Take bno off
What teensy firmware you using?
For ksxt the ino needs altering to allow ksxt to pass through
The BNO can be left on the board but I would recommend to remove it as del_boy says. The firmware from Chris works for me (hydraulic valve and no CAN). Remember the passthrough …
Was the last firmware for teensy not made with um982 capability?
Don’t recall, I went to Chris firmware when I started fiddle with ksxt. Had to change the code to get the extra communication memory buffer to compile.
In the INO file, add a log for printing the incoming data from the GPS. I’m having similar issues on some UM982, but when I add the log to the code i can actually see that there is data coming from the UM.
No solution yet though..
Is the UM982 now generally the default recommendation for a dual setup going forward? I am setting up a new tractor towing a spray cart and would like to use a dual setup to help with the uturns. I already have one fp9 for it I was wondering if I would be better to buy a second one or get the UM982 and use the spare fp9 in a dual setup on another tractor. Is the firmware linked in this post still the recommended one to use?
Here in the UK the um982 doesn’t work very well as dual
If you go under a tree and 1 antenna gets shaded it does all sorts of silly things which makes it unusable on any sort of headland work with over hanging trees
If your in big open fiends you’ll be fine.
It preforms and steers well in dual mode so no problems there
Ive only tried um982 dual and bynav dual so no idea how it compares to the f9p dual
Hi there, am I right in saying in AgOpenGPS the UM982 setup is different to a F9P dual system. Ive been led to believe that the board itself computes heading and therefore you tell AgopenGPS that it is a single antenna? Perhaps that is totally incorrect but if anyone has experience please let me know.
No you select dual antenna for the um982 aswell
1 Like
Hello everyone, sorry for the newbe question, but all of this is a bit confusing. I’m trying to install my AOG system, as a lightbar for now. To that end, I designed my own PCB, which corresponds to what I need for the chosen tablet (no Ethernet, 12V charging through USB-C).
The schematic is largely inspired by the AIO 4.5 board : The Teensy communicates with the GPS via its UART7, the UM982 use UART2
For the Teensy I use the AiO_v4_firmware.
For the UM982 i’m using the ConfigOmatic dual configuration modified to use COM 2 as GPS out instead of COM 1
UDP communication between the Teensy and AOG is good. I am receiving GPS and IMU data.
But RTK correction (Ntrip) doesn’t work…
I know my RTK setup is good; it works with a F9p in single mode.
So, what is the correct firmware for the Teensy to work with a UM982?
And what is the complete configuration required for the UM982 in this configuration (after a FREST) ? There are many examples in this thread, but they are all slightly different. In the end, we don’t know which one is the right one?
Thanks in advance
(Shematic on request : No steering control at all, but 3 CAN buses. I plan to eventually use it with a Keya motor).
I cant remember but one of the teensy pins is for rtk corrections i think so maybe start there if your sure you have internet and connecting to a working base
Had an issue when i couldn’t get rtk on one setup, turned out one of the serial pins on the teensy had died. Everything else was working perfect except no rtk
Why you usung the bno and dual?
With “AIO_v4_Firmware_27.04.2025.hex” firmware i get the RTK correction.
Now I need to solve my heading problem : When the tractor goes straight AOG sees it moving sideways like a crab.
My card is designed for single or dual use. That’s why there’s a bno.
I absolutely need this to work by June. My first attempts in dual mode were not at all conclusive. I preferred to plan for both options.
You might need to alter the antenna heading offset in aog imu settings page
Do you have dual selected and right offset?
Check your heading values in both directions, it should be 180 different
How far apart are your antennas
You might have to put 2.5v on your WAS signal to tell AOG the tractor is running straight.
I had that issue with single antenna and bno without WAS, that tractor was going straight but turned on an angle to the Line.
With the correct settings, everything seems to work properly.
Next step: Keya motor…