The new revision - AUAV-X2 is ready. I performed all tests today - flashing bootloaders, flashing firmware, configuration, sensors test, receiver test, airspeed sensor test, servo tests, power tests, log tests, temperature tests, etc. It seems the "IRON" AUAV-X2 performs just fine. More pictures will follow.....
Nest week I'll fulfill all current preorders.
Best regards
Nick
Comments
External LED and compass on the same I2C1 port (ie in parallel)?
Yes, I find people want the motors to spin slowly while armed and at lower throttle levels. With my quads at idle the motors spin quite fast. Not enough to take off, but there is no doubt they are moving air.
If your ESC are not calibrated properly, the effect could be the same.
It sounds like your minimum PWM values are too low. When you drop the throttle, the props are not spinning fast enough to stabilize the aircraft. I do not know the parameter name in ArduCopter, but that is where I would check.
My X2 finally arrived today, thanks in no small part to our useless postal system. Not quite a drop in to replace my X1 as some of the pins have changed position and orientation but that's a relatively minor problem.
Set the whole thing up on my tricopter and it all works fine, smooth and stable. The old X1 is going to do duty in a plane as there's basically nothing wrong with it and it can use all the extra features that APM can no longer use like EKF etc.
Thanks guys!
It weights 14g+-2g.
Hi Nick. I have been doing some digging around could not find the weight of the AUAV-x2? I like the compact form but wanted to know if there was any weight savings over the pixhawk. Great work and thanks.
Hi, Nick. I tried to use the board with APM firmware (APM:Plane 3.3, also tried older versions), but i receive "Calibration FAILED" message every time i try to calibrate an accelerometer.
It works well in PX4.
Hi Navigant,
The idea for TPS63061 Buck-Boost was to allow the FC to work with any redundant power supply from 3.5VDC to 12VDC, thus one can use a simple 1S battery as a backup. The problem is that it has a fixed switching frequency which emits a bit higher EMI in the 433MHz region. With the 7th batch we moved to the X2q which has no TPS63061, but without it, the X2q can work with sources from 5.0 to 5.5VDC only. The X2q is now quiet enough to not disturb any RF.
About the connectors - yes, they come factory presoldered ( not soldered on demand ) and can be either right angled or straight.
Best regards
Nick
Hi guys,
We can offer a revised version without Buck-Boost converter for 433MHz users. Please pm me at nickarsow@gmail.com for more info.
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