This is a problem we'll have, because of OEM cost's due to relatively new technology and it's yet to be widespread. We will have to work from theory and notes from previous implementations.
It will inevitably be an interesting experiment, but ultimately quite rewarding
Search found 292 matches
- Fri Jan 09, 2009 3:00 pm
- Forum: FreeEMS Hardware Dev
- Topic: Ion Sensing ideas and circuit designs
- Replies: 46
- Views: 69080
- Thu Dec 25, 2008 2:56 am
- Forum: Announcements
- Topic: Merry Christmas from your trusty leader :-)
- Replies: 31
- Views: 113237
Re: Merry Christmas from your trusty leader :-)
And a very merry Christmas and Happy new year to Fred and to all.
Next year will be very exciting indeed, 2009 is the year of Motors running on FreeEMS, Awesome!
Next year will be very exciting indeed, 2009 is the year of Motors running on FreeEMS, Awesome!
- Tue Dec 23, 2008 12:45 am
- Forum: FreeEMS Hardware Dev
- Topic: Pin out research thread - comments
- Replies: 17
- Views: 25843
Re: Pin out research thread - comments
Still reading............
- Mon Dec 22, 2008 11:04 pm
- Forum: FreeEMS Hardware Dev
- Topic: Pin out research thread - comments
- Replies: 17
- Views: 25843
Re: Pin out research thread - comments
I found some interesting bits of info around chapter 22 in the datasheet regarding default levels and the addresses that require setting to disable the pull-up devices on all the ports not just A and S. Here are some highlights copied and pasted from the pdf. This will probably make little sense wit...
- Thu Dec 11, 2008 8:46 pm
- Forum: FreeEMS Hardware Dev
- Topic: Knock sensing ideas and circuit designs
- Replies: 118
- Views: 352638
Re: Knock sensing ideas and circuit designs
The TPIC 8101 and HIP 9011 are an ideal solution if we can get them talking to the XDP chip.
I haven't really looked into it in much depth as it requires a more software biased individual.
I haven't really looked into it in much depth as it requires a more software biased individual.
- Tue Dec 02, 2008 8:25 pm
- Forum: FreeEMS Hardware Dev
- Topic: DIY CPU PCB (Adapt board from scratch)
- Replies: 1
- Views: 6889
Re: DIY CPU PCB (Adapt board from scratch)
Hi, Yes I also got 4 free samples, 2 x 144Pin MC9S12XDP512MAG and 2 x 112Pin MC9S12XDP512MAL. I'm currently routing a development PCB using one of the 112 pin devices to assist in some code testing. The board I am working on to run my BMW M50 engine will eventually use a 144Pin device and the Type B...
- Sat Nov 29, 2008 12:00 pm
- Forum: Lounge
- Topic: DIY EFI GBK
- Replies: 4
- Views: 6586
Re: DIY EFI GBK
F in L! you are a crazed food beast! if I had your appetite, I would have gone into critical mass long ago
- Fri Nov 28, 2008 8:17 pm
- Forum: Non-Free EMS
- Topic: Separating the power and signal grounds on a V3 board
- Replies: 33
- Views: 80666
Re: Separating the power and signal grounds on a V3 board
Find out the real root of my fault. The connection is exactly right. The reason of MS-II frozen is that : I set up. 1 squirt per cycle, 1 cylinder, and then chose Missing Tooth Trigger. The equation on the MS-II code will have problem in calculation. Ahhhh! now I understand. :) So you aren't having...
- Sat Nov 22, 2008 1:12 am
- Forum: FreeEMS Hardware Dev
- Topic: Knock sensing ideas and circuit designs
- Replies: 118
- Views: 352638
Re: Knock sensing ideas and circuit designs
Some of the highlights of the PIC18F4550 32K Flash # of single word instructions 16384 SRAM 2K EEPROM 256 Bytes I/O x 35 10 bit ADC x 13 CCP/ECCP (PWM) x 1/1 SPP x 1 I2C master yes USART x 1 Comparators x 1 8bit Timers x 1 16bit Timers x 3 Universal Serial Bus Features: • USB V2.0 Compliant • Lo...
- Sat Nov 22, 2008 12:24 am
- Forum: Non-Free EMS
- Topic: Separating the power and signal grounds on a V3 board
- Replies: 33
- Views: 80666
Re: Separating the power and signal grounds on a V3 board
The V Ref line is normally connected to +12V via a potential divider 50K on the top and 10K on the lower half. all i have done is use a resistor in line and a cap to smooth the fluctuations the output of which connects to the 50K of the potential divider. Are you talking about connecting the MCU pin...