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Thread: PPM to Analog Converter (For EzUHF RSSI)

  1. #281
    Co-Pilot StompAE86's Avatar
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    Ppm does work with ezuhf and rssi does too just solder to the correct pads

  2. #282
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    Sep 2015
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    But why it is not working with my naze32?? And do i need the convertor for the mininosd?

  3. #283
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    I've had great success with EZUHF with Naze32 and the KV mod mimiosd to display RSSI and battery voltage level. I found EZUHF PPM works just fine with the Naze32. To get it working you need the correct firmware/software versions and spend some time setting up the config using Immersion tools(EZUHF, Arduino/MW_OSD(minimosd) and Cleanfilght(Naze32). You'll also need the correct cable to flush the minmosd with MW_OSD R1.2 and configure the OSD

    EZUHF firmware 1.5.2 on both TX and RX

    EZUHF TX set with PPM mix on channel 1 and RSSI channel 8. https://www.google.co.uk/url?sa=t&rc...4HcfM8IQRCgUpACleanflight I configured Naze32 to listen for RSSI and updated the KV mod mimosd.
    https://www.google.co.uk/url?sa=t&rc...UfYB63DVCx2OkA

    minimosd - Default firmware doesn't work. Flash with MWOSDR1.2 from here https://drive.google.com/uc?export=d...2tEYUxvazFBWW8
    http://www.readytoflyquads.com/micro-minimosd


    Also recommend using the provided port to add a bleeper, really useful with you lose the model!

    Good luck,
    Snoop

  4. #284
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    Hi Snoop,

    Thank you the good instructions, but the rssi source I cant find in the radio at all?!

    And do have some diagram or something like that so I know how to connect the rssi to the naze

  5. #285
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    I can send a picture of the setup later. Meanwhile if I remember correctly no additional cables are needed between the EZUHF RX and Naze32 except the cable between EZUHF channel 1 to Nase32 channel 1. PPM mode must be enabled via Immersion tools and Cleanflight. The PPM signal will carry the RSSI data which is then shared with minimosd via the Naze2 TX/RX ports, located in the middle of the board.

  6. #286
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    Here are some images showing the setup. Hopefully this will help you on your way.

    Click image for larger version. 

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    1) Update firmware and config using Immersion tools
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    2) Update Naze32 config
    Click image for larger version. 

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    3) Update minimosd firmware to R1.3 then configure OSD
    Click image for larger version. 

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  7. #287
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    well i really happy right now i have it working, i don`t know how but it is working!!!!

    thank you Snoop, for the quick help!!

    later this weekend i will start with the osd

    one thing , how do i get the rssi to 100% instead of 51%

    http://imgur.com/a/M6YnE

    But I am getting a naza m lite shortly, but I think the naza don't has rssi support but how do I get the rssi to the osd?
    Last edited by stefan787; 26th September 2015 at 09:47 AM.

  8. #288
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    Mar 2016
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    Guys I have a problem with the RSSI reading from my EzUHF receiver. I was informed that I need a digital to analogue RSSI converter and I get this:
    http://www.sishobby.com/en/electroni...for-ezuhf.html

    I mapped my CH8 to emmit RSSI and I connected everything as it shoud be. I tried all 4 possible options of the SYSLASBS RSSI converter but when I put the MAX and the MIN values in the RSSI settings on the STORM I get two identical values. Of course when I set the MAX my TX is ON and when I set the min value I turn the TX OFF ... anyway I get an identical voltage for the MAX and the MIN value. I will be gratefull for any clues. Thanks!

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