LibrePilot Forum

General Category => General Discussion => Topic started by: nuggetz on May 08, 2016, 07:14:44 am

Title: Bluetooth possible on Revo with GPS and External Mag?
Post by: nuggetz on May 08, 2016, 07:14:44 am

I wanted to test the android app that is being developed as my laptop is too clunky to haul around. Trouble is I have an external GPS/Mag connected and I'm using a PPM reciever. Can I still attach an HC05 BT module to my Revo for bluetooth access? If so, where would I connect the RX/TX/PWR connections to exactly?

Title: Re: Bluetooth possible on Revo with GPS and External Mag?
Post by: Mateusz on May 08, 2016, 07:35:40 am

Best is to attach Bluetooth to OPLink modem. How you power OPLink modem is up to you. I connect Flexi VCC and GND to my Taranis, enable power for external module while I keep using internal one. This powers my OPLlink modem and in turn powers Bluetooth on Main-port. OPlink has to be configured to for telemetry on main-port. Really works great with Android App in the field.

Another option is to use Receiver port (Flexi-IO) which has PPM and Telemetry lines refer to table at https://librepilot.atlassian.net/wiki/display/LPDOC/Revolution+Configuration
But using Bluetooth with OPLink is better as it gives you better range (Connection diagram attached).

Title: Re: Bluetooth possible on Revo with GPS and External Mag?
Post by: nuggetz on May 08, 2016, 08:15:52 am

Interesting. Would have never thought about doing that. Will have to look into it. Thanks for the info.

Title: Re: Bluetooth possible on Revo with GPS and External Mag?
Post by: f5soh on May 08, 2016, 10:14:20 am

You can also connect the Bluetooth module to the flexiIO port (receiver port), there is Tx/Rx pins and you simply need to setup the Receiver port to PPM+Telemetry

https://librepilot.atlassian.net/wiki/display/LPDOC/Revolution+Configuration#RevolutionConfiguration-FlexiIOpinOut/Functions

(https://librepilot.atlassian.net/wiki/download/attachments/7274504/Revo_FlexiIO_telemetry.png)