Espritmodel.com Telemetry Radio
android78's blog
Posted by android78 | Mar 11, 2012 @ 05:12 AM | 3,673 Views
I decided to do an alternative mod for the 9X to use the transmitter module case that comes with the 9X as the case for the DIY frsky telemetry transmitter module:
DIY Telemetry Compatible Transmitter Module
The aim is to have the module able to me unplugged and changed for one of the other plug in modules (as below) with inbuilt antenna without too much trouble:
2.4Ghz SuperMicro Systems - JR Module
I also want to be able to use the telemetry within the 9X using the custom firmware:
Fr-Sky Two-Way Telemetry Firmware

So let's start with the creation of the RF module...
Now before I start with my explanation, I must say that this has taken 10 times as long as it should and if anyone is wanting to do this mod, maybe you should just get this one at least to start out with the following since it is already basically there:
FrSky DF 2.4Ghz Combo Pack for JR w/ Module & RX (V2)
I didn't want to start with that one because I didn't want the antenna sticking out the back, but you could probably just take the insides out of that and put it right into the 9X RF module case without too much trouble.

That being said, I'm not the type to do things the easy way, so here's what I did.

Step 1 - Pull the guts out of the module case.
This is easy and there are videos on youtube showing pulling this out. The problem is that most people just take the electronics out, put the top back on and pop it back in without anything inside, then put the Frsky DIY module inside the...Continue Reading