The Eagle Tree Brushless Motor RPM Sensor V2 works with your Data Recorder/eLogger to measure RPM via pulses from any two of the wires leading from your Electronic Speed Controller (ESC) to your motor.
The Eagle Tree Brushless Motor RPM Sensor V2 works with your Data Recorder/eLogger to measure RPM via pulses from any two of the wires leading from your Electronic Speed Controller (ESC) to your motor. The sensor works with all known brushless motors only, it does not work with a brushed motor.