Freematics Forum

Hi Stanley,
I have loaded gpstest-Sketch and test GPS. On Serialmonitor only prints
"Firmware Version 11
Init GPS..."
The blue LED from GPS Receiver flash one more per Sekond and Freematics V4 blue LED flashes more frequently.
No GPS Data in the Serialmonitor!

Hi Stanley Why is only data recorded on the SD when a terminal session is running via USB? Without a terminal session, the blue LED flashes, but no file is written to the SD. For the test, I have the Freematics plugged into the OBD socket in the car and run a terminal session on a Windows PC via COM...

Hi Stanley, Unfortunately, I have not had good experiences with the Freematics ONE. As you recommended I monitored the stick via USB at the terminal. I have made several promising attempts. Here the first attempt without GPS plugged only to OBD socket and parallel the terminal session via USB: Freem...

How can i test serial output?

Hi Stanley,
My vehicle supports ISO14230-4, which corresponds to KWP2000.
According to Freematics' OBD-II Compatibility, KWP2000 Fast is supported.

I have a problem with Datalogger. I compiled and uploaded the datalogger sketch with Freematics Arduino Builder. Unfortunately, no data file is written on the 8GB MicroSD when I plug in the FreematicsONE on the OBD including the GPS add-on and a short drive. The blue LED will initially flash several...