I have the same problame. On R147, the RFID reading is stable. If I use newer versions of espeasy the "reset-bits" are not maches.

Hi All, I have a Maxbotix MB 7589 sonar distance sensor. I would like to use it for mesure water level in my rainwater tank. It has very accurate mesure on the serial TTL output. The output is an ASCII capital “R”, followed by four ASCII character digits representing the range in millimeters, follow...