3DR Radios (496)

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Help to use 2W alternative telemetry 433MHz

Hi, I have found a 2w telemetry with rs232 interface for about 55$ from aliexpress. This is the datasheet (board name: SNR 6202) . I bought…

Started by Silvio

3 3 hours ago
Reply by Silvio

3dr iris + no battery status on the controller

Hi All- I just bought my 3dr iris plus last week and ready to fly it. I did the firmware update and calibration . I noticed that in my cont…

Started by Chopok Loks

2 yesterday
Reply by Chopok Loks

Kickstarter long range hd fpv and telemetry - too good to be true?

Came across this project on kickstarter. https://www.kickstarter.com/projects/794458221/long-range-hd-fpv-telemetry-over-wifi I find it a…

Started by Kelvin Tan

13 on Monday
Reply by Andre K.

No Flight Data On Iris+ RC Controller

I just received the new iris+ and am currently able to fly it with the RC controller but when I hold down the "DN" button on the controller…

Started by Mark Sakaguchi

9 on Monday
Reply by Chopok Loks

Is 3DR 433mz telemetry safe ?

Hello guys, As I do not know much about communication protocols, this is maybe a basic question... For a classic Futaba 2.4ghz remote contr…

Started by Drone-University.com

6 on Saturday
Reply by Andre K.

Multiple radios on the same network ID

Do the 3DR radios support having more than two modules communicating together? Specifically the simplest possible case of having two (2) un…

Started by Helldesk

12 Jan 22
Reply by Pete

3dr radio connection problems

I am having trouble connecting to mavlink via 915 mhz radios.  I can load the firmware versions(1.9 ground and 1.7 air) as well as the othe…

Started by Kelly Ness

1 Jan 22
Reply by Marcin Krawczyk

Cannot open serial port problem with 3DR telemetry

Hello "Cannot open serial port. Please make sure you have your radio connected and the correct link selected" This is the message that PM…

Started by uFelipe Pelayo

20 Jan 21

HM-TRP modules, start from the beginning

I just bought a couple of  HM-TRP 868GHz Hope modules and I would like to make a telemetry system. I have been loking for the information i…

Started by Alberto Cristóbal Granda

26 Jan 21
Reply by Marcin Krawczyk

APM 2.6 telementry not connecting

both ground and remote device yellow LED blinking and not connecting please check the image

Started by LittleDragon

4 Jan 19
Reply by LittleDragon


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