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The DPDT switch is mounted in the panel (in my case), along with the red and green LEDs.
For the Arduino setup, I have the relay and the current sensing module in a box behind the panel, and the ardu ...

This might be another opportunity for an open source
project. Once you've finely tuned the code, we can
poke it into chips for mounting on a dedicated
ecb . . . have you considered solid-state ...

Attached is the Arduino code for, and a diagram of the IVOProp controller.
For the diagram, I used part of one of Bob's drawings, and added the Arduino components.

These are the components I used: ...

I'll get the info posted next week.

With Bob's prompting to move on to Plan B, I put together an Arduino-based IVOProp "controller."

I bought an Arduino clone, a relay module, and a current sensing module, and wrote a progr ...

Finally got the plane out to run the engine. I modified the circuit, adding the 100 uF capacitor and the 10 Ohm resistor per Bob's instruction.

Same behavior as before -- without engine running, t ...

Will do Bob. Thanks!

I removed the LEDs from the circuit, and added new LEDs directly to the board.

The behavior is the same as before -- with the engine off, the prop and circuit behaved normally. With the engine run ...

I'll give that a shot, Bob. Thanks.

That's what everyone asks me about building this plane, "gee, how long has that been!?" Smile

Pictures attached...

Thanks for the replies. I'll get some pictures ASAP.

It's been awhile, but thought I'd post my latest results with this circuit.

I finally have the engine running on my Kitfox, with the medium IVOProp and the limiter circuit.

With the engine off, ...

Bob,

My problem board is in the mail to you.

Thanks again!

Hey guys,

I built Bob's current limiter for my IVO prop. My first attempt at it did not work. It seemed to have an issue similar to that reported by Mike Welch some time ago. As soon as I hit ...