I have managed to get it working again by uninstalling the Arduino Mega 2560 windows driver in the windows device manager.
Reinstalled the arduino board.
Restart the RFLink loader and upload/install the RFLink.cpp.hex file.
After that it was up and running again.

Bij het (her)programmeren van mijn bordje krijg ik de volgende melding: Debug mode activated ------------------------------ Programming Arduino: Port COM4 Filename G:\Downloads\RFLink_v1.1_r48\RFLink.cpp.hex ------------------------------ Serial port test: Serial port ok Serial port test done param:...

Thanks, I will test it.

where can i put the script

I have installed ESP_Easy_mega_20211224_normal_ESP8266_4M1M Dec 24 2021 on my wemos d1 mini. I have set a sleep mode 300 sec sleep 10 awake. I use it as weather station with 5 sensors and send it to domoticz. I see that the wemos not send the data at once in the window of 10 seconds. Is there a sett...