Thread: Super MPGuino?
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Old 02-21-2010, 07:09 PM   #43 (permalink)
gtkid2002
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Well, I lowered the resistances, but I can't tell if it works or not. As soon as I do, it puts a load on the vss, and drops the voltage. So I can't seem to get it above 1.8v. The VSS reads 4.75v, so I'm tempted to make an amplifier to boost it. I can't get the Mega to read a single screen, because even though the buttons are disconnected, it keeps switching screens on me. It likes to go to the scratch screen (odometer or whatever) or it will go to the cpu usage screen. Occasionally it'll just start spewing loads of coded text.

I'm just gonna go out and say without code revision, I don't think that the standard MPGuino code is compatible with a Seeeduino Mega. Unless I just got a crappy 'duino or screen or something, I don't think it works. I might just buy an mpguino and see if that'll work, then upping to a 328 or something and try and go from there.

I haven't been able to hook up my injectors but I know that they work. I've got some DPDT toggles on cylinders 2 and 3 that use resistors to bypass the injectors, so I know that those work.

Although on the GPH readings on the duino, when -nothing- was hooked up aside from USB power, occasionally the GPH reading would just tweak out. It would just flash random numbers and stop when I poke the thing, which makes me wonder if it had a short or something.
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1969 VW Bug - Daily Driver
1975 VW Baja - Current Project
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1989 Honda Prelude Si 4WS (RIP)
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