APM MavLink to FrSky X8R S.Port converter

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Jesse Peacock November 29, 2015 at 10:51am

I'm getting an "armed throttle below failsafe" warning everytime I arm my copter. Failsafe is set up per the instructions on the arducopter site and seems to function correctly in MP. I get no warnings in MP when arming my copter with these settings just via the frsky/teensy telemetry. Is this just a normal warning based on checks for a "low throttle" fs setup (my rx is set up for no pulse on loss of signal)? Or do I have something setup wrong?
effy November 16, 2015 at 11:29pm

Hello to evryone

wonder if i can use this sensor to get each cell volt :

http://www.banggood.com/DIY-FRSKY-S_PORT-Voltage-Sensor-1-6S-For-X9...

instead of the original fvlss by frsky ?

and how can use it without the resistors board ?

or maybe with the original fvlss becouse it has two s.port conectors ?

my setup:

pixhawk+x8r+teensy3.1
- Gatis > effy November 17, 2015 at 11:36am
  
  Diy cell meter from banggood works perfect for less money. Just make sure to make calculations in Opentx 2.1 Companion for each cell from Clooney82 wiki. At the beginning i thought these are just calculated values. They are real values.
  About that diy sensor, battery voltage Cells reading is perfect, but each cell voltage i had to calibrate, solder pins, attach ftdi and with simple program from banggood site, calibrate readings to match multimeter readings.
  - effy > Gatis November 17, 2015 at 10:23pm
    
    Great
    
    But how did you connect this sensor together with the teensy they both use the same s.port
    
    And on the x8r receiver we have only 1 s.port ?
    
    Little diagram will be very helpful
    - Gatis > effy November 18, 2015 at 2:10am
      
      With something like this : http://www.hobbyking.com/hobbyking/store/__52197__Servo_Splitter_Le...
      
      Mine is just diy soldering style.
      - effy > Gatis November 18, 2015 at 9:29am
        
        ok
        
        so by using a simple y cable
        
        i will see each cell on the lua screen ?
        
        by the way i am using the script by IVALE
        
        https://github.com/lvale/MavLink_FrSkySPort
        
        ac 3.2.1
        
        didnt preform any flight test yet so to move to ac 3.3 seems to be a big issue to me
        
        or should i abandon everythig and start all over again with this script clooney82:
        
        https://github.com/Clooney82/MavLink_FrSkySPort
        
        by the way can i find a step by step guide to move to clooney82 ?
        
        lvale/MavLink_FrSkySPort
        
        This MavLink_FrSkySPort repository is discontinued! The development is moved to Clooney82/MavLink_FrSkySPort where we work together on this. Please d…
        
        Luis Vale Gonçalves > effy November 18, 2015 at 9:38am
        
        SPort telemetry sensors are connected in series, so if a sensor (the Teensy can be considered a sensor) does not have 2 connections, it must be the last on the chain.
        
        I use the FLVSS (with display) sensor from FrSky and a Teensy and the connections are:
        
        X8R <->FLVSS<->Teensy.
        
        @effy To move to 3.3 the wiki on Clooney's is quite easy to follow. If you also upgrade the Taranis to 2.1.x you'll have to download new sound files for system.
        
        effy > Luis Vale Gonçalves November 19, 2015 at 7:37am
        
        Hi luis
        
        1 .so is it a must to use the resistors network to get cell voltage on taranis ?
        
        are you using it too ? or just plug the flvss to balancer and to x8r
        
        2. on your ac 3.2 script the transmiter inform the flight mode by voice
        
        is it the same here on clooney script ?
        
        Luis Vale Gonçalves > effy November 19, 2015 at 7:41am
        
        Hi
        
        1. No, the resistor network is optional. I have X8R<->FLVSS<->Teensy, with no changes whatsoever on the released version at Clooney's
        
        2. Yes, a small difference is that it only says the Flight modes from the controller, so no more engaged/active, that were there to report between what was on the switches and what the PixHawk was doing.
        
        Shakthi Ashwin Vaidyanathan > Luis Vale Gonçalves November 19, 2015 at 7:54am
        
        Hello Luis i have a problem, the code on the teensy
        
        while(_MavLinkSerial.available())
        {
        Serial.print("a");
        uint8_t c = _MavLinkSerial.read();
        if(mavlink_parse_char(MAVLINK_COMM_0, c, &msg, &status))
        
        is not entering this loop what do u think the problem would be?
        
        Iam using a APM2.6 and teensy3.2

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APM MavLink to FrSky X8R S.Port converter

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