A system may include a bearing cylinder that has a bored hole for receiving a drive shaft. The bored hole can correspond to an eccentric inner diameter of the bearing cylinder. A radio frequency identification (RFID) tag may be positioned on a piston that may be slideably coupled to a housing of a bottom hole assembly. A motor may be positioned within the housing of the bottom hole assembly to rotate the bearing cylinder and position the drive shaft at a bend angle. An RFID reader may be coupled to the housing of the bottom hole assembly to detect the RFID tag in response to the RFID tag being in a detectable range of the RFID reader and to transmit information about the RFID tag to control the motor.