Using 3 pin connector, 2.54mm pin spacing, pin function description:
+: Positive power, usually +5 v, cable color is red.
-: Negative power, that is GND, cable color is black or gray-black.
Signal: signal lines, cable color is white.
UltraPWM Communication Protocol:
Tp: The control cycle is 2ms(500Hz). Low Level Output Voltage when no control signal.
Ts: Start pulse width is 200us, the brushless motor can not be start if pulse width less than 200us.
Te: Termination pulse width is 1200us, pulse width greater than 1200us is considered as the maximum motor output power, UltraPWM works from 200us to 1200us.
V: 2.7v< voltage < 6v
Resolution: 1us, Te-Ts = 1000us, 1000 control level.
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