Labview works fine, but I don't get a blue light to indicate GPS lock, and of course no data.
I ordered the GPS from DIY and asked for it to be programmed for ardupilot.
I am using the lead that I had with my old 406.
I simply plugged the GPS to the mini board and connected the lead to the IMU.
What am I missing?
Oh, and yes I was outside when trying to get a lock.
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Just found this forum topic after having some troubles with GPS Lock on ArduIMU 1.8.2 + Ublox GPS.
Filed a report here: http://code.google.com/p/ardu-imu/wiki/Troubleshooting
Hopefully I'll get more time tonight to read this topic and get a fix on our GPS.
My working theory here is based on Jordi's post that the antenna on the ublox5 needs to be "well powered" to work correctly. I know that heat can cause power regulators to under perform. So my theory is that an accumulation of heat can cause the voltage regulator to lose efficiency and not deliver enough power for the antenna to work optimally. So the end result of heat can be very similar to the end result of not having enough charge on your battery ... and this can appear as either no satellite reception at all or very sucky satellite reception depending on the level of power degradation. The gps processor engine can run at 3.3v, so it will still happily talk to you and report empty messages.
There could very well be multiple issues floating around and different people could be encountering different things. Certainly if you don't secure the interface board some how, it is very flimsy and floppy and will cause you no end to problems. But once it is robustly secured .... then there are problems with satellite reception if your unit isn't "well powered" which I take to mean don't let your battery voltage drop much below 5v or you will start to see reduced performance.
Just blabbering here, but I'm 99.999% sure my issues are not simple connectivity problems, because the gps talks the whole time and generates binary messages, it just doesn't see satellites which (in my mind) points more towards an issue of the antenna not being quite "well powered" enough ...
The other day it was 30deg here (un heard of!!) adn mine was mucking about a little, not quite as bad as you are explaining..but was only seeing 4 sats....but it was raving hot (for the UK) and in side a foam airframe!
Mike.
Do I have a faulty GPS?
Ublox 2.jpg
I am new on the forum and I speak English very bad. I also have the same problem as Wilsonj, my Ublox does not lock when it is connected to the arduimu, while with U center it works very well: baudrate: 38400 config Ublox: ublox5_FW_6.02_LEA-5H and config arduimu: pack V15...
U-center.jpg
I'm having a similar problem, I can't get a GPS lock.
I have a Ublox LEA-5H GPS, which I have updated the firmware to 6.02. I followed the tutorial by the letter and have left the GPS connected to the U-Center, the GPS looks like it is communicating OK by watching the Binary display. I've left the GPS outside with the laptop for over 30 minutes, but still no fix.
Am I missing something?
This is the display I'm getting in U-Center.
Hope you get lock! Mine works a treat.
I discovered that the GPS was running at 9600 though.So I flashed the firmware, installed the config for ardupilot and now I get a connection at 38400. All sees good. Now I have to see if I can get a lock outside.
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