The FrSky Smart Port Lipo Voltage Sensor plugs into the balance port of your battery pack and allows you to monitor pack voltages while flying. No more guessing about your battery condition.
The Hall RPM ADV sensor can be used to measure rotational speed. When connected directly to a receiver with the S.Port/FBUS port, telemetry data can be transmitted and read by compatible radios. Alternatively, when the sensor is switched to PWM mode, it can pass the rotation data through to a device port that supports RPM calculation.
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