FreeEMS Hardware Dev

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DIY HW
All home-built FreeEMS implementations without a forum of their own, usually TA-based.
Topics: 40

40 Topics

1066 Posts

Last post Re: noname build
by Fred View the latest post
Mon Apr 03, 2017 3:42 am
Jaguar
Andy's GM DIS centric hardware design! Also works as a fuel controller for EDIS and distributor applications.
Topics: 72

72 Topics

1488 Posts

Last post Re: Jaguar 0.8-alpha discussi…
by Fred View the latest post
Wed Jan 10, 2024 8:12 am
Fledgling Designs
A home for new designs that are growing but haven't quite got their legs yet!
Topics: 11

11 Topics

512 Posts

Last post Re: Dan's PNP RB25DET R33 Sky…
by Rbhackn View the latest post
Wed Sep 13, 2017 12:04 pm
Unloved Projects
A home for sadly neglected hardware projects that were, at one time, designed for use with FreeEMS firmware.
Topics: 29

29 Topics

1457 Posts

Last post Re: Puma How-To Released! :-)
by Peter View the latest post
Mon Jul 23, 2012 3:40 am

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148 topics

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Before Starting New Hardware Projects...

Last post by Fred « Thu Sep 12, 2013 8:03 pm
Replies: 2
by Fred » Sun Mar 25, 2012 3:56 am

2 Replies

36870 Views

Last post by Fred
Thu Sep 12, 2013 8:03 pm
Essential FreeEMS HW Development Tasks

Last post by Fred « Thu Sep 12, 2013 3:20 pm
Replies: 9
by Fred » Wed Jul 13, 2011 5:03 pm

9 Replies

53419 Views

Last post by Fred
Thu Sep 12, 2013 3:20 pm

Topics

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Last post

PCB layout - DaveBMW

Last post by Fred « Fri Apr 10, 2009 7:27 pm
Replies: 39
by davebmw » Sat Sep 20, 2008 3:12 pm
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39 Replies

63591 Views

Last post by Fred
Fri Apr 10, 2009 7:27 pm
Controlling the sequential injection.

Last post by oughtsix « Tue Mar 24, 2009 6:29 am
Replies: 2
by oughtsix » Tue Mar 24, 2009 12:37 am

2 Replies

8991 Views

Last post by oughtsix
Tue Mar 24, 2009 6:29 am
FET driver discussion

Last post by jharvey « Tue Mar 24, 2009 3:21 am
Replies: 18
by gearhead » Sun Mar 22, 2009 10:34 pm
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18 Replies

37965 Views

Last post by jharvey
Tue Mar 24, 2009 3:21 am
OPTO-22 solidstate relays for Ignition/Inj drivers?

Last post by jbelanger « Mon Mar 23, 2009 10:12 pm
Replies: 2
by oughtsix » Mon Mar 23, 2009 9:52 pm

2 Replies

8763 Views

Last post by jbelanger
Mon Mar 23, 2009 10:12 pm
AD12DXXYZSM stepper driver board to drv Injects/Ign?

Last post by oughtsix « Mon Mar 23, 2009 5:17 am

by oughtsix » Mon Mar 23, 2009 5:17 am

0 Replies

7268 Views

Last post by oughtsix
Mon Mar 23, 2009 5:17 am
Getting The Hardware comments

Last post by AbeFM « Sun Jan 11, 2009 1:54 am
Replies: 4
by jharvey » Sun Oct 26, 2008 11:09 am

4 Replies

10277 Views

Last post by AbeFM
Sun Jan 11, 2009 1:54 am
Pin out research thread - comments

Last post by davebmw « Tue Dec 23, 2008 12:45 am
Replies: 17
by Fred » Sun Nov 23, 2008 11:01 pm
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17 Replies

30545 Views

Last post by davebmw
Tue Dec 23, 2008 12:45 am
Injector Timing Alarm???

Last post by Fred « Thu Dec 04, 2008 2:49 pm
Replies: 2
by Kyrasis6 » Thu Dec 04, 2008 1:46 am

2 Replies

8329 Views

Last post by Fred
Thu Dec 04, 2008 2:49 pm
DIY CPU PCB (Adapt board from scratch)

Last post by davebmw « Tue Dec 02, 2008 8:25 pm
Replies: 1
by Creat0r » Tue Dec 02, 2008 8:07 pm

1 Replies

7786 Views

Last post by davebmw
Tue Dec 02, 2008 8:25 pm
Why 16BIT? Why Not 32BIT?

