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Old Oct 18, 2014, 06:51 PM
We can rebuild it!
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I've searched hard for them pins but no idea EXACTLY what they are called or where to get them, any ideas?
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Old Oct 18, 2014, 07:02 PM
We can rebuild it!
djdavies83's Avatar
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Found it through the blog link thanks.
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Old Oct 18, 2014, 07:38 PM
WZ9V, AMA 409852
United States, VA, Alexandria
Joined Jan 2007
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Cool, that's why I posted the link. I built one of the modules in the blog and it worked great.

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Found it through the blog link thanks.
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Old Oct 18, 2014, 07:50 PM
We can rebuild it!
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I don't fancey the £12 shipping fee on 3 connectors.

Did you get yours from the product link in the blog?

Does this look like a suitable alternative?

http://uk.farnell.com/jsp/search/pro...sp?sku=9732349
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Old Oct 18, 2014, 08:36 PM
WZ9V, AMA 409852
United States, VA, Alexandria
Joined Jan 2007
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I'm in the US and was buying a bunch of other parts at the same time so shipping wasn't that bad. I think you will have to see if you can find an equivalent from a European source in order to not have shipping be ridiculous.

That does look like it would work.

Quote:
Originally Posted by djdavies83 View Post
I don't fancey the £12 shipping fee on 3 connectors.

Did you get yours from the product link in the blog?

Does this look like a suitable alternative?

http://uk.farnell.com/jsp/search/pro...sp?sku=9732349
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Old Oct 20, 2014, 04:40 PM
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Joined Feb 2008
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Hi goebish,
I'm definitely interested in getting one PCB,
Thanks!

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Originally Posted by goebish View Post
Note this is for Taranis X9D(+) Only !

Better safe than sorry so, here's a rev2 with a LDO.



R1 = R2 = R3 = 1K (0805)
R4 = R5 = 5.6K (0805)
Q1 = 2N2222 (SOT-23)
C1 = C2 = 10 µF / 10V tantalum (1206), expensive, probably not mandatory, but better have them, at least C2.
IC1 = AMS1117-3.3 (SOT-223)

headers:

(2x) 1x7 2.54mm pitch male
1x5 2.54mm pitch female
1x9 2.00mm pitch male

requires:

1x Arduino pro mini, any version, goes on bottom
1x A7105-D03 RF module, goes on top

I attached a zip archive with eagle files and .hex firmware (8 & 16MHz versions)

A few things about the firmware:

- plug & play, no need to revert any channel or adjust endpoints on the X9D
- AUX1 controls LEDs
- AUX2 controls flip-ability
- AUX3 controls the vTX channel for the X4 FPV version (H107D), so you can use it with your fatshark goggles or any other vRX, it's split in 8 "zones", by default it uses ImmersionRC/Airwave compatible frequencies:
5740, 5760, 5780, 5800, 5820, 5840, 5860, 5860
connect pins 10 & 11 together on the arduino to use Boscam band E compatible frequencies instead:
5705, 5685, 5665, 5645, 5885, 5905, 5925, 5945
- telemetry: there's battery voltage telemetry sent via smartport, openTX can display it, you can also set an alarm directly in your TX. note that the value reported by "RPM" is the current vTX frequency actually.

I can make a small batch if enough (at least 5 or 6) people is interested.
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Old Yesterday, 02:36 PM
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Hello,
I received my promini today.
I have assembled everything.
My hubsan is binding with the tx but nothing happen.
When I increase the throttle, the prop are not spinning
I have uploaded the soft Hubsan_V2_M328_8Mhz.hex

As it is binding, I believe that the problem comes from my ppm signal. How can check it ? I can check the voltage between "3" and ground
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Old Yesterday, 02:42 PM
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Yes check the voltage..do you have resistor in series with PPM signal?Which Tx do you use?Which channel order?Should be AETR channel order...with that hex.
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Old Yesterday, 02:48 PM
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Quote:
Originally Posted by midelic View Post
Yes check the voltage..do you have resistor in series with PPM signal?Which Tx do you use?Which channel order?Should be AETR channel order...with that hex.
I am using 10k resistor like the schematic below
Between ground and "3", I have 1V
Yes I am using a Futaba 7cp and it is AETR
I have also inverted the throttle but still nothing
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Old Yesterday, 02:53 PM
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That is the problem..The original design was for Turnigy 9X which have 4.6V on PPM signal...Which voltage you have on Futaba before that 10 k resistor?..If it is around 3 V remove the 10k resistor in series one or put a smaller one 1K resistor in series with PPM signal..Before start throttle should be zero,.. if not hubsan, not starting...lower also throtle trim.
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Old Yesterday, 03:01 PM
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I have 2.7V
Just to be sure that I understood.
I must remove only 1 resistor. The one just after my tx and I should leave the "bridge" with the 10k between gnd, 3 and ppm signal
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Old Yesterday, 03:03 PM
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In that case you can remove both.....2,7V is good voltage for PPM signal.Those 2 resistors was for a voltage divider to reduce voltage to 3.3-3.6V ,max on PPM signal.
However if you use the module with other tx ,,with higher PPM signal keep in mind ..to use one resistor in series 1-2K...or the some other voltage divider(calculate voltage drop) if voltage is higher than 5 V.
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Old Yesterday, 03:16 PM
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It is flying !!!!!!!

It did not work until I put the trim totally down... do you think that I must retry with the two resistors and the trim down ? For safety ?
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Old Yesterday, 03:22 PM
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My suggestion is to put only one 1.5-2.2K resistor in series PPM...and that's it.Thers is no need of second resistor(paralel)...The PPM pin is set as input is high impedance ...so I think only one resistor in series is enough.
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Old Yesterday, 03:30 PM
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Ok thank you
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