MULTIPROTOCOL TX MODULE with antenna

bob195558 · Post by **bob195558** » Sat Mar 11, 2017 1:19 pm

Hi
Have received Multiprotocol TX Module with Antenna from banggood and it is YRFM02_V1.2
and the chip is ATMEL MEGA328P AU1634: (http://www.banggood.com/2_4G-CC2500-A71 ... ds=myorder).

Also received Multi Protocol Module Case for FrSky / FlySky Transmitters: (http://www.banggood.com/Multi-Protocol- ... ds=myorder).

I am having a problem with the Module Case.
It is misaligning the Multiprotocol TX Module board by .035" so that it will not make connection with the 5 module pins in the FrSky / FlySky Transmitter 9x radio module bay.

So I am looking at several options to mod this Multi Protocol Module Case (make proper fit) so that it will have proper alignment to the 9x FrSky / FlySky / Taranis (JR) module bay pins.
I am Not going to try bending the 5 module bay pins over as they are proper fit for several other modules.

Leaning toward, elongating the Multiprotocol TX holes with a small rat-tail-file and cutting slots at each end of the module case so that the Multiprotocol TX board can move over the needed .035" (inches).

: Module Case misaligning to the 5 module pins

I have also place a complaint about this problem to banggood, waiting for a reply from them.

Bob B.

Daedalus66 · Post by **Daedalus66** » Sat Mar 11, 2017 4:27 pm

Those tiny holes in the case are much too small. The pins don't need close support at all. I would just open up the holes as needed or even make a slot to allow the pins to find their way into the socket.

Post by **Kilrah** » Sat Mar 11, 2017 6:56 pm

I think it's a drawing he made of where the module holes get positioned. The case has the whole rectangle open.

The screw holes may not be located precisely enough.

Daedalus66 · Post by **Daedalus66** » Sat Mar 11, 2017 9:22 pm

I see that now.

bob195558 · Post by **bob195558** » Sun Mar 12, 2017 11:43 am

Hi,
Yes in the photo above, the black dots are added to represent where the Multiprotocol board's 5 pin sockets are located (misaligned).
When the Multiprotocol board is installed in the banggood 3D-Printed Case, the Multiprotocol board is tightly pressed
to the right side and the 3 screw holes are lineup properly.

: Multiprotocol board in 3D printed case

I have a spare DJT case and placed the banggood Multiprotocol board into it and it shows the same problem.

: DJT case showing where the 5 pins are misaligned

It appears the root problem is with the Multiprotocol board positioning the 5 pin sockets to far in from the edge of the board.

: 3D Printed case showing where the 5 pins are misaligned

The 5 pin sockets appears to be off by .035" on the Multiprotocol board.

Bob B.

Post by **MikeB** » Sun Mar 12, 2017 11:57 am

I have my 4-in-1 in a DJT case. The centres of pin holes are about 6mm (0.235") from the outside of the case.

Mike.

bob195558 · Post by **bob195558** » Sun Mar 12, 2017 12:58 pm

Thanks Mike, you may have an older Multiprotocol board ?

I think I have a newer Multiprotocol board (YRFM02_V1.2)
which may have dimension errors in it, causing the problem.

Bob B.

michel49 · Post by **michel49** » Sun Mar 12, 2017 2:42 pm

The one I got have the connector soldered on the wrong side: copper side...

MP

openrcforums