Todd Martin
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Neo M8N and Pixhawk, No GPS fix

Started this discussion. Last reply by Jim Haliburton Feb 17, 2017. 27 Replies

Good afternoon everyone. I recently finished my 3D-Printed X4 frame, and have installed all required (Pixhawk) electronics. Everything is working great, and I have done a successful test flight;…Continue

 

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Jim Haliburton replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"That is a counterfeit ublox part.  That is a Chinese knock off.  You have been cheated.  The way to tell is quite simple. Each ublox chip has a unique serial number.  Every ONE!  The smart tag on the ublox chip that you have…"
Feb 17, 2017
Jay replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"I've got the exact same issue-- it's not a bad GPS-- I took my m8n and connected it to an APM and it worked fine. If I rearrange the wires going into the Pixhack, I get "no gps" in Mission Planner - if I get the wires connected…"
Jun 15, 2016
Todd Martin replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"The u-Blox support team is extremely helpful.I would send them an image of your board, and they will be able to distinguish if it's a genuin u-Blox."
Apr 10, 2016
Marc Dornan replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"I would like to know how to tell a fake from a genuine Ublox M8. Anyone have any pointers?"
Apr 10, 2016
Micha replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"Well, if on a sunny day you get 10+ satellites and a hdop close to 1.0 they are real."
Apr 10, 2016
Rob Dunbar replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"How were you and Ublox able to determine it was a fake? I've got a bunch of the cheap M8N's and I'm wondering if they are fake."
Apr 10, 2016
Todd Martin replied to Justin M's discussion I'm ready to drop 3DR, go with DJI in the group IRIS
"Justin,I'm unsure reading through the thread if you have decided on a new multi-rotor yet. Here's my take;I'm a UAV instructor, and the company I'm currently working for uses Phantoms for students on the flight line.. I,…"
Apr 8, 2016
Micha replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"Good to hear that it is working for you :)"
Apr 8, 2016
Francisco K replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"I find the 3DR Ublox GPS units quite reliable. I've owned 3 so far and no issues."
Apr 7, 2016
Todd Martin replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"Altitude Hold is now working properly on my current frame. I added a vibration mount, and elevated the Pixhawk to be above the prop-wash and so far there's no issues."
Apr 6, 2016
Todd Martin replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"Rob, I used the Pixhawk Controller as a way to access the GPS in u-Center. According to u-Blox, this isn't the best way to do so, but it should still provide data.I got off the phone earlier today, for a second time, with u-Blox support. It…"
Apr 6, 2016
Rob Dunbar replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"Looking at your pictures the wires appear to be correct. The yellow RX from gps is going to TX on pixhawk and TX from GPS is going to RX on Pixhawk. The other thing you might do with an ohm meter is check that the wires aren't broken somewhere.…"
Apr 6, 2016
Todd Martin replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"I figured having the Pixhawk with a shock mount inside the frame will rule out any issues."
Apr 6, 2016
Micha replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"Nice work, i love it. Prop wash is definitely one of the factors. That is why i always put a bit of foam on the baro. This really helps to stabilize the baro readout. Google pixhawk baro foam for more info. "
Apr 6, 2016
Todd Martin replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"You know, I've been looking it up a bit. It could be a few variables such as prop wash. I also have to open up the board and check to ensure nothing is blocking it. I'm just about finished with my scratch built carbon fiber frame. Itching…"
Apr 6, 2016
Micha replied to Todd Martin's discussion Neo M8N and Pixhawk, No GPS fix
"If it bounced up and down, the baro is working. Check if there is foam on the baro. When you have done this go to copter pids and play with altitude P pid until you have a satisfactory result. "
Apr 6, 2016

Profile Information

About Me:
Multi-Rotor Instructor, Private (Aircraft) Pilot, Hang-Glider and Para-Glider Pilot.
Please tell us a bit about your UAV interest
I'm currently employed with Drone University USA, which focuses on both the FAA and Flight aspects of the UAV world.
Hometown:
Folsom, California

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