Good news, MultiWii just release new version 2.4 on March 15, 2015
MultiWii 2.4 have waypoint navigation feature, and have nice function return to Home and auto landing.
and also FENCE is very nice for protect fly away, if it fly out of FENCE RANGE (that can set in meters).
it will activate RTH then flying back to home point.

Mar 24, 2015 MultiWii 2.4 with my mod FAILSAFE-RTH
although MultiWii 2.4 have a nice Return To Home and auto landing (RTH+LAND). but it still don’t have FAILSAFE-RTH, it need receiver that have failsafe feature for set some channel for activate RTH, My TX+RX don’t have failsafe feature, So i modify MultiWii 2.4 code for do FAILSAFE-RTH, see the first test of my failsafe code in this video

Mar 26, 2015 MultiWii 2.4 + my mod Failsafe-RTH-LAND
Flying for test my mod Failsafe-Return To Home-Auto landing, I test my mod failsafe by power off transmitter while flying 🙂 my TX+RX don’t have failsafe feature, So, i need to modify failsafe code to force AUX1=on (set AUX1 on = RTH)
FCB/FW: DIY MEGA2560 / MultiWii 2.4 release Mar 15, 2015 + My mod

Mar 26, 2015 MultiWii 2.4 Failsafe-RTH-LAND Take 2
My mod Failsafe-RTH MultiWii 2.4 for use with my TX+RX that have not failsafe feature.
I flying for test Failsafe-Return To Home-Auto Landing.
This video is un-cutting, you can see all real that happen

if your TX+RX have failsafe feature, you no need to modify any code.
just set failsafe value of all 4 first channel to CENTER, then set AUX1=ON, AUX2=OFF
and set AUX of MultiWii for AUX1 on =RTH
then your MultiWii 2.4 can do Failsafe-RTH, if want to do AUTO LANDING when reach HOME point,
just set RTH parameter1=1 (LAND=1)

MultiWii 2.4 Failsafe-RTH

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14 thoughts on “MultiWii 2.4 Failsafe-RTH

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  2. hello,
    here I’ m back again,

    please tell me how to modify code, ’cause my RX-TX don’t have failsafe feature…

    see you


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  5. Help please. I built a esacottero with MultiWii PRO Flight Controller w MTK GPS Module. As radio use Turnigy -9x.
    On MultiWii I made the changes relating to GPS and the RTH.
    But I have a problem: how can I activate the RTH Tx?
    In the Tx and Rx have 8 channels: Aileron, Pitch, Thro, Rud, ch5 Gear, ch6 Aux 1, Aux 2 ch7, ch … 8:
    I can not associate a Ch AUX to RTH. In practice, I do not know how to enable RTH.

    1. MultiWii see ch5 as aux1, ch6 as aux2, ch7 as aux3, ch8 as aux4.
      aux that suite for activate RTH should be a switch.
      then you must use GUI such as “MultiWii Configurator”(on PC) or “EZ-GUI”(on android)
      to setting AUX associate with flight mode.
      see example in this clip video
      (since time 2:39) you will see my “MultiWii Configurator” screen
      that I setting AUX1(ch5) high for GPS HOME(rth) and BEEPER.
      and set AUX2(ch6) high for BARO and GPS HOLD.

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  10. what do you mean to set RTH parameter to 1? I am using WinGUI. is that RTH parameter is set in WinGUI or in the codes of Multiwii 2.4 firmware? pls response. mine does return to home but does not land automatically. it just passes by then eventually crash.

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