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Motor
Micro sg90 Servo
PRICE: $2.30    
AVAILABLE.: YES

Micro sg90

quantity:
1
description
Servos are controlled by sending an electrical pulse of variable width, or pulse width modulation (PWM), through the control wire. There is a minimum pulse, a maximum pulse, and a repetition rate. A servo motor can usually only turn 90° in either direction for a total of 180° movement.