date: Sep 2007
Location: NY
Posts: 357
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I used the fairchild's pin out for the transistor radioshack sells, but I have no idea if they are actually fairchild or not. I am going to pick up a breadboard so I can lay this out neater, then I can post a pic so maybe someone can see what I have wrong.
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2009.06.19, 07:54 AM
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#51
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Painter Guy
Join Date: Sep 2007
Location: NY
Posts: 357
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I've gotten the circuit to at least bind now, but still no communication, I got new transistors because they were backwards, and I put a new diode in in case I blew it. Voltage does not get past the transistors.
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2009.06.19, 09:38 AM
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#52
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Registered User
Join Date: Jun 2002
Location: Redwood City, CA
Posts: 562
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Are you quite certain you've got the Base, Collector and Emitter legs correctlyl positioned in the circuit according to the schematic on page one? Diode polarity correct? Use your VOM to test continuity and resistance in all legs of the circuit. If everything seems to check out, then those 47K resistances you're using may be the culprit...
ianc
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2009.10.19, 05:04 AM
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#53
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Registered User
Join Date: Aug 2009
Location: West Midlands, UK.
Posts: 414
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Is anyone willing to sell one that they have made? I don't have any soldering expertise and so i would probably break something!
It would be for a 2,4Ghz AWD, so i can buy the 2.4Ghz cable seperately, just need the main one!
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2009.10.19, 05:44 AM
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#54
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Registered User
Join Date: Mar 2006
Location: Kuala Lumpur, Malaysia
Posts: 659
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Quote:
Originally Posted by addicted
Is anyone willing to sell one that they have made? I don't have any soldering expertise and so i would probably break something!
It would be for a 2,4Ghz AWD, so i can buy the 2.4Ghz cable seperately, just need the main one!
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check ur pm
__________________
Mini-Z AWD 2.4Ghz 94mm
Mini-Z AWD DWS PN A-Arm 2.4Ghz MR03 board 98mm
Mini-Z MR-02 2.4Ghz
Mini-Z MR-03
FX-101 Dnano 360 Modena
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2009.11.24, 11:07 AM
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#55
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Slip Angle Chaser
Join Date: Sep 2007
Location: Millstone, NJ
Posts: 1,880
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Is there a way to re-program the handheld 2.4ghz ICS system to run the MR03?
__________________
Philip Vincent
"Nearly all men can stand adversity, but if you want to test a man's character, give him power." - Abraham Lincoln
Link to my Videos http://www.youtube.com/SlipAngleChaser
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2009.12.16, 12:45 AM
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#56
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Registered User
Join Date: Mar 2006
Location: Kuala Lumpur, Malaysia
Posts: 659
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hello,
I have few units available if anyone interested to buy em.
http://mini-zracer.com/forums/showthread.php?t=33296
Thanks.
__________________
Mini-Z AWD 2.4Ghz 94mm
Mini-Z AWD DWS PN A-Arm 2.4Ghz MR03 board 98mm
Mini-Z MR-02 2.4Ghz
Mini-Z MR-03
FX-101 Dnano 360 Modena
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2009.12.23, 01:37 PM
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#57
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Registered User
Join Date: Jun 2008
Posts: 184
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iv had no problems with the cable on a 232 port so i decided to get a usb adapter and try it on my vista enabled laptop
great news is it works
if you are having problems i can only think your adapter didnt come with a driver disk
i carnt work out how to post the drivers but if any of you want to give them a go PM me your email and i will send em you
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2009.12.23, 07:08 PM
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#58
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Registered User
Join Date: Mar 2006
Location: Kuala Lumpur, Malaysia
Posts: 659
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Quote:
Originally Posted by reaper
iv had no problems with the cable on a 232 port so i decided to get a usb adapter and try it on my vista enabled laptop
great news is it works
if you are having problems i can only think your adapter didnt come with a driver disk
i carnt work out how to post the drivers but if any of you want to give them a go PM me your email and i will send em you
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u can start with me
__________________
Mini-Z AWD 2.4Ghz 94mm
Mini-Z AWD DWS PN A-Arm 2.4Ghz MR03 board 98mm
Mini-Z MR-02 2.4Ghz
Mini-Z MR-03
FX-101 Dnano 360 Modena
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2009.12.23, 07:31 PM
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#59
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Registered User
Join Date: Jun 2008
Posts: 184
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nota a problem buddy just send me your email
KRYTEN is going to try and get a link set-up as he has some account that lets him and i dont lol
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2009.12.23, 08:35 PM
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#60
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Registered User
Join Date: Mar 2006
Location: Kuala Lumpur, Malaysia
Posts: 659
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Quote:
Originally Posted by reaper
nota a problem buddy just send me your email
KRYTEN is going to try and get a link set-up as he has some account that lets him and i dont lol
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ub0211042@gmail.com
__________________
Mini-Z AWD 2.4Ghz 94mm
Mini-Z AWD DWS PN A-Arm 2.4Ghz MR03 board 98mm
Mini-Z MR-02 2.4Ghz
Mini-Z MR-03
FX-101 Dnano 360 Modena
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