[turboedge]

Hi Guys!

I have NO2C v0.2.1 boards now. If you order one from me you will probably be getting the new version. Below is a list of changes copied from the wiki: https://speeduino.com/wiki/index.php/NO ... ino#v0.2.1

• Improved silk screen

• All MOSFET outputs (injector and auxiliary) have the same gate connection to the Arduino MEGA

• VR signals are routed straight into the conditioner

• MAP sensor location accepts either though-hole or SMD part

• Other routing and placement adjustments (R10 and R11 are flipped)

Thanks to all those who have ordered them! I'm quite surprised how many I have gone through. Expect to see more improvements in the future.

Weaver

[panpan]

I bought a NO2C v0.2.1 kit from the UK , and then saw there was a v0.2.2 available with a Bluetooth option, so without being lazy and looking at back to back BOMs, does anyone know if the core BOM from the v0.2.1 kit has changed, other than some Bluetooth board breakouts pins.
As my v0.2.2 board came in the post the other day, I'm quite keen to build this up in the next few weeks, but like to avoid simple mistakes my end.

[turboedge]

Every currently released version of the v0.2.x has the same BOM.
Happy building!

[panpan]

Thanks for that turboedge, as well as making the board in the first place. (y)

[truckinwagen]

Quick question about the V0.2.2 board.
The "high" current outputs, are they Switched power or switched ground?

My cars vvt is switched ground, and Wondering if I need to use a relay to make it work or not.

Thanks!

[Jama]

Quick question about the V0.2.2 board.
The "high" current outputs, are they Switched power or switched ground?

My cars vvt is switched ground, and Wondering if I need to use a relay to make it work or not.

Thanks!

They are switched ground so should work for you without any extra parts.

[theonewithin]

Even if they were switched +ve you wouldn't use a relay.

You would use a transistor to do the switching as a relay isn't going to be able to do the PWM side of things at all.

[Broke4speed]

You could always use a solid state relay. Lots of new cars use them now, so they're pretty easy to find.

[Broke4speed]

Quick question:
I've seen that it's possible to convert the unused MOSFETs into extra INJ drivers, but could it be done for a logic ignition out? I've got a 6-cyl and would only need one of each, and have no need of boost or VVT control...

[PSIG]

I've seen that it's possible to convert the unused MOSFETs into extra INJ drivers, but could it be done for a logic ignition out? I've got a 6-cyl and would only need one of each, and have no need of boost or VVT control...

Almost. Technically yes (you can use virtually any unused Mega output), but the HC output hardware is not configured for controlling an ignition driver as-is. Make those changes, or even better make one more TC4424 output circuit (skip the 2nd HC FET), and yes you can do that. Keep in-mind that the NO2C isn't limited by processor power or outputs, but only in limited hardware in order to reduce size and cost for those that don't need more. Add more hardware and configure it most any way you like.

David