We have written a simple library to transmit Data from the Model to the transmitter via the HoTT protocol of Graupner. In general its very simple. First attach the a Microcontroller to a UART port. This could also be a Soft UART. The TX pin is detached from the telemetry pin via a Shotkey Diode. I would not recommend a resistor, because then the whole time a current will flow into the µC and the receiver will be stressed.See small circuit diagramm. Then upload the programm to the controller. Then fill all Variables as desired.
In Transmitter go to:
Telemetrie --> Set and Display --> Telemetry on Pin(Whatever pin your receiver uses) --> Yes
Go back to the Main menue and try to hit the up button, now all sensors you startet should appear.
TEXT Mode:
For text mode its nearly the same. But to switch to the Text mode in a MZ-12 go to:
Telemetrie --> Set and Display
no press < and > to show the selected Sensor for Textmode. By pressing it more than once you can toggle through the sensors. In Textmode you can build you own menues.
Many thanks to Graupner
