Search found 8 matches

by 510rob
Sat Nov 21, 2009 5:11 am
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

The board has three separate grounds - one for low power, one for high power injectors, one for high power ignition + PWM outs...
by 510rob
Sat Nov 21, 2009 2:15 am
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

Hello world, I've been playing with PC layouts in between my required philosophy readings & psychology papers. I know you guys disagree with P&H drivers, but I left them on there anyway. Working on PC layout stuff seems to be a good mental exercise to clear my head of scholastic & episte...
by 510rob
Thu Nov 19, 2009 3:19 am
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

If there is to be a dictator, it's the guy designing the board. After all, he doesn't have to, and someone else could up and do a different one as well. I'd prefer (as with my firmware) that our effort was united in the short medium term until we have a functional basic working foundation. This is ...
by 510rob
Sun Nov 15, 2009 9:34 pm
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

I have found what I sought in the other thread; Fred's basic criteria for a simple, basic, low cost platform for development. I will go with that, and post results when appropriate.
by 510rob
Sun Nov 15, 2009 8:17 am
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

Abe that's it exactly! feature creep and 'would be nice' mentality kill the initial beast before it's left the starting gate. I'm of the opinion that, for now at least, we should agree to stick with the ubiquitous DB connectors - anyone can buy them almost anywhere, and they are cheap. I have create...
by 510rob
Fri Nov 13, 2009 10:13 pm
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

What would be the ideal or most suitable configuration as a quickie development board would be for you at this point?

What Inputs?
What Outputs?
by 510rob
Thu Nov 12, 2009 6:56 am
Forum: FreeEMS Hardware Dev
Topic: We need to lay out a basic board
Replies: 44
Views: 57320

Re: We need to lay out a basic board

back from the dead. what about a board or a few separate boards that stack together, connect with IDC socketed cables (whatever makes sense) to allow development. In other words, a board, or a few boards that are made with the express purpose of allowing further development of the firmware? basic si...
by 510rob
Sat Mar 22, 2008 3:14 am
Forum: FreeEMS Hardware Dev
Topic: Why 16BIT? Why Not 32BIT?
Replies: 22
Views: 37986

Re: Why 16BIT? Why Not 32BIT?

RE: 16bit vs. 32bit

baby steps, baby steps... (let's learn to crawl before we try to fly to the moon!)