3DR Radios (225)

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HELP "Failed to enter command mode" error

I just bought the 3DR 433Mhz radio telemetry kit from DIYDrones..   The two boards of the 433Mhz looks same. After I received the kit I sol…

Started by Chandan Roy

9 Apr 21
Reply by Matt Droter

cannot connect 3DR radio to Arduino Uno

Hi, I'm trying to connect the 3DR Radios to my Arduino Uno board to do wireless communication. My first example is a simple echo code which…

Started by Vikrant

1 Apr 18
Reply by Vikrant

Setting up 3DR Radios, APM 2.5, and the Spektrum DX7s

Having some trouble setting up the 3DR Radios and pairing it with the Spektrum DX7s in order to proceed onto the ESC calibration step.  I'v…

Started by Derek M

7 Apr 17
Reply by Derek M

Developer

delay in shipping 433MHz radios due to USB interference problem

Hi All, I just wanted to give everyone who is waiting for a 3DR 433MHz radio a heads up about a shipping delay. A few days ago I discovered…

Started by Andrew Tridgell

60 Apr 15
Reply by Andrew Tridgell

For DIYDRONES's sake Lets unite ! -Mind over matter fellas-

Why is there no sticked topic here that explains the whole 3DR telemetry set in vivid detail ?! .. Something like a " Getting started with…

Started by Ali Mazi

6 Apr 13
Reply by Sgt Ric

No Heartbeat Packets Received

  Buenas tardes muchachos ya tengo avanzada la configuracion de mi Hexa pero tengo problemas para lograr la telemetriame sale el mensaje d…

Started by helirolo

3 Apr 12
Reply by Marcin Krawczyk

Direct TTL serial connection to a *ground* module?

Is it straightforward to hook up a logic-level serial connection to a ground module, as with an air module?

Started by Tom Davies

0 Apr 10

3DR 433Mhz + APM 2 + Ardupilot (Ardutracker) + antenna tracker.

My APM 2 is on and communicates with "HGControl Station - Lite" or "Mission Planer"  via 3DR Radio 433mhz. (com 6, 57600) It works fine;-)…

Started by sebiss07

1 Apr 10
Reply by marcus single

How to tell if antenna is 433mhz or 915mhz?

Hi all, I have had both 433mhz and 915mhz 3dr radios and I'm worried I may be mixing up antennas. They are all the same size and shape, but…

Started by Aaron Curtis

3 Apr 9
Reply by Bill Bonney

Only 1m range with 433Mhz telemetry set REOPENED!

Hi, i just read a topic about this which was closed. I have the same issues, 1 meter range with the 433MHz telemetry and it only connects…

Started by Dean

6 Apr 9
Reply by Dean

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