I am looking for an Android app to switch the digital outputs to the fast (single button) and other functions of the FMM130 tracker, e.g. position query, status, etc. If possible via a GPRS connection and / or via SMS. Among other things, it would make sense to switch auxiliary heating and alarm systems via a shortcut. The "detour" via web application works is just a bit cumbersome.
For this I built a relay block with control LEDs for 3 relays, which already works