Last post by GrowlingandBiffo « Wed Oct 29, 2008 10:05 am
Replies: 22
by 26chevute » Thu Mar 06, 2008 2:08 am
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22 Replies

48872 Views

Last post by GrowlingandBiffo
Wed Oct 29, 2008 10:05 am
Knock sensing, whats the crack with that then??

Last post by Fred « Sat Oct 18, 2008 9:36 am
Replies: 3
by davebmw » Sat Oct 18, 2008 12:40 am

3 Replies

10198 Views

Last post by Fred
Sat Oct 18, 2008 9:36 am
DIY Etching pre-alpha

Last post by jharvey « Wed Oct 15, 2008 2:28 am
Replies: 12
by comrade904 » Fri Sep 26, 2008 5:09 am
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12 Replies

25681 Views

Last post by jharvey
Wed Oct 15, 2008 2:28 am
Hardware vision / general plan

Last post by Fred « Tue Oct 14, 2008 8:33 pm
Replies: 9
by jharvey » Mon Aug 25, 2008 2:26 am

9 Replies

16777 Views

Last post by Fred
Tue Oct 14, 2008 8:33 pm
Potential Bulk Buy for FreeEMS first edition PCB

Last post by jharvey « Mon Sep 29, 2008 10:23 am
Replies: 32
by Fred » Fri Aug 22, 2008 10:45 pm
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32 Replies

59987 Views

Last post by jharvey
Mon Sep 29, 2008 10:23 am
High Current Output drivers

Last post by jharvey « Wed Sep 24, 2008 10:50 am
Replies: 3
by gearhead » Tue Sep 23, 2008 2:33 pm

3 Replies

11244 Views

Last post by jharvey
Wed Sep 24, 2008 10:50 am
Power control of the EMS system

Last post by Fred « Thu Aug 28, 2008 8:21 am
Replies: 68
by Fred » Wed Aug 06, 2008 9:10 pm
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68 Replies

101133 Views

Last post by Fred
Thu Aug 28, 2008 8:21 am
Trigger decoding, a few thoughts...

Last post by davebmw « Wed Aug 27, 2008 9:10 am
Replies: 10
by turbotuner » Sun Apr 13, 2008 1:39 pm
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10 Replies

24661 Views

Last post by davebmw
Wed Aug 27, 2008 9:10 am
Op-Amp buffered "hall" type sensor inputs

Last post by Costa « Wed Aug 27, 2008 8:29 am
Replies: 27
by AbeFM » Mon Aug 25, 2008 12:20 am
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27 Replies

53823 Views

Last post by Costa
Wed Aug 27, 2008 8:29 am
Injector IGBT alternative/options

Last post by Fred « Fri Aug 22, 2008 11:57 pm
Replies: 1
by davebmw » Fri Aug 22, 2008 11:33 pm

1 Replies

8695 Views

Last post by Fred
Fri Aug 22, 2008 11:57 pm
OEM ECU for test mule purchased :-)

Last post by Fred « Thu Aug 21, 2008 6:19 pm
Replies: 8
by Fred » Wed Aug 13, 2008 8:59 pm

8 Replies

17895 Views

Last post by Fred
Thu Aug 21, 2008 6:19 pm
Enclosure for freeEMS

Last post by GrowlingandBiffo « Thu Aug 21, 2008 6:00 pm
Replies: 22
by ababkin » Tue Mar 11, 2008 11:07 pm
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22 Replies

48208 Views

Last post by GrowlingandBiffo
Thu Aug 21, 2008 6:00 pm
MAP sensor circuit

Last post by Fred « Mon Aug 18, 2008 8:31 pm
Replies: 22
by jharvey » Mon Jul 28, 2008 2:21 am
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22 Replies

44402 Views

Last post by Fred
Mon Aug 18, 2008 8:31 pm
Reverse Polarity and Over Voltage Protection Design

Last post by jharvey « Sun Aug 17, 2008 2:02 pm
Replies: 33
by Fred » Mon Aug 11, 2008 3:04 am
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33 Replies

2988204 Views

Last post by jharvey
Sun Aug 17, 2008 2:02 pm
Very interesting paper on Knock sensing with some code!!!!

Last post by davebmw « Tue Aug 05, 2008 9:57 pm
Replies: 3
by davebmw » Mon Aug 04, 2008 3:34 pm

3 Replies

12151 Views

Last post by davebmw
Tue Aug 05, 2008 9:57 pm
RPM input schematic

Last post by jharvey « Fri Aug 01, 2008 2:35 am
Replies: 4
by jharvey » Thu Jul 31, 2008 12:52 am

4 Replies

10110 Views

Last post by jharvey
Fri Aug 01, 2008 2:35 am

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