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Author Topic: DIY G25/27 Hydraulic brake PCB question.  (Read 29565 times)

kikie

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DIY G25/27 Hydraulic brake PCB question.
« on: April 30, 2011, 07:04:51 am »
Cristiano

Isn't it possible to develop a PCB which converts a pressure from a load cell or a load sensor, (similar thing used in the APelectrix or the Perfect Pedal) to a signal that can be recognised by the electronics of the G25/27 steering wheel?

The potmeters of a G25/27 pedal is 10K linear but the pressure from a load sensor is different.

First photo is the PCB that converts the pressure signal into a signal similar as the 10K potmeter of G25/27 pedals.
Second photo is the pressure sensor. I heard that this type of sensor isn't strong enough to widstand pressure for a long time, but there are other pressure sensors or load cells that will do the the same and is much stronger. Not a USB PCB but a PCB that you can connect directly to the wires originally coming from the pedal's potmeter.

Leo Bodnar has a Load Cell USB interface but this doesn't work when the G25/27 is connected to the PS3.
« Last Edit: April 30, 2011, 07:26:37 am by kikie »
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Cristiano

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Re: DIY G25/27 Hydraulic brake PCB question.
« Reply #1 on: May 02, 2011, 11:17:53 am »
Hello.
Sorry I am afraid I don't know those devices well enough to build what you need.

C.
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pholt

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Re: DIY G25/27 Hydraulic brake PCB question.
« Reply #2 on: May 03, 2011, 02:43:39 am »
Leo has the device you need here:
http://www.leobodnar.com/products/LC-amp/
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kikie

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Re: DIY G25/27 Hydraulic brake PCB question.
« Reply #3 on: May 03, 2011, 04:13:49 pm »
Quote from: pholt on May 03, 2011, 02:43:39 am
Leo has the device you need here:
http://www.leobodnar.com/products/LC-amp/

I know. I talked about it in my first post. ==> last sentence. Leo's Load Cell thing is not compatible with the PS3.

I would like to get the APelectrix or the more expensive Perfect Pedal but it's from the US and that means that I need to pay at least 30% more on top of the official price (taxes and stuff). I'm not willing to pay that much money for a pedal upgrade.
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Mortos

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Re: DIY G25/27 Hydraulic brake PCB question.
« Reply #4 on: May 03, 2011, 07:52:30 pm »
You should try clicking that link..

Leo Bodnar has both a standalone USB load cell board and a load cell amplifier that converts load cell to potmeter output.

If you use the board pholt linked to, you should be able to wire it to the brake's original potmeter connections. This makes it compatible with any console that supports the G25/G27.
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kikie

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Re: DIY G25/27 Hydraulic brake PCB question.
« Reply #5 on: May 04, 2011, 03:40:41 am »
Yes, I know about this (the LC-amp). I read all about it last year and it is not what I'm looking for (AFAIK but I could be wrong). I have known about Leo Bodnar when betainnovation was still in business. I even tried for the last 2 years to become a member of his forum and I never received any emails that my account was excepted. So I'm not very keen on getting something from Leo Bodnar.

BTW the LC-amp is sold out.
« Last Edit: May 04, 2011, 04:11:55 am by kikie »
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kikie

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Re: DIY G25/27 Hydraulic brake PCB question.
« Reply #6 on: May 04, 2011, 08:42:59 am »
I just found an old post of mine on nogripracing. I forgot all about it. I don't know why I didn't get the LC-amp then as it seems that is might be the thing I was looking for.

http://www.nogripracing.com/forum/showthread.php?t=204599

post #23.
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