# No video transmission

**URL:** <https://discuss.cubepilot.org/t/no-video-transmission/2099>\
**Category:** HereLink\
**Created:** [23 October 2019 17:05 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099 "2019-10-23T17:05:10Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![PaulZP](https://discuss.cubepilot.org/letter_avatar_proxy/v4/letter/p/edb3f5/32.png) [@PaulZP](https://discuss.cubepilot.org/u/PaulZP)\
**Post date:** [23 October 2019 17:05 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/1 "2019-10-23T17:05:10Z")

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I connect HERELINK to the pixhawk, data is transmitted, the devices are connected. When connecting an action camera, there is no video transmission.  
What could be the problem?

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**Author:** ![philip](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/philip/32/9035_2.png) [@philip](https://discuss.cubepilot.org/u/philip)\
**Post date:** [23 October 2019 18:11 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/2 "2019-10-23T18:11:42Z")

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Many of the cheap gopro knockoffs don’t work, have a look at the list of supported cameras that people have compiled here.

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**Author:** ![MadRC](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/madrc/32/2088_2.png) [@MadRC](https://discuss.cubepilot.org/u/MadRC)\
**Post date:** [23 October 2019 21:24 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/3 "2019-10-23T21:24:01Z")

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As Philip says many of these cheaper action cameras don’t actually output HDMI as per the spec even though they are fitted with what looks to be a micro HDMI port. Try a GoPro.

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**Author:** ![Davidboulanger](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/davidboulanger/32/1040_2.png) [@Davidboulanger](https://discuss.cubepilot.org/u/Davidboulanger)\
**Post date:** [23 October 2019 21:25 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/4 "2019-10-23T21:25:27Z")

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Most likely the camera. I tried an Ekan and it worked for a few minutes and then the HDMI stopped working. Gopro has worked flawlessly.

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**Author:** ![PaulZP](https://discuss.cubepilot.org/letter_avatar_proxy/v4/letter/p/edb3f5/32.png) [@PaulZP](https://discuss.cubepilot.org/u/PaulZP)\
**Post date:** [24 October 2019 18:15 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/5 "2019-10-24T18:15:23Z")

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Thank you for the answers, the issue was resolved by replacing the camera.

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**Author:** ![PaulZP](https://discuss.cubepilot.org/letter_avatar_proxy/v4/letter/p/edb3f5/32.png) [@PaulZP](https://discuss.cubepilot.org/u/PaulZP)\
**Post date:** [12 December 2019 06:40 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/6 "2019-12-12T06:40:57Z")

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Thanks to the developers for the excellent product and support. Herelink is perfectly tuned and works on a self-made gimbal for dji matrice 210.

 ![IMG_20191026_181245](https://discuss.cubepilot.org/uploads/default/original/2X/b/b6b590ac959ef2baa4c4cae6b8162402a0d763c4.jpeg)

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**Author:** ![philip](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/philip/32/9035_2.png) [@philip](https://discuss.cubepilot.org/u/philip)\
**Post date:** [2 April 2020 22:11 UTC](https://discuss.cubepilot.org/t/no-video-transmission/2099/7 "2020-04-02T22:11:07Z")

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Other than the DJI bit, that’s awesome 🙂