New OpenPlotter GPIO app available

[Techstyle]

Have you changed the input resistance to one of a higher value such as 10K? 

Yes, removed the smaller one and replaced with a 10K

The resistans in series with the led should in total be greater than 4k7, otherwise the load will be to heavy for the ST1 network. In the end of this dokument https://github.com/SignalK/signalk-serve...3-software I have put a link to a Python program so you can check the circuit.

I have removed the 470K resistor and replaced it with a 10K meaning both R1 and R2 of the circuit below has 10K resistors

I just got a new Pi 4 today, so just setting up and I will see if it works - Thanks