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How to Use TBS Crossfire on SBUS

How to Use TBS Crossfire on SBUS

I know what you’re thinking, why would you use the TBS Crossfire on SBUS protocol and not crossfire protocol?  Well sometimes you don’t have a choice.

I’ve been using the EMAX Mini Magnum 2 on all my Neutrons and love the stack.  It’s been super reliable but it doesn’t have any spare UARTS to connect a Crossfire Nano.  I didn’t think it was possible until a friend showed me.

Parts Used in this build:

Setup

The normal way to setup the TBS CrossfireNano RX is power, ground, channel 1 to RX/channel 2 to TX on a spare UART port. Of course that’s the preferred method if you have a spare UART port to use.

tbs crossfire nano sbus

If you are using a flight controller like on the EMAX Mini Magnum 2 stack, there isn’t a spare UART port.  To setup the Crossfire Nano on SBUS is even easier, positive, ground, Channel1 on the Crossfire goes to SBUS on the flight controller, channel 2 isn’t used.

Crossfire Nano Setup

On the Crossfire Nano, set Channel 1 to SBUS

tbs crossfire nano sbus

On the BetaFlight Ports, enable serial on the SBUS port and configurations, set receiver to SBUS.  Done!

tbs crossfire nano sbus

RSSI

To get RSSI to work, set the Crossfire Nano to output RSSI on Channel 12

tbs crossfire nano sbus

In the configurations tab enable TELEMETRY (see image above).

tbs crossfire nano sbus

Change RSSI Channel to AUX 8.  With the TX powered on and battery plugged in, you should see AUX 8 move around.  Enable RSSI in the OSD and you’ll see RSSI.  Done!

It’s nice to know that this option is available on the Crossfire Nano.  Even though you should use the Crossfire protocol if you can.

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2018-09-24T22:48:22+00:00 Build, Quick Tips|4 Comments

4 Comments

  1. Ali B 09/11/2018 at 10:11 pm - Reply

    Daym. Didnt realise you couldnt use crossfire on the magnum 2. Thats a real shame. THey’ve missed a trick to making the perfect 20 x 20 stack

    • Mike Tseng 09/12/2018 at 9:44 am - Reply

      i know! It needs 1 extra uart and m3 screw holes. Otherwise it’s perfect

  2. Patrick G Gagnon 09/12/2018 at 5:00 pm - Reply

    when will you be offering the crossfire antenna mount for this build.

    • Mike Tseng 09/12/2018 at 5:01 pm - Reply

      I will list them tomorrow!

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