That my list of 9x radio mods, Keeping it DIY, and under $200 :) 

First one is 'er9x' firmware super easy:

Here is wiki page and good 'How to wire' videos: Part 1 Part 2 Part 3 you'll need some programmer this one works fine  

also you can use arduino board

'eepe' tool is here

Next one is the 6 position 'mode' switch for ArduPlane/Copter, here is my original mod and complete 'how to' from Paul. That is 2 pole switch, so its 2 switches in one and I used that second switch for LEDs.

Next is the Turnigy 9X LCD Backlight Kit from HK 'how to' is here :)IMPORTANT !!! DON'T DO THAT 

Just cut-off some of extra foam but don't try to completely remove it, big mess !

Speaker Mod with Haptic Feedback really cool one :)

Next FrSky Telemetry 

There is number of ways to do it 'How to modify your 9x to support telemetry'

one is using 'FrSkyLite' that also used for 'FrSky' firmware upgrades.

But here is another one that also converts 'FrSky' module to support firmware upgrades via FTDI cable.

You'll need to perform minor surgery on that DHT DIY module :)

And some work on the 9x board too.

But the most important part is the new ERSKY9x ARM board for 9x radios !!!

Here is a Feature List:
input voltage 6.5 - 16 volts (7.2V ideal)
Atmel SAM3S ARM Cortex M3 Microprocessor 
256K of Eprom , 48K Ram 
4mb EEprom - For Model /sound storage
Support for Optrex display F-55472GNFJ-SLW-AAN
Built-in external USB socket for Programming / interface.
2 external RS232 Serial Ports.
PWM control of LED backlight . (dimmable)
1/2 Watt Mono Audio Amp , with digital volume control
8 ohm speaker output with auto switch over headphone jack output.
Micro SD card socket with 4 bit high speed connection to ARM
Support for RN-42 Bluetooth Module (spot for external TTL serial connection)
Haptic output connector , with PWM drive.
ATTiny167 AVR micro for RTC and 12 external switch inputs/encoders or up to 10 A/D inputs , can be battery backuped 
External I/O connector with 4 lines one with DAC output
I2C output connector + spare port pin. 
5V output.
On board current sensor , to measure power usage on battery
Second PPM OUTPUT
Software control of Power - off


Should be out soon for $85 !

 


 

Views: 20385

Comment by OG on April 1, 2012 at 6:51am

lot of cool mods why mod you 9x anyway i guess to make it better! What mod is a must in your opinion?

any pics of you Y6?


Developer
Comment by Max Levine on April 1, 2012 at 7:39am

@OG, 6-pos-mode-switch 

@Monroe, same here !!! Fancy case, built-in FPV screen and so on :) And it still be cheaper than any other radio out there :)

Comment by Andrew Radford on April 1, 2012 at 8:15am

Thinking about getting one of the 9x units - can anyone comment on the quality/feel of the sticks compared to say a Futaba 7C / FF9 (i.e a 'traditional' tx). I like the idea of having 9 channels and hacking potential, but don't want bad controls!


Moderator
Comment by Mark Harrison on April 1, 2012 at 12:57pm

@OG, even if you keep the standard 9x firmware, do the backlight mod... the kit is only US$5 from hobbyking... I think they have a couple of different colors to choose from.  It's pretty simple to do, no soldering.  I got lucky, my foam backing peeled of cleanly.

Comment by Helldesk on April 1, 2012 at 1:03pm

Could a FrSky Rx telemetry link send back the GPS position if you extracted it from the Mavlink data and converted it to a suitable speed serial data stream, in case you land in a bush and need some help finding the aircraft? Or does it only support voltage readouts and RSSI?

Comment by Helldesk on April 1, 2012 at 1:09pm

It looks like it should be able to support a serial stream as well: http://rcmodelreviews.com/forum/viewtopic.php?f=46&t=1217&p...

Comment by Fokko Driesprong on April 2, 2012 at 1:31am

Looking forward to the new board. My board is fried because wrong input voltage. The regulators were burned because of the high voltage drop when supplied from a 3S LIPO. Tried to upgrade the power supply but ended up frying my board because of bad wires. I suggest switching regulators.

Please keep us posted!

Comment by Russkel on April 2, 2012 at 2:17am

To remove the foam backing for the backlight, just use a heatgun on it. The adhesive weakens quickly.

Comment by Paul on April 2, 2012 at 2:55am

thanks for this, real helpful info! i like how you have put the mode switch in the middle of the radio, i might do the same :)

Comment by Paul on April 2, 2012 at 2:58am

hey max, where is the point where you add the green leds, cant seem to find it, these are for the modes right? 1,2,3 etc...

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