Other JR module version ?

Added by Laurent Lalanne over 5 years ago

Hi all,

After opening my Frsky module i don't found a same pcb inside.
So i locate SP3232 chip and pads for non inverted signal.
Txd on pin 11 and Rxd on pin 12

Now it work fine, Bluetooth module inside :)

Here is some pics attached, you can add info on wiki.

Thanks for your work,
Laurent

Frsky_non_invert.jpg (2.32 MB)

IMG_2370.JPG (2.37 MB)

IMG_2366.JPG (2.09 MB)


Replies (3)

RE: Other JR module version ? - Added by Espen Solbu over 5 years ago

That is really cool! Thanks for sharing this information! I'll add it to the Wiki!

Regards
Espen

RE: Other JR module version ? - Added by Espen Solbu over 5 years ago

I made a Wiki, you can edit it if you wish. It is located here: http://projects.onomato.biz/projects/android-dash/wiki/InternalBtDJT

One question though, the non-inverted Tx/Rx on that chip, are those TTL level or RS232 level? can i use them directly on a TTL based Bluetooth module?

RE: Other JR module version ? - Added by Laurent Lalanne over 5 years ago

Hi Espen,

I use this module for GoodluckBuy :
http://cgi.ebay.fr/ws/eBayISAPI.dll?ViewItem&item=261050747639&ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649

So the only difference is a 3.3v regulator and one led display for state.
The same module naked should work but 3.3v source is required.

Laurent

(1-3/3)