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VCC: Input voltage (3 : 9v)
This module comes with AT commands firmware which allows you to get functionality like arduino wifi shield
Optical (Infrared) Motor Encoder inexpensive Infrared based Speed Sensor
The position is kept track of relative to the position that the shaft was in when the controller is first powered on
Metal Servo Horn (Round) PH meter VCC: Input voltage (3 :Introduction : Metal Servo Horn (Round) Disc Type Metal Horns for 25T Servo. Features : Color: Silver. Servo disc diameter: 20mm. Teeth : 25T Mounting Hole Spacing: 14mm. Servo disc diameter: 20mm.
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