Hello,
Yes, FMB125 RS232/RS485 supports 5V voltage from the Arduino.
Reference: FMB125 General description - Wiki Knowledge Base | Teltonika GPS
Data will be transferred in HEX and you need to convert to ASCII if you have to use the TCP/UDP binary mode.
Sometimes the parsing depends on the protocol of the sensor.
Other details that you ask is all about the backend you can try to use www.flespi.io for testing your device or POC.
If you want to support MQTT we support AWS and AZURE platform.
Wiki pages below:
- Getting Started with AWS IoT Core - Wiki Knowledge Base | Teltonika GPS
- Getting started with Azure IoT hub - Wiki Knowledge Base | Teltonika GPS
For more information kindly contact your sales manager or create an HD ticket.
If you don’t have any contact with our Sales managers, please contact them on our official website https://teltonika-gps.com/ and click on the “Contact Us” button. When you click, please fill out the form and submit it.
Best Regards
Manard C