JetiExSensor vs ExBus

Hi Sepp62/Bernd Wokoeck,

I've been following your work and am a happy user of JetiExSensor on teensy on an RSAT2 RX. Now I've seen your new TxJetiEx and JetiExBus libraries, and I wonder what the purpose of each of these separate/new libraries is. Is there a forum or website with more info?
It seems to me that

TxJetiEx can decode the telemetry output port of a Jeti TX, so it can be passed on to another ground station
JetiExBus is a full ExBus implementation for sending of telemetry from µC, and reading channel values from Jeti RX.
JetiExSensor sends telemetry to a jeti RX with the 9-bit protocol.

Is this right? If so, what is the difference between the JetiExSensor and JetiExBus?

(Feel free to contact me at "geertfolkertsma" at google's mail service if you don't want to pollute github issues with this discussion.)