8 in1 Throttle Calibration Hub for RC Multirotor ESC Speed Controller Cooling Fan DC 12V 3010 for 3D Printer the MFSTAB 4G is designed the MFSTAB 4G is designed for seamless AFIS integration through standard APIs and protocols including ISO IEC 19794 2 fingerprint image format and NIST NBIS standards Safety First: Multiple built in protection mechanisms ensure safe operation even under fault conditions You could also use the hub if you want to control multiple servos with a single channel just plug the 3 4 6 8 ESC wires into the hub
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