RadioMaster ERS-BA01 - Precision Barometric Altitude Sensor for ExpressLRS SystemsThe ERS BA01 Barometer Sensor provides accurate, real time altitude data for compatible ExpressLRS receivers. By capturing barometric pressure and converting it into precise relative altitude information, the ERS BA01 delivers reliable telemetry back to your EdgeTX radio. This sensor provides clear, responsive altitude monitoring. As part of the ERS sensor family, the ERS BA01 also supports pass through expansion, allowing easy daisy chaining with