To input from a 5V system, a series resistor in the 1k-100k range is probably the best approach. There are parasitic catch diodes on every pin of the device which will clamp incoming out-of-range voltages to within ~0.4V of the VSS and VDD rails. This will force the resistor to drop 1.3V (5.0V-(3.3+0.4)) for an incoming high signal.
To output to a 5V system might be a simple matter if the threshold voltage is TTL (~1.4V) or CMOS (2.5V). You can connect straight in. For bidirectional pins, just use a series resistor.
Hope it's not an IAT mod.
IAT Mod - Fact or Friction?
Well, the Propeller is a grossly inappropriate solution for the job. In fact I've never quite understood what the point of the Propeller was, and I found it difficult to read their literature when they kept using their "in house" terms for things, in short, it seems like doublespeak.Mark, thats great if you know how..but being a mere mechanical engineer with only V=IR to my electronics skills I thought the propeller looked like the way to go..
It gets worse. I tried using a BS2 stamp and PWMPal at first but it was too slow and can only do one thing at a time so it didnt work...
So I have spent my fair share of $$ on this project but I think well worth the experience I have gained
P.S. I have already tried the IAT resistor trick with no luck besides retard the timing there is not enough effect to lean the mixture enough.. Just purchase a couple of level shifters, thanks for the link found an aussie ditributor from WA
Well, if you mess with the computer, you MAY well see a marginal gain, thus appearing to be evidence HHO "works". But you won't be able to see what it's doing to your engine and emissions. And it has nothing really to do with the introduction of HHO.Thanks Oznog.. This is your own opinion. I am not yet convinced about HHO myself that is why I want to give it a fair go before I give up and call it a scam
Which is unfortunately rubbish. Lemme explain.From what I have understood.. the amount of energy extracted from the hydrogen will be less than the energy from the alternator and therefore drag on the engine than what it took to create it. However it is supposed to create a better and faster burn of the fuel in the cylinder by acting as a catalyst. This uses up more of the unburnt fuel to create power and produce less wasted energy such as heat that dissipates in the engine. If the efficiency of the normal ICE cycle is at best 20% then the hydrogen catalyst only needs to increase that by 2% to get an overall 10% gain in economy.
Impossible. There is plenty of industrial work on creating hydrogen. There is no "resonance" to the process and "pulsing" does nothing but generally reduce the efficiency. They're total fiction. It's impossible to make more H2 and O2 than the energy you put into it! Nor is there any magic catalyst which can make energy out>energy in.This is the mainstream brute force method of creating hydrogen..If you want to get into some freaky stuff then you can "supposedly" generate up to 100Ltrs of hho/min using resonance with the hex controller board. This will allow you to run the car without any fuel at all.. Google D9.pdf
Speaking as an engineer who has followed the "fringe science" community for some time, I can just tell you right now- this guy is actually giving every indication of being an unreliable quack. He sounds almost identical to Troy Hurtubise, and a little like the Ghost Hunters guy. The mindset is basically crazy and deluded and covering with it with big words and pretending to be scientific. There's a LOT of problems with what he's actually saying that clearly show he's into pseudoscience, not science.Sorry I dont want to argue this stuff.. If you are interested you can look up the SMACK SUPREMACY videos on youtube
YouTube - The Smack Supremacy 1
Oh we KNOW what he's talking about. We've got years of experience with the guys claiming "free energy from the environment". And they're all frauds. I don't know what you expect a fraudster to look like, but they can come in all forms. It is impossible to generate energy out of nothing, and there is no magical ether-power floating around. The claim is not new. It's very VERY old. They're often claimed exactly like he does, they claim there are "verified test results", they claim other people have verified them, sometimes people show up claiming to have verified it. Some have official, legal "corporations". They're still 100% frauds... all the time.If you know anything about electronics and winding your own toriods I would love to get you talking to Bob Boyce. He is the designer of the hex board which can generate power from the environment. He has posted a simple challenge for non-believers but I dont have the knowledge to even know what he is talking about...He is a bit of a legend amongst the HHO community so if you are just going to tell him that he is on drugs I'd rather you not get involved. Otherwise head to **broken link removed**
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