Radiomaster ERS-BA01 Barometric Altitude Sensor

About this product

The RadioMaster 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.

VIDEO: RadioMaster ERS Series Sensor | Telemetry Module for Compatible ExpressLRS PWM Receivers

Features

• Converts barometric pressure measurements into accurate relative altitude data for instant feedback on your radio
• Seamless ExpressLRS integration
• Supports daisy-chain expansion for additional ERS telemetry sensors as your setup grows
• Compact & Lightweight

SENSOR CONFIGURATION & TELEMETRY LOGGING

To configure this sensor and view telemetry on your EdgeTX radio, install the RadioMaster Sensor Configurator LUA. The LUA allows adjustment of sensor settings, enables proper telemetry display, and supports data logging for post-flight review.

Specifications

• Item: ERS-BA01 Barometer Sensor
• Operating voltage: 5–8.4V
• Operating current: 9mA
• Altitude accuracy: ±0.5m
• Temperature range: –10 ℃ to +85 ℃
• Size: 23.5 × 13 × 7mm
• Weight: 3.5g

Links

• ERS-BA01 User Manual
• Download the RadioMaster ERS Sensors Configurator.lua

Includes

• 1x ERS-BA01 Barometric Altitude Sensor
• 3x Heat-Shrinkable Tube
• 1x Manual QR Code Card