Seppo
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  • Brisbane, QLD
  • Australia
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Seppo's Discussions

Drones to become target practise for Australian farmers !

Started this discussion. Last reply by Greg Fletcher Mar 31, 2013. 1 Reply

Ran across an interesting thread discussing the proposed use of UAVs for cattle monitoring.I imagine it'd sure get expensive quick !    …Continue

RFD900, RFD900+ - New long range radio modem

Started this discussion. Last reply by Henri yesterday. 758 Replies

Hi All,I would like to introduce you to a new radio modem that we developed for very long range datalinks!http://rfdesign.com.au/RFD900.phpSome of the…Continue

No GPS Altitude update on arduplane 2.27a / apmplanner 1.1.13

Started this discussion. Last reply by Seppo Jan 2, 2012. 2 Replies

Ran into some strangeness with the GPS altitude on the latest firmware.On initial bootup, GPS gets a 3D fix, and the altitude is correct on apmplanner.Taking off and flying, the altitude remains…Continue

Throttle weirdness on arduplane 2.26/ apmplanner 1.1.2 vs. normal on 2.24/1.0.88

Started this discussion. Last reply by Don Brooks Dec 9, 2011. 3 Replies

Gday,Things are fine with the old combination of arduplane 2.24/ APM planner 1.0.88With arduplane 2.26/ apmplanner 1.1.1 or .2, I can't get throttle settings to work.Have gone through…Continue

 

Seppo's Page

Latest Activity

Henri replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
yesterday
lanzo replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Correct I have RFD900+ Do you calibrate the rssi for mission planner? I see 100% or 99% all the time just before it loose connection"
Tuesday
Lyn Rees replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Roger. Looks like Lanzo may be using the RFD900+ as that has the V1.xx firmware available. only a guess here mind you! Paul. Can you elaborate here RFD433? or am I missing something!"
Tuesday
Paul Clark replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"433 would be the best choice."
Tuesday
Roger Ronald replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Ianzo, I'm running 2.61. Since you're running a way different number, I suspect you have something other than the RFD900x. Most of the RFD FW updates are to add features. Unless you need a new feature in the new version, I wouldn't…"
Dec 6
lanzo replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Dear Ronald I have set at 20 dBm the 2 radios and now the extension cable works, I have a cheap USB meter and if it's precise it is measuring 5.14 V 0.12 A 0.643 W. The drone radio is powered by a Turnigy 5V BEC and it was at 24 dBm because…"
Dec 6
Roger Ronald replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"If you have the power on the radio set to a value that's high enough (+30dbm), you're probably exceeding the amount that USB is supposed to supply. USB 1 and USB 2 supply half an amp. USB 3 supplies .9. The RFD 900x can draw one amp peak.…"
Dec 5
lanzo replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I want to use an USB extension before the FTDI cable to put the radio longer and over a pole, but it seems it gets low power and turn on and off continuosly, the extension is active (there is a circuit on the end) and it works with standard 3DR…"
Dec 5
ming.lv replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I have issue in connecting the rdf900x radio as relay with asynchronous firmware  as of now i have made the setup in the following way Node 1: ATS10 = 1, ATS11 =3 // set node 1, destination 3 Node 3: ATS10 = 3, ATS11 =1 // set node 3,…"
Nov 23
jlcortex replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Some one using RDF868x??? We are trying to install one of them, and we are having serious problems with GPS. This does not even do 3D fix.  It lost almost all satelites when we switch on the RFD868 We have tested RFD900 in the past and not…"
Sep 13
Henri replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"900+ and 900X are not compatible. I do have multiple pairs of each. The biggest advantage of the 900X is its fast processor which let ECC work without any lag. Cheers Henri"
Aug 31
Edward Sellars replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I have one 900+ unit and one 900x. I cant get the 900x to talk to my 900+. I've tried all sorts of firwares, etc? Can anyone help or are they simply not compatible? The newest 2 900x firmwares say they will not work with older versions of the…"
Aug 30
Roger Ronald replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Thought I should update the thread on selecting between a primary and backup radio PPM stream. I actually built the hardware to use the RFD900X's link status and another GPIO pin as switch inputs. However, link status is a 1 second square wave…"
Jul 2
Joe Street replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I have been using MP SiK 2.4 for some time now on a project with multiple sensor nodes on a mesh network.  Now I would like to conserve battery power by having the sensors go to sleep and periodically wake up, sniff the network for packets and…"
Jun 26
kent Martin replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Roger, I sent a friend request. Please send me your email, and I'll send it to you. Thanks, Kent"
Jun 23
Roger Ronald replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Kent, This is excellent news. However..... Where can I download 2.61? The web site (http://files.rfdesign.com.au/firmware/) has 2.55, 2.53, and 2.60 as point-to-point firmware downloads. No 2.61. I'm running 2.60 and I get this from…"
Jun 22

Profile Information

About Me:
Engineer, Pilot, General Geek and interested in anything electronics, flying and any random cool thing of the moment
Please tell us a bit about your UAV interest
Variable pitch quadcopters, UAVs for the outback challenge
Hometown:
Brisbane

Comment Wall (1 comment)

At 12:44am on December 29, 2013, mParets said…

Hi. I'm struggling in an attempt to get a pair of RDF900 modems talking to each other. When installed on a Raspberry Pi via USB and seems to work find (responds to +++ to enter AT command mode). When installed on my Windows 8 laptop I get nothing. The status light flashes, I get a red flash when I transmit a key press (testing with Pythons Miniterm). I even down graded Usb driver to the .28 version as suggestion in forum post. No luck on any front get a response on the pc, and no suggestion that the two modems are connecting.

Is there a fix for any known issues with Windows 8?

Is there is tutorial/primmer/testing document? Something that I could follow to make sure I am setting everything up right?

Any suggestions would help.

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