Just an update on the 127x modules. I mentioned 2 of them: The cheaper "127x module": and the "RA-02" model including .10 pitch breakout board...

@inst-tech Interesting. I once worked as an instrumentation tech so mentioning PID brings back a lot of memories.

@inst-Tech Sorry for such a long wait in replying. I stopped pursuing my attempts to get the RYLR890 working, as I found using SX127x breakout mod...

@binaryrhyme I started becoming interested when trying to solve a problem of getting cellular signal in a remote area, as well as improving wifi conne...

@inst-tech I won't have time to check it out until Sunday... at the earliest.

@inst-tech Thank you Louis. The last schematic, can you tell me where you found that? Or did you do it yourself?

@inst-tech Thanks for the reply. Per instruction on the tutorial, I reversed the Tx/Rx connections on the Arduino (now Tx on Arduino to Tx on transc...

Update: I have attempted to communicate with the RYLR896 using AT commands per this video tutorial: I get no responses. I reversed the Tx/Rx c...