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EF90D is a kind of 360 deg analog servo. It is light and portable, a little bigger than 5 cent coin. It works at 3V voltage and uses pulse width to adjust...
EF90D is a kind of 360 deg analog servo. It is light and portable, a little bigger than 5 cent coin. It works at 3V voltage and uses pulse width to adjust speed of the servo rotation, which also can be used to make small robot modules, mechanical arm modules and intelligent car modules.
Parameters
Product SKU: EF09081
Operating Voltage: 3.0V-5.5V
Output Torque: 1.6KG/CM
Speciality: Speed of the servo is adjusted by pulse width; 3V for micro:bit
Operating Temperature: -30°C~+60°C
Materials: Plastic gears and plastic shell
Other Components: Fixed screws, multifunction Steering wheel.
Type: EF90D
Rotation Angle: 360°
Dead Band Width: 5us
Plug Type: Common JR/FUTABA
Servo Type: Digital servo
Jargon buster
Plain-language definitions for the technical terms used above.
servo
A servo is a motor with built-in position control, usually told to move to a specific angle by a control signal. It matters when you need repeatable movement, such as steering, arms, flaps, or linkages, rather than continuous spinning.
Torque
A twisting force that causes something to rotate, usually measured in newton-metres or kilogram-centimetres. It matters when choosing motors, servos, gears, and tools because higher torque is needed to lift heavier loads, turn larger wheels, or move mechanisms without stalling.
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